The top-grossing apps are all running in-app advertising. What separates them from most publishers is not the ad networks they use. It is the decisions they made about format, timing, and who to show an ad to in the first place.

Candy Crush has 180 million monthly players. Most have never spent a dollar. Wordscapes generates roughly $226,000 per day from a word puzzle game. Duolingo converts free users through streak psychology, not banner ads. These are not lucky outcomes. They are the result of treating ad placement as a product decision.

Across 19 of the highest-grossing ad-supported apps in four categories, here is what that looks like in practice.

How the Highest-Grossing Apps Monetize

19 apps across 4 categories — revenue, model, and the one lesson that transfers

Ads-primary IAP-primary Subscription-primary Hybrid

#	App	Revenue	Key Lesson
Casual & Hypercasual Games
1	Candy Crush SagaHybrid	$1B+ /yr	Segment spenders from non-spenders, then monetize each group differently.
2	Coin MasterHybrid	$430M /yr	Frame the ad as a gift, not a gate. Goodwill converts better than friction.
3	WordscapesAds-primary	~$82M /yr	Context matters more than format. The right moment drives CPM up.
4	Subway SurfersAds-primary	$120M+ /yr	Hard daily caps on rewarded ads protect eCPM. More impressions is not always more revenue.
5	Royal MatchIAP-primary	$915M /yr	Know what your players will pay for before defaulting to ads.
Mid-Core & Strategy Games
6	PUBG MobileHybrid	$824M /yr	Fairness is a monetization strategy. Never sell gameplay advantage.
7	Monopoly GO!Hybrid	$770M /yr	Events are monetization infrastructure. More return visits = more spend windows.
8	Last War: SurvivalIAP-primary	$1B /yr	Monetization only works when retention already does. Get the product right first.
9	Whiteout SurvivalIAP-primary	$941M /yr	Same mechanic performs differently per market. Global reach needs local logic.
10	Free FireHybrid	$16–20M /mo	In emerging markets, ads are not supplementary. They carry the business.
11	RobloxHybrid	$4.3B projected	Build infrastructure for others’ content, then monetize the attention it generates.
12	Pokémon TCG PocketIAP-primary	$598M in 6 mo	When the wait is attached to something emotionally meaningful, conversion changes.
Lifestyle & Utility Apps
13	DuolingoSubscription	$964M trailing	The best conversion moment is when users most want to avoid losing something.
14	TinderHybrid	$1.94B (2024)	Make the free tier deliberately slow. That gap is where the business lives.
15	MyFitnessPalHybrid	$310M (2023)	First-party behavioral data makes your ad product more valuable than any third-party signal.
16	StravaSubscription	$415M (2025)	Lock the one feature your most engaged users cannot live without. Just that one.
Short-Form & Creator Tools
17	DramaBoxHybrid	$323M (2024)	Game monetization logic works on video content. The cliffhanger is the cooldown timer.
18	CapCutSubscription	$815M (2025)	When your free tool is the default on the dominant platform, free is the acquisition strategy.
19	KwaiAds-primary	+32.7% YoY	Emerging markets need genuine localization, not a translated version of what works elsewhere.

Revenue figures are annual unless noted. Some are estimates based on public filings and industry trackers.

Category 1: Casual and Hypercasual Games

These are free games with massive daily user bases where most players never pay. But non-paying players still generate revenue through ads, and the best casual games are built entirely around that reality.

The formats are not random. Rewarded video, interstitials, and offerwalls are timed to specific moments in the game loop: when a player runs out of lives, finishes a level, or needs one more move to win. Rewarded video in this context drives a 91% completion rate and 43% higher click-through than static banners. The timing is the product.

1. Candy Crush Saga: $1B+ annual / $20B lifetime

Candy Crush has 180 million monthly players. Most have never spent a dollar, and King does not care, because those players are inventory.

Candy Crush segments its users and only shows ads to players it is confident will never convert to in-app purchases. Non-spenders see ads. Spenders see purchase prompts. The two groups never overlap.

How it monetizes:

In-app purchases (primary, ~95% of revenue): Extra lives, boosters, and gold bars at moments of frustration.
Rewarded video: Players watch 30 to 60-second ads in exchange for boosters or gold bars. Opt-in, clearly framed.
Interstitials: Run between levels in spin-off versions at natural pauses, never mid-action.
Seasonal events: The All Stars tournament in April 2025 pulled 15 million participants and $108M in IAP revenue in a single month.

What publishers can take from this: Segmenting spenders from non-spenders before placing a single ad unit changes everything about yield. The same user base generates more total revenue when monetized differently by segment than when treated uniformly.

2. Coin Master: $430M annual / $6B+ lifetime

The entire core loop runs on spinning a virtual slot. When spins run out, players either wait, pay, or watch an ad.

How it monetizes:

IAP (primary): Spin bundles from $1.99 to $99.99, driven by the slot mechanic and social competition.
Rewarded video: Players watch ads to earn extra spins without making it a requirement for progression. The ad is framed as a gift, not a gate.
Rewarded coins: Watching an ad yields 15,000 coins that can also be bought directly, so the ad substitutes a paid purchase and keeps non-spenders in the game longer.
Social loop: Players send spins to friends, attack villages, complete card collections together. The social pressure drives return visits, more ad impressions, and more purchase moments.

What publishers can take from this: When an ad replaces something a user would otherwise have to pay for, it earns goodwill instead of friction. That positioning is a deliberate choice, not a default.

3. Wordscapes: #1 open programmatic app on App Store / ~$82M annual ad revenue

Wordscapes generates approximately $226,000 per day with ads accounting for around 55% of total revenue. The rest comes from IAP, mostly players paying to remove ads or buy hints.

How it monetizes:

Interstitials between levels: Well-timed interstitials appear after a puzzle completes, not mid-solve. The natural pause after finishing a level is the placement.
Rewarded video: Fully optional, always at a player-chosen moment in exchange for currency or hints.
IAP (remove ads + hints): Players who dislike ads can pay to remove them, converting ad friction directly into purchase revenue.
Programmatic demand via AppLovin MAX: Ad monetization delegated entirely to AppLovin MAX, keeping the product team focused on the game.
LTV growth through live ops: Tournaments and limited-time events lifted player lifetime value by 40% over three years, directly increasing impressions per player.

What publishers can take from this: A calm, low-intensity game can generate serious ad revenue when the placement is right. The context of the moment determines CPM more than the format does.

4. Subway Surfers: 4B+ downloads / ~$120M+ estimated annual revenue (ads dominant)

Subway Surfers serves over a billion ad impressions monthly. Despite that volume, SYBO has consistently chosen to protect player experience over maximizing short-term revenue.

How it monetizes:

Rewarded video (primary): Players earn keys and extra lives by watching ads voluntarily. SYBO caps rewarded ads at 8 per day per user, since the first impression always commands the highest payout.
Interstitials (secondary): Shown only when a player hits the home button after losing a life, a logical pause point with minimal disruption.
IAP removes interstitials: Any in-app purchase permanently removes interstitial ads. A clear path to a cleaner experience that reinforces the value of spending.
Age-based ad segmentation: Players under the legal age in their country are placed in a protected segment, shielding younger users from unsuitable ad content.

What publishers can take from this: Fewer ads, better placed, with hard daily caps. Revenue per user may be lower than more aggressive titles, but revenue per year is higher because the players keep coming back.

5. Royal Match: $915M annual / $4B+ lifetime revenue

Royal Match runs no in-game ads whatsoever. No rewarded video, no interstitials, no banners. Every dollar comes from IAP. It is on this list because of how aggressively it uses ads on the outside to acquire players who then spend on the inside.

How it monetizes:

IAP only (inside the game): Extra moves, boosters, coin bundles, and the Royal Pass. Players who fail a level are offered a continue at a strategically placed moment with a booster that guarantees it helps. Feels fair, not extractive.
Rewarded video for user acquisition (outside the game): Around 54.9% of Royal Match’s ad creatives are rewarded video used to acquire new players across AdMob, Facebook, Unity Ads, and IronSource. The “save King Robert” mini-game format has been widely copied.
Near-miss monetization: Levels are designed to get players close to winning before runs run out. The continue prompt appears at peak frustration.
$78M in single-platform revenue in March 2025. Four years at the top of global grossing charts without a single in-game ad.

What publishers can take from this: Ads are a tool, not a requirement. Know what your players will actually pay for before defaulting to ads as the monetization layer.

Category 2: Mid-Core and Strategy Games

Casual games monetize attention. Mid-core games monetize commitment.

Players in this category build bases, join alliances, and check in multiple times a day. Sessions run longer, emotional stakes are higher, and the gap between a player who pays and one who never will is much clearer. Strategy games alone accounted for nearly $15 billion in IAP revenue in 2025, according to the Global Mobile Gaming App Market Report.

The games that win here have figured out one thing above everything else: when to show an ad and when to leave the player alone. Active gameplay is protected. Downtime between battles, build cycles, and loading screens is inventory.

6. PUBG Mobile: $824M annual / $9B+ lifetime revenue

113 million monthly active users averaging 33 minutes per session. The game solved a problem most mobile titles never do: how to monetize a competitive multiplayer game without breaking the fairness that makes it worth playing.

How it monetizes:

Royale Pass: Monthly battle pass at $5 to $10 with exclusive cosmetic rewards. Players pay for identity, not power.
Cosmetic IAP: Weapon skins, character outfits, vehicle wraps. All visual, none gameplay-affecting.
Loot boxes: Random rewards from virtual crates driving repeat engagement through unpredictable outcomes.
In-game ads: Interstitial and rewarded ads run primarily in emerging markets where IAP conversion is lower.
Esports: The PUBG Mobile Global Championship distributed $3M in prizes in 2024, attracting brand sponsors and driving downloads that convert to IAP.

What publishers can take from this: PUBG Mobile generates over $100M a month without selling a single gameplay advantage. Players spend because the game respects them.

7. Monopoly GO!: $770M annual / $6B lifetime in record time

Monopoly GO! crossed $6 billion in lifetime revenue faster than any mobile game before it. Candy Crush took over a decade to reach the same milestone. Monopoly GO! took two years.

The mechanism is event architecture. Scopely runs limited-time events lasting 24 to 72 hours, rotating continuously. Every event creates urgency. Players are never more than a few hours from something expiring.

How it monetizes:

Dice roll IAP (primary): Six bundle tiers from $1.99 to $99.99. Run out of rolls and you either wait, pay, or watch an ad.
Rewarded video: Players earn extra dice or daily rewards by watching video ads, reportedly requested by players who want more ways to earn without paying.
Sticker album system: Drives daily logins, social sharing, and trading. Completing an album pushes players back into the spend loop.
D2C web store: Players who reach board level 10 get invited to a web store where purchases bypass the 30% app store fee.

What publishers can take from this: Events are monetization infrastructure. The more natural reasons you give players to return, the more organic the revenue becomes.

8. Last War: Survival: $1B annual / $2.6B lifetime

Last War launched in August 2023 with $287,000 in revenue. By February 2025 it had crossed $2 billion lifetime. January 2025 alone generated $212M. The game looks like a casual shooter in its ads. It is actually a 4X strategy game, and that gap was intentional.

How it monetizes:

IAP only (no in-game ads): Last War has no in-game ads. Entry hook is a $0.99 pack with a powerful hero, followed by progressively larger offers timed to game pressure.
Gacha hero system: Randomized hero drops create repeat purchase behavior. UR heroes are withheld from gacha to push direct IAP.
Alliance social pressure: When a player buys an eligible pack, their entire Alliance receives gifts. Visible, collective spending momentum.
Event-driven offer cadence: Recurring urgency windows through limited-time shops and significant event discounts.

What publishers can take from this: The bait-and-switch works when the real product is actually better than the ad suggests. Players who expected a casual shooter found a deeper game and stayed.

9. Whiteout Survival: $941M annual / $3B+ lifetime

Whiteout Survival and Last War launched within months of each other in the same genre. Both crossed $2 billion. The difference is in the data layer: Century Games used real-time player behavior tracking to tailor live ops by geography, spending tier, and player type. The US got alliance competition events. China got festival-themed offers. South Korea and Japan got aspirational hero progression.

How it monetizes:

IAP only: Pure IAP model. Virtual currency, speedups, premium items, and event-exclusive content.
Second builder trial: The game gifts players a free 15-minute second builder, then offers a paid permanent hire. The trial converts by showing value, not describing it.
Custom Chest Offer: Players choose their own rewards from chest bundles. Personalization increases perceived value and purchase likelihood.
Multiple battle passes: Separate passes targeting different play styles, each with its own paying audience.
Playable ads for UA: Playable ads account for over 55% of Whiteout Survival’s total ad placements across 425,000+ creatives.

What publishers can take from this: The same monetization mechanic performs differently in different markets. Global reach requires local monetization logic.

10. Free Fire: $16–20M monthly / $31M peak January 2025

Free Fire is not competing with PUBG Mobile on revenue per user. 130 million monthly active players mostly in India, Southeast Asia, Brazil, and LATAM, where IAP conversion rates are low and ad revenue carries significantly more weight. In India, in-game ads account for 75% of total mobile game revenue.

How it monetizes:

Diamond premium currency (IAP): Diamonds unlock cosmetics, battle pass tiers, and event items. No gameplay advantages sold.
Regional content silos: Each major market runs its own cosmetics, events, and cultural collaborations. The same game feels local to each audience.
Ad revenue (emerging market engine): Indian rewarded video ads complete at 85% against a global average of 63%, and generate 30% higher click-through rates. In markets where players do not pay, they watch.
Elite Pass (battle pass): Accessible price points designed for markets where average IAP transaction values are measured in tens of rupees.

What publishers can take from this: Free Fire chose scale over ARPU. Publishers in emerging markets who build ad infrastructure now, while competitors are still focused on high-ARPU users, are establishing positions that will compound.

11. Roblox: $4.3B projected revenue 2025 / 127M daily active users

Roblox is not a game. It is a platform where other people’s games run, and Roblox takes a cut of everything spent inside them. For context on Roblox’s publisher ranking, see top 25 mobile gaming publishers by revenue.

127 million daily active users averaging 2.7 hours on platform per day. 56% are under 16. Revenue flows through Robux, a virtual currency players buy, spend inside creator-built experiences, and creators convert back to cash at a platform-set rate.

How it monetizes:

Robux currency system: Players buy Robux, spend on avatar items, game passes, and in-experience purchases. Creators receive around 25% of user spend after platform exchange. Roblox keeps the rest.
Creator payouts (and the flywheel): Roblox paid $1.5 billion to creators in 2025. The more creators earn, the more they build, the more players engage, the more Robux gets spent.
Rewarded video ads (in rollout): Roblox launched rewarded video ads in partnership with Google Ad Manager, targeting over $1 billion in ad revenue by 2026.
Regional pricing: Expanded in April 2025 to align with local purchasing power, directly increasing conversion in markets like Brazil (+181% DAU growth) and Southeast Asia (+76%).

What publishers can take from this: Roblox does not make content. It builds infrastructure for other people’s content, then monetizes the attention that content generates. 27 billion engagement hours per quarter is an enormous ad inventory waiting to be activated.

12. Pokémon TCG Pocket: $598M in first six months / $200M in first month alone

Launched October 2024. Highest-grossing mobile card game of all time within a year. Zero in-game ads. Every dollar came from one mechanic: the compulsion to open another pack.

Japan accounts for 42% of revenue despite only 6% of downloads. Japanese players spend roughly seven times more per download than the global average.

How it monetizes:

Pack cooldown loop: Every player gets one free pack every 12 hours. Twice-daily logins, constant background desire for more. Wait or pay.
Pack Hourglasses (premium currency): Players skip the cooldown. Earned slowly through missions or bought directly.
Premium Pass subscription ($9.99/month): Unlocks a third daily pack timer, premium missions, and extra Hourglasses. Better value than buying packs individually.
Wonder Pick: Players browse other users’ recent pack openings and spend Wonder Stamina to pull a random card. Collection becomes a spectator sport.
Zero in-game ads: The Pokémon brand cannot afford to feel cheap. Ads would undercut the premium feel that justifies the pack prices.

What publishers can take from this: When the wait is attached to something emotionally meaningful, the conversion rate changes entirely. The cooldown timer only works because the underlying product is genuinely desirable.

Category 3: Lifestyle and Utility Apps

Games manufacture urgency through timers and events. Utility apps have to earn their place in a daily routine, then find the right moment to convert that routine into revenue.

The four apps in this category did it differently. Duolingo turned language learning into a streak worth protecting. Tinder monetized the desire to be seen first. MyFitnessPal built a nutrition database so large it became irreplaceable. Strava made running social and charged for the competitive layer.

What they share: a free tier that does genuine work, a paid tier that removes friction, and ad revenue that monetizes everyone in between. The inventory is the habit.

13. Duolingo: $964M trailing revenue Q3 2025 / 38% YoY growth

90% of Duolingo’s users pay nothing. The business works anyway because the free experience is designed to be genuinely useful and quietly uncomfortable at the same time. The streak is not gamification. It is the monetization mechanism. The longer a user’s streak, the more willing they are to pay when it is about to break.

How it monetizes:

Super Duolingo subscription (~81% of revenue): $210.7M in subscription revenue in Q2 2025 alone, up 46% YoY. Removes ads, unlocks unlimited hearts, offline access. Priced at $6.99/month or $47.99/year.
Duolingo Max (premium tier): AI-powered features including conversational practice. Positions against expensive tutors, not free apps.
In-app advertising (~7% of revenue): Ads run between lessons for free users at natural break points. 77 million non-subscribing monthly actives generate meaningful aggregate inventory.
IAP, streak freezes and hearts (~5% of revenue): Triggered at moments of near-miss frustration, right when a 100-day streak is about to disappear.
Duolingo English Test ($49 per test): An accredited alternative to TOEFL and IELTS, accepted by thousands of universities.

What publishers can take from this: The best conversion moment is not when the app wants revenue. It is when the user most wants to avoid losing something.

14. Tinder: $1.94B revenue 2024 / $171M peak monthly revenue April 2025

Over 2 billion daily swipes across 60 million monthly active users. The core product is free. But Tinder built an entire economy around one human feeling: the desire to be seen first.

How it monetizes:

Three subscription tiers (primary engine): Tinder Plus, Gold, and Platinum, each unlocking more powerful features. Gold shows who already liked you. Platinum adds priority placement. 9.6 million paid subscribers as of early 2025. The free tier generates the anxiety. The subscription resolves it.
Boosts: A 30-minute window where your profile jumps to the front of the queue. Bought impulsively at peak emotional moments.
Super Likes: Signal stronger interest, reportedly increasing match rates by up to three times.
In-app advertising: Ads appear natively between swipes for free users. 75 million monthly active users spending an average of 35 minutes daily creates substantial inventory.

What publishers can take from this: Every paid feature in Tinder is a shortcut to something a free user already wants but has to compete for. The free tier is not broken. It is deliberately slow.

15. MyFitnessPal: $310M revenue 2023 / 220M registered users

MyFitnessPal did not win on features. It won on data. The app has the largest food nutrition database of any fitness tracker, built over two decades by its own users. Switching to a competitor means rebuilding your personal food history from scratch. Most people will not.

How it monetizes:

Premium subscription ($9.99/month or $49.99/year): Detailed macronutrient analysis, custom meal plans, expert coaching, and ad removal. Converts users who have moved from casual tracking to serious goal-setting.
In-app advertising: Ads appear after logging meals or completing workouts. Targeted to user activity: frequent cardio loggers see running gear, nutrition trackers see supplement ads. The data makes the targeting precise without relying on third-party signals.
Brand and health partnerships: Food businesses, fitness studios, and supplement brands pay to reach users already actively thinking about health and food. The intent signal is unusually strong.

What publishers can take from this: The longer someone uses MyFitnessPal, the harder it is to leave, and the more valuable they are to advertisers. Retention and monetization are the same mechanism.

16. Strava: $415M revenue 2025 / $2.2B valuation / IPO filed

180 million registered users. 4 billion activities completed in 2025. 14 billion kudos given. The free tier tracks everything. The paid tier makes it meaningful, specifically the competitive layer: segment leaderboards were deliberately moved behind the paywall.

How it monetizes:

Premium subscription ($11.99/month or $79.99/year): Advanced analytics, route planning, personalised training plans, and segment leaderboards. Only around 4% of registered users subscribe, but that is enough to generate $415M annually.
Sponsored challenges: Brands like Lululemon and Chipotle sponsor challenges that put their name in front of athletes at peak engagement. Branded challenges increase brand recall by 2x according to Strava’s own research.
Strava Metro (aggregated data): Anonymized movement data sold to city planners and governments to help build safer cycling and running infrastructure.
Acquisitions building the training ecosystem: Strava acquired Runna (personalized run coaching) in April 2025 and The Breakaway (cycling training) in May 2025, now offering a Strava + Runna bundle at $149.99/year.

What publishers can take from this: You do not need to lock everything behind a paywall. Identify which feature your most engaged users cannot live without, and lock that one.

Category 4: Short-Form and Creator Tools

This category does not have a clean monetization playbook yet, which is what makes it worth watching.

DramaBox charges per episode like a vending machine. CapCut is a free editing tool that monetizes through the ecosystem it feeds. Kwai built its ad business on markets everyone else ignored.

All three are dominant in markets where smartphones are the only screen, data is expensive, and content consumption is growing faster than monetization infrastructure. The ad opportunity there is early-stage, which means publishers building now are establishing inventory that will be worth significantly more in three to five years.

17. DramaBox: $323M revenue 2024 / $450M cumulative in-app revenue by March 2025

DramaBox is built on one insight: end every episode on a cliffhanger and make the next one cost coins to unlock. Microdrama apps surpassed Netflix and Disney+ in daily US mobile viewing time in Q4 2025. DramaBox is one of two dominant global platforms in a category that generated $11 billion in 2025.

How it monetizes:

Coin-based pay-per-episode: Each episode costs 10 to 15 coins. Coin packs start at $4.99. First few episodes are free. The paywall appears exactly when the viewer is most hooked. IAP revenue grew 29% quarter-on-quarter to $120M in Q1 2025.
Weekly VIP subscription: $17.99 to $19.99 per week for ad-free access and discounted coins. Weekly billing captures binge periods more effectively than monthly plans.
Rewarded video ads: Watch an ad, earn free coins, unlock the next episode. Monetizes non-payers while nudging others toward direct purchases.
Brand partnerships: Shein and Crocs are beginning to sponsor microdrama productions.

What publishers can take from this: DramaBox applies mobile game monetization logic to video content. The coin system, the cliffhanger placement, the daily reward tasks. The content is the gameplay. The cliffhanger is the cooldown timer.

18. CapCut: $815M revenue 2025 / 300M+ monthly active users

CapCut is not just a video editor. It is ByteDance’s distribution mechanism for TikTok, wrapped in a free tool that 300 million people use monthly to make content that then gets posted to TikTok. Revenue grew from $100M in 2023 to $815M in 2025.

How it monetizes:

CapCut Pro subscription ($19.99/month): Doubled in price from $9.99 in May 2025. Unlocks AI-powered templates, watermark-free exports, and advanced effects.
CapCut Commerce Pro (~$26–30/month): Launched in late 2025, targeting businesses creating ad creatives at scale. Includes commercially licensed music and visual assets cleared for advertising.
In-app purchases: One-time purchases for premium effects, music tracks, and sound packs.
TikTok ecosystem value: CapCut is free because it generates something more valuable than subscription revenue: a constant pipeline of TikTok-ready content. Every video edited in CapCut and posted to TikTok extends TikTok’s content inventory.

What publishers can take from this: CapCut gave away a genuinely good product because the free product served a larger strategic goal. When your tool is the default for creating content on the dominant platform, the free tier is not a cost. It is the acquisition strategy.

19. Kwai: Overseas revenue +32.7% YoY, first profitable quarter Q1 2025 / 60M MAU in Brazil alone

Kwai spent years losing money in emerging markets before figuring out that the playbook that works in China does not work in Brazil, and that Brazil specifically was worth building an entirely different operation for.

60 million monthly active users in Brazil, nearly 30% of the country’s population. Users average over 75 minutes per day on the platform.

How it monetizes:

In-app advertising (primary engine): Overseas ad revenue grew 32.7% YoY in Q1 2025. Full-funnel formats including TopView full-screen placements, interactive ads, AR try-ons, and live commerce integrations.
Live streaming gifts: Fans send virtual gifts during live streams, creators receive revenue after platform commission. Monetizes attention in real time without requiring large user wallets.
Kwai Shop (e-commerce in Brazil): Launched to compete directly with TikTok Shop. E-commerce order volume grew healthily YoY in Q1 2025 while Kwai controlled ROI carefully.
Creator monetization: Kwai pays creators through missions, referrals, and video performance bonuses. Users in Brazil can cash out via Pix. Paying creators to make content keeps inventory high and ad value up.
Cultural sponsorships: Kwai sponsored Flamengo, partnered with Big Brother Brasil, and became the official video partner of Brazil’s men’s basketball team. Distribution mechanisms, not vanity plays.

What publishers can take from this: The 75-minute daily session time in Brazil was not achieved by copying TikTok. It was achieved by eight years of understanding what Brazilian users actually wanted to watch. Emerging markets require genuine localization, not a translated version of a product that works somewhere else.

Patterns Across All Four Categories

A few things repeat too consistently to ignore.

The free tier is the acquisition strategy, not a concession. Every app here has a free product that genuinely works. That is not generosity. It is the top of the funnel.

Ad placement is a product decision. The apps making the most from ads are not showing the most ads. They are showing them at the right moment. Subway Surfers caps rewarded ads at 8 per day deliberately. Disney+ (before it was removed from this article) ran fewer ads and charged higher CPMs for each one. Higher volume with suppressed demand earns less than lower volume with competitive demand. The relationship between ad load and CPM is worth testing, not assuming. See also: in-app bidding vs. waterfall.

Zero in-game ads can be the right call. Royal Match, Last War, Pokémon TCG Pocket, Whiteout Survival. When IAP is engineered precisely enough, ads become unnecessary friction rather than incremental revenue. Know which model fits your product before defaulting to one.

Emerging markets need local monetization logic. Not a translated product. eCPMs, IAP conversion rates, payment infrastructure, and content preferences vary enormously by market. Free Fire, Kwai, and PUBG Mobile all built for that variation. Publishers who build for it early build durable advantages.

Retention and monetization are the same mechanism in the best cases. Duolingo’s streak, Strava’s leaderboards, MyFitnessPal’s data history. When the mechanic that keeps users returning is also the mechanic that converts them, the product stops feeling extractive.

What Publishers Can Take From This

These 19 apps are not models to copy. They are examples of decisions made clearly.

Know which users will pay and which will not, then monetize both differently. Candy Crush segments spenders from non-spenders and serves each group accordingly. Most publishers treat their entire user base the same way.

Find the natural pause in your product and put the ad there. Between levels. After a workout. At the end of a lesson. Every product has moments where the user stops. Map those before placing a single ad unit.

Test your ad load ceiling before assuming more is better. Higher volume with suppressed demand earns less than lower volume with competitive demand. Run the test.

If you operate in India, Southeast Asia, Brazil, or LATAM, build for it specifically. Rewarded video completes at 85% in India. CPMs in these markets are rising. Publishers building ad infrastructure there now are establishing positions that will compound.

Design your subscription trigger around a moment, not a feature list. Duolingo does not convert users by listing what Super Duolingo includes. It converts them at the exact moment a 100-day streak is about to disappear.

If you are evaluating where to start with monetization infrastructure, the guide to app monetization platforms covers the main options.

What These Apps Have That Most Publishers Don’t Yet

The gap between a publisher generating modest ad revenue and one generating serious ad revenue is rarely the ad network. It is the architecture underneath it: format selection, placement timing, floor price strategy, audience segmentation, and free-to-paid conversion design.

AI is now handling parts of ad ops that used to require full-time analysts. The 19 apps in this article solved these problems in different ways, for different audiences, in different markets. But they solved them.

That is the part worth studying.

Running Mobile Ads Without a Dedicated Ops Team? That’s What UndrAds Is For

The publishers and apps on this list have teams dedicated to ad stack management, yield optimization, and eCPM improvement. For studios and app publishers without that infrastructure, the gap is real.

UndrAds is built for mobile publishers who want to compete at a higher level on ad revenue without hiring a full ad ops team. The platform uses AI to automate bid optimization, manage ad network relationships, and maximize yield across your stack so your team stays focused on building the product.

If you are working through your monetization setup, these are good starting points:

In-App Bidding vs. Waterfall: A Guide for App Publishers: understand which setup fits your scale
Best App Monetization Platforms for Publishers: a comparison of major platforms
ironSource vs AppLovin MAX vs AdMob: Which Mediation Stack Delivers Higher eCPM?: side-by-side comparison
AI in Ad Operations: What is AI Really Doing?: how automation is changing the ops layer

Top 19 Apps by Revenue in 2026: How They Monetize with Ads and What Every Publisher Can Learn

Rashmita Behera