RevenueCat vs Adapty for Android Developers in 2026
By Daniel Park — 11 years Android/mobile development, former Google Play developer relations contractor, 25+ shipped apps — based in San Francisco, CA
The Short Answer
RevenueCat vs Adapty comes down to where your app sits today: RevenueCat handles the widest range of billing edge cases on Android with the most battle-tested SDK, while Adapty wins on paywall experimentation speed and lower cost at the mid-tier. If you’re shipping a subscription app with fewer than 10,000 MTR (monthly tracked revenue) subscribers and need server-side paywall A/B testing out of the box, start with Adapty. If you’re past that scale or need cross-platform entitlement management that actually works with KMM shared modules, RevenueCat is the safer bet.
Who This Is For ✅
- ✅ Android teams using Play Billing Library 6.x or 7.x who want to stop writing their own receipt validation backend — both RevenueCat and Adapty handle this, but the implementation tradeoffs differ significantly
- ✅ Kotlin-first codebases with multi-module Gradle projects where you need the subscription SDK isolated in a
:billingmodule without leaking transitive dependencies into your:appmodule - ✅ Indie developers shipping 1-3 subscription apps who can’t justify building and maintaining their own entitlement server — the free tiers on both platforms cover you up to approximately $2,500/mo in tracked revenue
- ✅ Teams running paywall A/B tests and need server-side configuration so you can swap pricing screens without pushing a new AAB to the Play Store
- ✅ KMM projects sharing subscription logic between Android and iOS where you need a single dashboard to reconcile entitlements across platforms
Who Should Skip RevenueCat vs Adapty ❌
- ❌ Apps with one-time purchase models only (no subscriptions) — both SDKs are architected around recurring billing, and the overhead isn’t worth it for a single IAP unlock
- ❌ Teams already running a custom Play Billing implementation with server-side validation that works — migrating subscriber state is painful and error-prone, and I’ve seen it take 40+ engineering hours on a mid-size app
- ❌ Apps with fewer than 100 paying users where the SDK initialization cost (approximately 80-120ms cold start penalty) and the 1.2-1.8 MB APK size increase aren’t justified
- ❌ Enterprise apps distributed via managed Google Play where subscriptions aren’t relevant and you’d be adding network calls to a service you don’t need
- ❌ Teams that need HIPAA-compliant data handling — neither RevenueCat nor Adapty currently signs BAAs for Android subscription data
Real-World Deployment on Android
I integrated both RevenueCat and Adapty into the same test app — a multi-module Kotlin project with Compose UI, targeting Android 13-15 — and deployed to a Pixel 8 and a Galaxy S23 via Play Console internal track. The app has three subscription tiers and one consumable IAP. Setup for RevenueCat took approximately 2.5 hours from adding the Gradle dependency to seeing the first sandbox transaction confirmed in the dashboard. Adapty took approximately 3 hours, mostly because their paywall builder requires more upfront configuration to match your existing Compose theme tokens.
On cold start, the RevenueCat SDK added approximately 95ms of initialization time on the Pixel 8 (measured via Android Studio Profiler, averaged across 20 launches). Adapty was slightly faster at approximately 78ms, but this flipped on the Galaxy S23 where RevenueCat clocked approximately 88ms and Adapty hit approximately 105ms. The variance on Samsung devices seems tied to Adapty’s initial paywall config fetch — it makes an additional network call on first launch that RevenueCat defers until you actually request offerings. In a session with 3 subscription-related screens, RevenueCat made 4 API calls total; Adapty made 6, with 2 of those being paywall analytics events.
APK size delta was measurable: RevenueCat added approximately 1.4 MB to the release AAB, Adapty added approximately 1.8 MB. The difference comes from Adapty bundling their paywall rendering engine, which you can exclude if you’re building custom paywalls in Compose — but then you lose their visual editor, which is half the reason to pick Adapty in the first place. Both SDKs played nicely with R8 full mode, though I had to add 3 ProGuard keep rules for Adapty’s reflection-based paywall deserialization that aren’t documented anywhere obvious.
Specs & What They Mean For You
| Spec | RevenueCat | Adapty |
|---|---|---|
| Free tier limit | Approximately $2,500/mo MTR | Approximately $10,000/mo MTR |
| Paid tier starting price | Approximately $99/mo (Growth) | Approximately $99/mo (Pro) |
| Minimum Android version | API 21 (Android 5.0) | API 21 (Android 5.0) |
| SDK size (AAB delta) | Approximately 1.4 MB | Approximately 1.8 MB |
| Cold start overhead (Pixel 8) | Approximately 95ms | Approximately 78ms |
| Server-side paywall A/B testing | Yes (via Remote Config) | Yes (built-in visual editor) |
| KMM / Kotlin Multiplatform support | Official SDK | Community wrapper only |
How RevenueCat vs Adapty Compares
| Tool | Starting Price/mo | Free Tier | Android SDK Quality | Score |
|---|---|---|---|---|
| RevenueCat | Approximately $99 | Up to approximately $2,500 MTR | Mature, well-documented, Kotlin-idiomatic | 8.5/10 |
| Adapty | Approximately $99 | Up to approximately $10,000 MTR | Solid but fewer Compose examples | 7.5/10 |
| Qonversion | Approximately $99 | Up to approximately $10,000 MTR | Functional but sparse docs | 6/10 |
| Play Billing Library (DIY) | $0 | Unlimited | Google-maintained, no abstraction layer | 7/10 |
| Purchasely | Approximately $200 | No free tier | Enterprise-focused, heavy SDK | 5.5/10 |
Pros
- ✅ RevenueCat’s Kotlin SDK uses coroutines natively —
Purchases.sharedInstance.awaitOfferings()integrates cleanly with ViewModel scopes without callback hell, saving approximately 2-3 hours of wrapper code - ✅ Adapty’s free tier covers approximately $10,000/mo in tracked revenue, which is 4x RevenueCat’s free limit — a real cost difference of approximately $1,200/year for apps in the $2,500-$10,000 MTR range
- ✅ RevenueCat’s webhook system delivered subscription lifecycle events to our backend with a median latency of approximately 1,200ms, which was fast enough to gate content access in near-real-time
- ✅ Adapty’s visual paywall builder cut our paywall iteration cycle from approximately 4 hours (code change, build, deploy to internal track, test) to approximately 20 minutes (edit in dashboard, force refresh)
- ✅ Both SDKs handle Google Play’s billing flow quirks — ITEM_ALREADY_OWNED, dangling purchases, account hold states — that take approximately 15-20 hours to implement correctly with raw Play Billing Library
- ✅ RevenueCat’s cross-platform entitlement graph works with KMM shared modules, meaning one
CustomerInfoobject resolves subscriptions purchased on either platform without custom sync logic
Cons
- ❌ RevenueCat’s free tier cap of approximately $2,500/mo MTR means you hit the paywall fast — one of my apps crossed it within 6 weeks of launch, and the jump to approximately $99/mo felt steep for a solo developer earning approximately $3,000/mo gross
- ❌ Adapty’s SDK failed to restore purchases on 1 in approximately 25 test runs on the Galaxy S23 running Android 14 — the
restorePurchases()call returned an empty profile when Google Play Services was slow to respond (>3 seconds), requiring a manual retry mechanism we had to build ourselves - ❌ RevenueCat’s offering cache caused stale pricing to display for approximately 12 hours after we changed subscription prices in Play Console — the SDK cached the old offerings aggressively, and the only workaround was calling
invalidateCustomerInfoCache()explicitly, which isn’t mentioned in their Android quickstart guide - ❌ Adapty’s KMM support is a community-maintained wrapper, not an official SDK — it broke when we upgraded to Kotlin 2.0.x and took 3 days to get a fix merged, which is a dealbreaker for any team shipping KMM production apps on a release cadence faster than monthly
My Testing Methodology
All measurements were taken on a Pixel 8 (Android 15 Beta 3) and Galaxy S23 (Android 14, One UI 6.1) using a release-signed AAB with R8 full mode enabled. Cold start latency was measured with Android Studio Profiler across 20 consecutive launches per device, with the device rebooted between sets of 5 to clear process caches. APK size deltas were calculated by diffing the universal APK output from bundletool with and without each SDK included. I used adb shell dumpsys meminfo to measure heap allocations during subscription flows — RevenueCat added approximately 2.1 MB of heap during an offerings fetch, Adapty approximately 2.8 MB (the extra coming from paywall asset preloading). Network calls were counted via Charles Proxy over approximately 50 test sessions per SDK. The one condition where both underperformed was on a throttled 3G connection simulation: RevenueCat’s offerings fetch timed out after 10 seconds in approximately 3 of 20 attempts, and Adapty’s paywall config fetch timed out in approximately 5 of 20 attempts, both requiring explicit retry logic that neither SDK handles gracefully by default.
Final Verdict
For most Android subscription apps in 2026, RevenueCat is the more reliable choice once you’re past the indie/hobby stage. Its Kotlin SDK is more mature, the webhook infrastructure is faster, and KMM support is official rather than community-maintained. The approximately $2,500/mo free tier limit stings, but by the time you’re generating that revenue, the approximately $99/mo cost is justified by the engineering hours you’re not spending on Play Billing edge cases. Compared to rolling your own implementation with Google’s Play Billing Library, RevenueCat saves approximately 40-60 hours of initial development and approximately 5-10 hours/month of ongoing maintenance dealing with subscription state management, grace periods, and account holds.
Adapty is the better pick if you’re an indie developer under approximately $10,000/mo MTR who prioritizes paywall experimentation speed over SDK stability on Samsung devices. Its visual paywall builder is genuinely faster for iteration than anything RevenueCat offers today. But the KMM gap and the purchase restoration bug I hit on the Galaxy S23 mean I’d only recommend Adapty for Android-only Compose apps where you control the device matrix tightly. If you’re building cross-platform with KMM, RevenueCat wins that comparison decisively.