The Best iOS Subscription SDKs, Ranked for 2026

How to choose a subscription SDK

The decision usually comes down to how much of the purchase stack you want to own. If you have one lifetime product or a single simple subscription, native StoreKit 2 is genuinely fine and saves you a fee. The moment you need reliable entitlements across platforms, restore handling, webhooks into your backend, or paywall experiments, a managed SDK pays for itself quickly.

• One simple product, no cross-platform: StoreKit 2
• Standard subscriptions, want it done right fast: RevenueCat
• Paywall design and A/B testing is the growth lever: Superwall or Adapty
• Cost-sensitive but want a backend: Qonversion

The 5 best iOS subscription SDKs

Every option below is a real, production-proven way to ship subscriptions on iOS. The right pick depends on whether you value backend receipt validation, remote paywall control, or the freedom of no third-party dependency.

1. 1

   RevenueCat

   Best overall

   The de facto standard for indie and mid-size iOS apps. RevenueCat wraps StoreKit, handles server-side receipt validation, exposes a clean entitlements model, and ships cross-platform paywalls, webhooks, and analytics. Free until $2,500/month in tracked revenue.

   Pros

   • Best-in-class docs and SDK ergonomics
   • Free tier covers most pre-revenue and early apps
   • Entitlements abstraction makes gating trivial
   • Cross-platform (iOS, Android, Flutter, RN, KMP)

   Cons

   • Revenue-based pricing gets expensive at scale (1% over $2.5k/mo)
   • Adds a backend dependency in your purchase path
   • Paywall builder is good but less experiment-focused than Superwall

   Learn more
2. 2

   Superwall

   Best for paywall testing

   Superwall's whole reason for existing is remote paywall design and A/B testing. You ship placements in code, then design, swap, and experiment with paywalls from a dashboard without app updates. Often paired with RevenueCat for entitlements.

   Pros

   • Best remote paywall builder and experimentation engine
   • Change paywalls with no app release
   • Strong conversion analytics per paywall variant

   Cons

   • Not a full entitlement backend — many teams still run RevenueCat underneath
   • Pricing is usage-based and can climb
   • Overkill if you rarely test paywalls

   Learn more
3. 3

   Adapty

   Best all-in-one at scale

   Adapty combines entitlement management, a no-code paywall builder, and heavy A/B testing in one platform. It positions itself as a growth suite with cohort analytics and predictive LTV, popular with teams that live in paywall experiments.

   Pros

   • Paywall builder plus experimentation in one product
   • Rich subscription and cohort analytics
   • Generous free tier and competitive pricing

   Cons

   • Larger surface area than a team that just needs entitlements
   • SDK historically less polished than RevenueCat's
   • Advanced analytics features gated to paid tiers

   Learn more
4. 4

   Qonversion

   Lightweight managed option

   Qonversion offers managed subscription infrastructure — entitlements, analytics, and integrations — often at a lower price point than RevenueCat. A solid choice for cost-sensitive teams that still want a backend.

   Pros

   • Competitive, often cheaper pricing
   • Solid entitlement and analytics feature set
   • A/B testing and remote config included

   Cons

   • Smaller community and ecosystem than RevenueCat
   • Fewer third-party integrations
   • Less mindshare means fewer tutorials to lean on

   Learn more
5. 5

   StoreKit 2 (native)

   Zero dependencies

   Apple's modern StoreKit 2 API is async/await-based and dramatically nicer than StoreKit 1. With Transaction.currentEntitlements and on-device verification you can ship subscriptions with no third party at all — you just own the edge cases.

   Pros

   • No third-party dependency, cost, or vendor lock-in
   • Modern async/await Swift API
   • On-device transaction verification built in
   • Ideal for one or two simple products

   Cons

   • You own receipt edge cases, restores, and cross-platform sync
   • No dashboard, analytics, or remote paywalls
   • iOS 15+ only; StoreKit 1 fallback for older
   • Server-side validation is entirely your problem

RevenueCat vs Adapty at a glance

Frequently Asked Questions