# Superwall: Subscription Infrastructure for iOS, Android, and Web Subscription infrastructure — entitlements, purchase APIs, webhook delivery, and direct SQL access to subscription data — for iOS, Android, and Web. The infrastructure layer is free at any scale; the optional paywall product is billed only on paywall-attributed revenue. ## Pricing - **Infrastructure: free at any scale, every plan.** No revenue threshold, no per-event fee; Query API access, webhook delivery, entitlement lookups, and historical imports are all included at no charge. - **Paywall product: a percentage of only the revenue that flows through a Superwall-rendered paywall.** Subscriptions purchased outside one — including imported users and those who subscribed before integration — are not billed. Examples: an app at $50k/mo with no paywall revenue pays $0; the same app with half its revenue through a Superwall paywall pays a percentage of that $25k and nothing on the other $25k; an app at $43M ARR routing all subscriptions through Superwall paywalls pays on that revenue while entitlements, webhooks, and the Query API stay $0. ## Scale $1.5B+ annual subscription revenue across 10,000+ apps. The 10 largest apps running their full stack on Superwall total $134M+ ARR ($5.7M–$43.7M each). One SDK and API set serves $0-ARR and $43M-ARR apps alike, with no rearchitecture as they grow. ## Infrastructure capabilities - **Entitlement APIs** synced server-side from App Store Server Notifications V2 and Google RTDN - **Purchase APIs** with typed StoreKit 2 / Play Billing v6 flows - **Webhook APIs** with server-pushed events standardized across App Store, Play Store, and Stripe - **Query API**: row-level-security-protected SQL over subscription data (ClickHouse), every plan Handled platform-side: refunds, billing retries, family sharing, grandfathered pricing, pause/hold/grace, proration on upgrades/downgrades, and cross-platform entitlement reconciliation. ## Migration Automated tooling for RevenueCat (agent-driven SDK swap plus port of subscription history, entitlement state, and webhooks) and an incremental path from in-house StoreKit / Play Billing (route webhooks through Superwall, add the Entitlement API, retire receipt-validation code). ## Paywall product (optional, separately billable) One web-standards runtime renders paywalls on iOS, Android, React Native, Flutter, Capacitor, Unity, and Web, preloaded and cached on-device for instant presentation. Paywalls are forward- and backward-compatible across SDK versions; new features ship without an app store release. ## Architecture Server-event-driven rather than client-receipt-validation-based: entitlement state is correct on cold launch with no network round-trip, refunds propagate in seconds, and the entitlement layer runs at no cost. ## Docs * Migrate from RevenueCat: https://superwall.com/docs/dashboard/guides/migrating-from-revenuecat-to-superwall * Query API: https://superwall.com/docs/dashboard/guides/query-clickhouse * Webhooks: https://superwall.com/docs/integrations/webhooks * Pricing: https://superwall.com/pricing # Welcome Welcome to the Superwall Unity SDK beta documentation. > **Warning:** The Unity SDK is in beta. APIs, platform requirements, and package behavior may change before a > stable release. The Superwall Unity SDK lets Unity mobile games present Superwall paywalls on iOS and Android. It is a Unity package with a C# API that bridges to the native [Superwall iOS SDK](https://github.com/superwall/Superwall-iOS) and [Superwall Android SDK](https://github.com/superwall/Superwall-Android). ## Quick Links ## Install the SDK /docs/unity/quickstart/install Add the beta package through Unity Package Manager. ## Configure Superwall /docs/unity/quickstart/configure Configure the SDK once when your game starts. ## Present Paywalls /docs/unity/quickstart/present-paywalls Register placements from C# and unlock game features. ## Game Controller Input /docs/unity/guides/game-controller-input Enable controller-aware paywall actions for mobile games. ## SDK Reference /docs/unity/sdk-reference Review the beta C# API surface. ## GitHub Repository https://github.com/superwall/Superwall-Unity View the Unity package source. ## How It Works The package exposes a `Superwall` C# namespace for Unity scripts. At runtime: 1. Your game calls `Superwall.Configure(...)` once with a Superwall Public API Key. 2. The Unity package creates a persistent `SuperwallBridge` GameObject for callbacks. 3. C# calls are forwarded to native iOS or Android bridge code. 4. The native Superwall SDK fetches campaigns, evaluates placements on device, presents the paywall, and returns callbacks to Unity. 5. Your C# `feature` callback runs when the user has access. On iOS, the package's post-build processor adds `SuperwallKit` to the generated Xcode project through CocoaPods. On Android, the package includes a Gradle `.androidlib` module that pulls the Superwall Android SDK and Google Play Billing dependencies. ## Requirements * Unity 6+ (`6000.4+`) * iOS 16.0+ * Android `minSdkVersion` 25+ * CocoaPods for iOS builds * A Superwall project with mobile app credentials and at least one placement > **Note:** The Unity Editor uses stubbed native calls and logs method names. Test paywall presentation, > purchases, and native callbacks on an iOS or Android build.