# 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

# Overriding Introductory Offer Eligibility

Control when users see free trials and intro offers on your paywalls by overriding the default eligibility logic.

## Overview

Starting with iOS SDK 4.11.0, you can override the default introductory offer eligibility logic to control when users see free trials and intro offers on your paywalls. This allows you to show intro offers to returning users (as "promo offers") or to prevent them from appearing entirely.

This feature is configured entirely through the Paywall Editor in the Superwall Dashboard. No code changes are required in your app.

## Requirements

* **iOS SDK:** Version 4.11.0 or later
* **Platform:** iOS 16+ only (App Store products)
* **Xcode Version:** 16.3+
* You must have set up the [App Store Connect API](/docs/dashboard/dashboard-settings/overview-settings-revenue-tracking#app-store-connect-api) and the [In App Purchase Configuration](/docs/dashboard/dashboard-settings/overview-settings-revenue-tracking#in-app-purchase-configuration).

## If you're using a `PurchaseController`

`PurchaseController` support for intro offer eligibility override was added in SDK version 4.12.8. You'll need to add the JWS token that we generate for the product in a `PurchaseOption` that you pass to StoreKit when you purchase:

```swift Swift
func purchase(product: StoreProduct) async -> PurchaseResult {
  guard let sk2Product = product.sk2Product else {
    return .cancelled
  }

  var options: Set<StoreKit.Product.PurchaseOption> = []

  // Grab the introOfferToken
  if let introOfferToken = product.introOfferToken {
    // Add it as a PurchaseOption
    options.insert(.introductoryOfferEligibility(compactJWS: introOfferToken.token))
  }

  // Pass it in to the StoreKit purchase function
  let result = try await sk2Product.purchase(options: options)

  // etc...
}
```

## How It Works

By default, Superwall uses Apple's StoreKit to determine if a user is eligible for an introductory offer. Apple's rules state that users can only claim an introductory offer once per subscription group.

With this feature, you can override this behavior to:

* **Show intro offers to returning users** who have already used a trial (useful for win-back campaigns)
* **Hide intro offers entirely** even if users are eligible
* **Use the default behavior** (let StoreKit decide)

## Configuration

1. Open your paywall in the Paywall Editor
2. Go to the **Products** menu in the left sidebar
3. Select an option from the &#x2A;*"Introductory Offer Eligibility"** dropdown
4. Publish your paywall

### Options

**Automatic (Default)**
Uses Apple's default eligibility rules

**Always Eligible**
Allows users to see and claim intro offers, even if they've used one before

**Always Ineligible**
Prevents users from seeing intro offers