# 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

# getPresentationResult()

Check the outcome of a placement without presenting a paywall.

## Purpose

Retrieves the presentation result for a placement without presenting the paywall. Call this when you need to know whether a placement would show a paywall, send the user to a holdout, or fail due to missing configuration before you decide how to render UI.

## Signature

```swift
public func getPresentationResult(
  forPlacement placement: String,
  params: [String: Any]? = nil
) async -> PresentationResult
```

```swift
public func getPresentationResult(
  forPlacement placement: String,
  params: [String: Any]? = nil,
  completion: @escaping (PresentationResult) -> Void
)
```

## Parameters

<TypeTable
  type="{
  placement: {
    type: &#x22;String&#x22;,
    description: &#x22;The placement you want to evaluate.&#x22;,
    required: true,
  },
  params: {
    type: &#x22;[String: Any]?&#x22;,
    description: &#x22;Optional parameters passed to audience filters. Keys starting with `$` are reserved by Superwall and removed. Nested dictionaries and arrays are ignored.&#x22;,
    default: &#x22;nil&#x22;,
  },
}"
/>

## Returns / State

Returns a `PresentationResult`, which can be:

* `.placementNotFound` – The placement name is not attached to any campaign.
* `.noAudienceMatch` – No audience matched, so nothing would be shown.
* `.paywall(experiment: Experiment)` – A paywall would be shown; the experiment contains assignment info.
* `.holdout(experiment: Experiment)` – The user would be held out of the paywall for the experiment.
* `.paywallNotAvailable` – The SDK could not show a paywall (for example, no window to present from).

## Usage

```swift
let result = await Superwall.shared.getPresentationResult(
  forPlacement: "premium_feature",
  params: ["source": "settings"]
)

switch result {
case .paywall(let experiment):
  analytics.log("Paywall would show", metadata: [
    "experimentId": experiment.id,
    "groupId": experiment.groupId
  ])
case .holdout(let experiment):
  showHoldoutBadge(for: experiment)
case .noAudienceMatch:
  unlockFeature()
case .placementNotFound:
  assertionFailure("Missing campaign setup")
case .paywallNotAvailable:
  fallbackToDefaultFlow()
}
```

```swift
Superwall.shared.getPresentationResult(forPlacement: "premium_feature") { result in
  guard case .paywall(let experiment) = result else {
    return
  }

  // Update UI with experiment metadata while keeping the user on the current screen
  self.paywallExperimentId = experiment.id
}
```

## Related

* [`register()`](/docs/ios/sdk-reference/register) – Registers a placement that may present a paywall.
* [`PaywallPresentationHandler`](/docs/ios/sdk-reference/PaywallPresentationHandler) – Observe the lifecycle when you do present a paywall.