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16 posts
Ben Gohlke
Developer Advocate
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Implement in-app purchases using Expo
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How to implement in-app purchases into your Flutter app
Learn how to implement flutter in-app purchases with our comprehensive guide. Start monetizing your Flutter app today using built-in in-app purchase features.

Implement in-app purchases using Expo
Unlock the full potential of your mobile app by integrating in-app purchases with Expo! Explore our step-by-step guide to seamlessly implement this feature, enabling a smoother and more versatile user experience, while optimizing your app’s revenue stream. Whether you're a seasoned developer or just starting, our article provides insightful tips and strategies to make the integration process straightforward and effective.

React Native in-app purchases: The complete implementation tutorial
A quick step-by-step guide on how to implement in-app purchases for a React Native mobile app. Server-side receipt validation is included.

SKError codes and how to handle them
The comprehensive list of SKError codes on iOS. What issues can occur during transaction, actions needed from a developer's side, and alerts to be displayed

Quickstart Adapty setup guide: Flutter
Step-by-step guide to integrate the Adapty SDK in a Flutter app — display paywalls and process in-app purchases on iOS and Android in under 60 minutes.

Quickstart Adapty setup guide: Android
Step-by-step guide to integrate the Adapty SDK in an Android app with Kotlin and Jetpack Compose — display paywalls and process in-app purchases in under 60 minutes.

Quickstart Adapty setup guide: React Native with Expo
Step-by-step guide to integrate the Adapty SDK in a React Native app built with Expo — display paywalls and process in-app purchases in under 60 minutes.

Quickstart Adapty Setup Guide: iOS with UIKit
Step-by-step guide to integrate the Adapty SDK in an iOS UIKit app — display paywalls and process in-app purchases in under 30 minutes.

How to A/B test free trials on iOS
Apple’s rules make A/B testing free trials tricky. This guide breaks down three workarounds that help you compare trial lengths and boost LTV

RevenueCat alternatives: Why I switched to Adapty for my indie weather app
Find the best RevenueCat alternative for your app. I compared StoreKit, RevenueCat, and Adapty for subscription management, paywalls, and A/B testing.

In-app purchases initialization with Swift
Learn how to optimize your SKProduct listings for iOS and provide seamless restore purchase functionality to your users. This article provides Storekit restore purchases examples to help you improve the user experience and increase revenue for your app.

How to validate server-side transactions with Apple's App Store Server API
Replace the deprecated verifyReceipt with Apple's App Store Server API for server-side IAP validation — JWT auth, real-time subscription status, and implementation examples.