Expo Docs MCP Server

--- title: Using in-app purchases description: Learn about how to use in-app purchases in your Expo app. hideTOC: true --- In-app purchases (IAP) are transactions within a mobile or desktop application where users can buy digital goods or additional features. This guide provides a list of popular libraries and tutorials for implementing IAP in your Expo app. > In-app purchase libraries require configuring custom native code. Native code is not configurable when using Expo Go. Instead, create a [development build](/develop/development-builds/introduction/), which allows using a native library in your project. ## Tutorial <BoxLink title="Expo In-App Purchase Tutorial" description={ <> The getting started guide for in-app purchases and subscriptions with{' '} react-native-purchases library and RevenueCat. </> } href="https://www.revenuecat.com/blog/engineering/expo-in-app-purchase-tutorial/" Icon={BookOpen02Icon} /> ## Libraries The following libraries provide robust support for in-app purchase functionality and out-of-the-box compatibility with Expo apps using [CNG](/workflow/continuous-native-generation/) and [Config Plugins](/config-plugins/introduction/) for seamless integration in your app. <BoxLink title={ <> react-native-purchases </> } description="An open-source framework that provides a wrapper around Google Play Billing and StoreKit APIs, and integration with RevenueCat services supporting in-app purchases. It enables product management, analytics, and simplified workflows for in-app purchase requirements that may extend beyond your client code, such as validating purchases on an app's backend." href="https://github.com/RevenueCat/react-native-purchases" Icon={GithubIcon} /> <BoxLink title={ <> expo-iap </> } description="A React Native library for in-app purchases that works with development builds." href="https://github.com/hyochan/expo-iap" Icon={GithubIcon} />