---
id: "getting-started/installation"
title: "Installing the SDK"
description: "Purchases is our SDK that correctly implements purchases and subscriptions across platforms while syncing tokens with the RevenueCat server. Check out the install guides below integrate the SDK into all of your apps."
permalink: "/docs/getting-started/installation"
slug: "installation"
version: "current"
original_source: "docs/getting-started/installation.md"
---

> **AI agents:** This is the Markdown version of a RevenueCat documentation page. For the complete documentation index, see [llms.txt](https://www.revenuecat.com/docs/llms.txt).

*Purchases* is our SDK that correctly implements purchases and subscriptions across platforms while syncing tokens with the RevenueCat server. Check out the install guides below integrate the SDK into all of your apps.

- [iOS & Apple Platforms Installation →](https://www.revenuecat.com/docs/getting-started/installation/ios)
- [Android Installation →](https://www.revenuecat.com/docs/getting-started/installation/android)
- [React Native Installation →](https://www.revenuecat.com/docs/getting-started/installation/reactnative)
- [Expo Installation →](https://www.revenuecat.com/docs/getting-started/installation/expo)
- [Flutter Installation →](https://www.revenuecat.com/docs/getting-started/installation/flutter)
- [Kotlin Multiplatform Installation →](https://www.revenuecat.com/docs/getting-started/installation/kotlin-multiplatform)
- [Cordova Installation →](https://www.revenuecat.com/docs/getting-started/installation/cordova)
- [Capacitor Installation →](https://www.revenuecat.com/docs/getting-started/installation/capacitor)
- [Unity Installation →](https://www.revenuecat.com/docs/getting-started/installation/unity)
- [Web Installation →](https://www.revenuecat.com/docs/getting-started/installation/web-sdk)
- [Roku →](https://www.revenuecat.com/docs/getting-started/installation/roku)

## Next steps

After you've installed the SDK, it's time to configure it with your API key.

[Configure the SDK →](https://www.revenuecat.com/docs/getting-started/configuring-sdk)