---
id: "generated-index:sdk-guides/ios-migration-guides-index"
title: "iOS Migration Guides"
permalink: "/docs/sdk-guides/ios-migration-guides-index"
slug: "sdk-guides/ios-migration-guides-index"
original_source: "Docusaurus generated category index"
---

> **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).

## [iOS Native - 3.x to 4.x Migration](/docs/sdk-guides/ios-native-3x-to-4x-migration)

Read the migration blog post for more information about why we made the switch from Objective-C to Swift.

## [iOS Native - 4.x to 5.x Migration](/docs/sdk-guides/ios-native-4x-to-5x-migration)

StoreKit 2