--- title: iOS Brownfield App With React Native in an Easy Way description: A step-by-step guide to integrating React Native into an existing native iOS app (brownfield approach). Covers the manual setup using RCTBridgeDelegate,... canonical: https://daily.dev/posts/ios-brownfield-app-with-react-native-in-an-easy-way-ik08u4cyj twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: iOS Brownfield App With React Native in an Easy Way | daily.dev og:description: A step-by-step guide to integrating React Native into an existing native iOS app (brownfield approach). Covers the manual setup using RCTBridgeDelegate,... og:url: https://daily.dev/posts/ios-brownfield-app-with-react-native-in-an-easy-way-ik08u4cyj og:image: https://api.daily.dev/og/posts/IK08U4cYj.png og:image:alt: iOS Brownfield App With React Native in an Easy Way og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # iOS Brownfield App With React Native in an Easy Way **[Callstack Blog](https://daily.dev/sources/callstack-blog)** · 7 min read · 0 upvotes · 0 comments ## Summary A step-by-step guide to integrating React Native into an existing native iOS app (brownfield approach). Covers the manual setup using RCTBridgeDelegate, RCTBridge, and RCTRootView, then introduces the react-native-brownfield package as a simpler alternative. The package provides a cleaner API for starting the React Native runtime and exposes JS-callable methods to handle native back gestures and navigation pop behavior, solving common navigation issues in brownfield setups. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [React Native in .NET MAUI: A Practical Brownfield Integration Guide](https://daily.dev/posts/react-native-in-net-maui-a-practical-brownfield-integration-guide-t0leb0qbg) · Callstack Blog · 1 upvotes · 0 comments - [From Brownfield Complexity to AI-Supported React Native Migration](https://daily.dev/posts/from-brownfield-complexity-to-ai-supported-react-native-migration-yw76oi3hy) · Callstack Blog · 0 upvotes · 0 comments - [How we made Hybrid iOS apps compile 39% faster with React Native Brownfield](https://daily.dev/posts/how-we-made-hybrid-ios-apps-compile-39-faster-with-react-native-brownfield-pjknbygoq) · Callstack Blog · 0 upvotes · 0 comments --- Tags: [#ios](https://daily.dev/tags/ios), [#react-native](https://daily.dev/tags/react-native), [#cocoapods](https://daily.dev/tags/cocoapods) [View this post on daily.dev](https://daily.dev/posts/ios-brownfield-app-with-react-native-in-an-easy-way-ik08u4cyj) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"iOS Brownfield App With React Native in an Easy Way","url":"https://daily.dev/posts/ios-brownfield-app-with-react-native-in-an-easy-way-ik08u4cyj","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/ios-brownfield-app-with-react-native-in-an-easy-way-ik08u4cyj"},"datePublished":"2026-03-22T11:30:56.433Z","dateModified":"2026-03-22T11:35:47.043Z","description":"A step-by-step guide to integrating React Native into an existing native iOS app (brownfield approach). 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