How to set up CI/CD for a mobile app — Articles

Mobile CI/CD automates the creation, testing, distribution, store submission, and post-release maintenance of signed iOS and Android app builds so releases do not depend on a single developer’s machine or credentials. Its core challenges are platform-specific code signing and access to macOS/Xcode for iOS, while Android generally builds on Linux and uses a keystore, often with Google Play App Signing. The comparison covers general CI services such as GitHub Actions, mobile-focused platforms including Bitrise and Codemagic, and Expo’s EAS Workflows for Expo and React Native projects, with each offering different levels of managed signing, prebuilt mobile steps, macOS capacity, pricing, and customization. A typical pipeline builds signed binaries, runs unit and end-to-end tests, distributes builds through channels such as TestFlight or Play testing, submits releases to app stores, and may deliver compliant over-the-air JavaScript updates for React Native without modifying native code. For React Native teams, EAS Workflows can combine build, submission, TestFlight distribution, updates, testing, release approvals, and fingerprint-based detection that avoids unnecessary native rebuilds, while GitHub Actions can trigger EAS jobs from lower-cost Linux runners. The recommended starting point is to automate reliable signed builds first, then add store delivery, testing, tester distribution, and release-update mechanisms as needed.

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