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Mobile app release tracks

← Learning Atlas · Path 10 of 28 · For app developers shipping to phones: learn Capacitor, React Native and Expo, then automate releases with Fastlane to TestFlight and Play Store testing.

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Build/deploy toolingBrowsersruntimesframeworks

  1. Step 1: Capacitor

    Why this matters here

    Capacitor starts the path because it explains how a web app can become an installable mobile app shell.

    In short

    A cross-platform native runtime that allows developers to build iOS, Android, and web apps using standard web technologies like HTML, CSS, and JavaScript.

    Full definition of Capacitor →

    Next: WKWebView ↓

  2. Step 2: WKWebView

    Why this matters here

    WKWebView matters next because it is the iOS runtime surface that hybrid apps ultimately depend on.

    In short

    Apple's modern iOS framework component used to display interactive web content natively within a mobile application.

    Full definition of WKWebView →

    Next: React Native ↓

  3. Step 3: React Native

    Why this matters here

    React Native provides the nearby alternative, helping learners compare hybrid web shells with native-rendered app frameworks.

    In short

    An open-source framework by Meta that allows developers to build native mobile apps for iOS and Android using React and JavaScript.

    Full definition of React Native →

    Next: Expo ↓

  4. Step 4: Expo

    Why this matters here

    Expo belongs after React Native because it shows the managed workflow that simplifies builds and device testing.

    In short

    An open-source platform and framework built around React Native that heavily simplifies the process of developing, testing, and deploying mobile apps.

    Full definition of Expo →

    Next: Fastlane ↓

  5. Step 5: Fastlane

    Why this matters here

    Fastlane enters once there is a mobile app to ship, automating the signing and store-release chores that otherwise slow teams down.

    In short

    An open-source tool suite that automates the tedious processes of building and releasing iOS and Android apps, such as generating screenshots and managing certificates.

    Full definition of Fastlane →

    Next: TestFlight ↓

  6. Step 6: TestFlight

    Why this matters here

    TestFlight is the iOS beta lane, so it shows how a build reaches real testers before public release.

    In short

    Apple's official platform for distributing beta versions of iOS apps to internal team members and external testers before they are published to the public App Store.

    Full definition of TestFlight →

    Next: Play Store internal testing ↓

  7. Step 7: Play Store internal testing

    Why this matters here

    The Android internal track completes the comparison by showing the parallel fast-feedback path for Google Play.

    In short

    A fast, lightweight distribution track in the Google Play Console used to instantly push Android app updates to a small group of trusted internal testers.

    Full definition of Play Store internal testing →

    Continue with Frontend framework to edge hosting →