Building high-quality mobile applications requires continuous learning—from UI/UX patterns to performance optimization and new frameworks. Below is a curated list of the best English-language blogs and tutorial sites, each offering in-depth guides, code samples, and community support.

  1. Android Developers Blog
    The official blog from Google’s Android team. Here you’ll find announcements about new Android releases (OS versions, Jetpack libraries), best practices straight from the source, and deep dives into performance, security, and architecture components.
    🔗 https://android-developers.googleblog.com/

  2. Flutter Blog
    Google’s official Flutter blog offers tutorials, case studies, and release notes on Flutter and Dart. It’s the go-to for everything from “getting started” guides to advanced topics like custom rendering and plugin development.
    🔗 https://medium.com/flutter

  3. AppCoda
    Focused on iOS development, AppCoda provides step-by-step tutorials on Swift, UIKit, SwiftUI, and Xcode tips. Their beginner-to-advanced courses and e-books are particularly popular for mastering iOS patterns and App Store best practices.
    🔗 https://www.appcoda.com/

  4. Smashing Magazine (Mobile Section)
    While Smashing Magazine covers web design broadly, their mobile section includes excellent articles on responsive design, Progressive Web Apps (PWAs), performance optimization, and user experience for mobile devices.
    🔗 https://www.smashingmagazine.com/category/mobile/

  5. Kodeco (formerly RayWenderlich.com)
    Although rebranded, Kodeco continues the legacy of Ray Wenderlich with new, updated tutorials on Flutter, Android, iOS, and game development. Their subscription model gives access to exclusive video courses and a vibrant Discord community.
    🔗 https://www.kodeco.com/

  6. Mobiletuts+ (Envato Tuts+)
    Part of the Envato network, Mobiletuts+ offers free and paid tutorials on native (Swift, Kotlin), cross-platform (React Native, Ionic), and hybrid development. The step-by-step guides are suitable for quick problem-solving or end-to-end app builds.
    🔗 https://code.tutsplus.com/categories/mobile

  7. Medium – ProAndroidDev & ProSwift
    Community-driven publications on Medium: ProAndroidDev focuses on Android, while ProSwift is dedicated to Swift and iOS. Both feature guest posts by industry experts, covering real-world challenges, architecture patterns, and tooling tips.
    🔗 https://medium.com/proandroiddev

  8. DZone – Mobile Zone
    DZone’s Mobile Zone compiles articles written by professionals across the industry—everything from Flutter hacks to advanced Android threading. Their “Refcardz” (concise cheat sheets) are particularly handy for quick reference.
    🔗 https://dzone.com/mobile

  9. InfoQ – Mobile
    InfoQ’s mobile section publishes news, articles, and interviews on emerging mobile technologies: Kotlin Multiplatform, Jetpack Compose, SwiftUI, and architectural trends like micro frontends and server-driven UI.
    🔗 https://www.infoq.com/mobile/

How to Choose the Right Resource

  • Beginner? Start with AppCoda or Ray Wenderlich’s free tutorials to learn the basics of Swift or Kotlin.

  • Official Updates? Subscribe to the Android Developers Blog and Flutter Blog for the latest framework releases and best practices.

  • Cross-Platform? Envato Tuts+ (Mobiletuts+) and Medium’s ProAndroidDev/ProSwift often cover React Native, Ionic, and Kotlin Multiplatform.

  • Design & Performance? Smashing Magazine and InfoQ delve into UX patterns, performance tuning, and architectural shifts.

By combining official sources with community-driven blogs, you’ll stay up-to-date and build robust, modern mobile applications. Happy coding!