Stories on how world-class companies build mobile apps that are superfast ⚡.

Joined January 2025
9 Photos and videos
Archana Indran's team at Salesforce built AI from years of mobile debugging work that investigates build failures the way a senior engineer would. Eight people now support over 60 repositories and spend less time fighting fires. Read more: How AI Learned to Investigate Mobile Build Failures Like an Experienced Support Engineer mobile-vitals.com/article/27… #iOS #Android
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Craig Labenz from Google's Flutter team built an AI coffee bar that made 3,000 custom lattes at a conference. He used GenUI to let Gemini create different interfaces for each drink order in real time. Read more: How we built a Flutter-powered AI coffee shop mobile-vitals.com/article/27… #Flutter #AI
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Wealthfront's Android team sped up their CI build times by changing how Gradle allocates resources on AWS EC2 instances. Adding more workers didn't actually make builds faster. Read more: Tuning Android build nodes for maximum throughput mobile-vitals.com/article/27… #Android #BuildTime
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Kush Agrawal from Duolingo recently shared that they generated 85,000 lines of iOS test code with almost no manual work. Software development's bottleneck has shifted. Writing code isn't the problem anymore. Verifying that it works is. Read more: How We Automated iOS Unit Test Generation with AI mobile-vitals.com/article/27… #iOS #AI
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Amorn Apichattanakul from KBTG uses Google Antigravity to write Flutter tests automatically while developers aren't working. The agent finds gaps in test coverage, writes the tests, fixes failures, and opens pull requests before the morning standup. Read more: Antigravity on the Night Shift: Automating Mobile Integration Tests and Auto-Fixing PRs mobile-vitals.com/article/27… #Flutter #Testing
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Emma Twersky from Google's Flutter team released their 2026 roadmap. The focus has shifted beyond UI work. Flutter is moving toward AI-generated interfaces and using Dart across the full stack. Read more: Flutter & Dart's 2026 Roadmap mobile-vitals.com/article/23… #Flutter #Architecture
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Nazar Sydiaha from Callstack shows how to handle one of React Native's toughest problems: running multiple apps with shared packages without everything falling apart. His monorepo guide can help your team skip weeks of dependency issues. Read more: A Practical Guide to React Native Monorepo With Yarn Workspaces mobile-vitals.com/article/22… #ReactNative #Modularization
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Taha Selim Aksakal from Teknasyon Engineering found a memory leak that quietly pushed RAM usage from 160MB to critical levels over 12 hours with no traffic hitting the system. Two popular libraries were interacting in an unexpected way, and that's what caused it. Read more: Silent Killer in Production: Memory Leak Diagnosis and Solution Journey mobile-vitals.com/article/23… #Android #MemoryLeaks
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Antoine van der Lee reverse-engineered Apple's official SwiftUI Agent Skill from Xcode 27 and found something odd: it's built for speed, but it skips over a lot of what developers actually do with SwiftUI every day. Read more: SwiftUI Best Practices, straight from Apple's Xcode 27 Agent Skill mobile-vitals.com/article/27… #iOS #SwiftUI
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Łukasz Kosmaty at Expo released a compiler plugin that reduces Android app startup time by 30%. Developers don't need to change any code to use it. Read more: How a Kotlin compiler plugin cut Android time to first render by 30% mobile-vitals.com/article/27… #Android #AppStartup
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Costa Fotiadis from Just Eat Takeaway ran Google's Remote Compose through real production tests, and it worked well. Could this alpha library finally replace WebViews for server-driven UI? Read more: Remote Compose looks promising mobile-vitals.com/article/27… #Android #RemoteCompose
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Joel Besada from Shopify explains how they built a confetti animation in React Native that runs at 60 FPS without freezing the JavaScript thread. The approach uses declarative animations that run directly on the native UI thread. Read more: Building Arrive's Confetti in React Native with Reanimated mobile-vitals.com/article/27… #ReactNative #Android
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Callstack released a new profiler for React Native teams working with AI SDKs. If your on-device LLM integration runs slowly, this tool can help you figure out why. Read more: Introducing AI SDK Profiler for React Native Performance Analysis mobile-vitals.com/article/16… #ReactNative #PerformanceProfiling
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React Native now works with VR headsets. Meta announced support for Quest devices at React Conf 2025, so developers can build VR experiences using the same code they write for iOS and Android. Read more: React Native Comes to Meta Quest mobile-vitals.com/article/23… #ReactNative #ReleaseNotes
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Antoine van der Lee got a 25x performance boost using AI agents and Xcode Instruments. He used AI to read profiling data and test optimizations, which let him work faster than he could by hand. Read more: Xcode Instruments Time Profiler: Improve performance with AI mobile-vitals.com/article/26… #iOS #Xcode
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Wealthfront's iOS team got rid of merge conflicts and sped up builds by breaking apart their 10-year-old monolith into modules. XcodeGen made that possible. Read more: XcodeGen and the Quest to Modularize the Wealthfront iOS App mobile-vitals.com/article/23… #iOS #BuildTime
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Ilyas Ipek from Teknasyon found a performance problem in Kotlin that Android developers run into all the time. That innocent enum.values() call? It allocates and clones arrays every time you use it. Read more: Kotlin Enums: Replace values() with entries mobile-vitals.com/article/26… #Android #DeveloperTools
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William Candillon and the Shopify team released 89 versions of React Native Skia over 12 months. They built a custom renderer that works on iOS, Android, Web, and Node.js without tying it to any specific platform. Read more: React Native Skia: A Year in Review and a Look Ahead mobile-vitals.com/article/26… #ReactNative #UIPerformance
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William Candillon and the Shopify team released 89 versions of React Native Skia over 12 months. They built a custom renderer that works on iOS, Android, Web, and Node.js without tying it to any single platform. Read more: React Native Skia: A Year in Review and a Look Ahead mobile-vitals.com/article/26… #ReactNative #UIPerformance
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