Notes from building Android, iOS, backend and web apps: Kotlin, Swift, Go and Next.js in practice — what worked, what didn't, and why.
Compose Multiplatform for iOS has been stable since May 2025. Here's when sharing UI between Android and iOS pays off, and when native SwiftUI still wins.
4 min read
Android and iOS both ship a language model on the phone now. What Gemini Nano and Apple's Foundation Models can do, where they fall short, and how to start.
4 min read
New Play apps and updates must now target Android 16 (API 36), and 16 KB page sizes come next. Here's what changes and a checklist to get your app ready.
4 min read
Both Go and Node.js can run a solid backend for a mobile app. Here's how I'd choose between them based on the work your API actually does, not benchmarks.
4 min read
Swift 6 turns data races into compile errors. Here's a step-by-step way to move an existing iOS app without drowning in warnings, plus what Swift 6.2 changed.
4 min read