Swift and SwiftUI
Swift is Apple's language for its platforms. SwiftUI is its declarative framework for building the UI in Swift.
Visit developer.apple.com- What it is
- Language and UI framework
- On my tools page
- Mobile
- Updated
- November 2026
Where I write about Swift and SwiftUI
Articles on this site that mention it.

Oct 2, 2026 · Engineering
Six Crashes Importing Apple Health: What HealthKit Doesn't Tell You
My Apple Health import crashed six times. It was never memory: one unit label killed the process with no JS error. What I learned about HealthKit reads.

Apr 8, 2026 · AI
Your Next Mobile Team Is One Engineer and a Harness
In 2019 serious clients took a team of 10+. In 2026 one senior engineer with AI can carry a lot of it. What got cheaper, what didn't, and how to hire.

Nov 4, 2026 · Engineering
Hermes Has No JIT: Why Your React Native App Scrolls but Taps Hang
My phone app scrolled fine but ignored taps for seconds. A layout that took 192 ms in Node took 8.3 s without a JIT. How to measure phone JS honestly.

May 20, 2026 · AI
AI Code Review: Give It the Files, Not Just the Diff
An AI reviewer that only sees the diff reviews syntax. Give it the files, the spec and the tests, and it starts reviewing like a senior.

Feb 16, 2026 · Android Development
You Don’t Need a Team of 10 Devs Anymore. You Need A System.
Most early-stage tech startups make the same costly mistake:

Jan 12, 2026 · Android Development
If You’re Still Only Focused on Hard Skills… You’re Already Falling Behind
I’ve been coding for over a decade. Building apps, scaling startups, leading mobile projects.