Icon library
SF Symbols
Apple's library of icons designed to sit with San Francisco, the system font, and the Mac app to browse them.
Visit developer.apple.comHow I use it
Apple's icon library, for anything that ships on iOS.
- What it is
- Icon library
- On my tools page
- Mobile
- Updated
- November 2026
Where I write about SF Symbols
Articles on this site that mention it.
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: