Mobile UI Kits — 5 resources

Curated free mobile UI kits for iOS and Android. Tested against HIG and Material 3. Touch targets, native patterns, platform fidelity. License-verified. Our top picks: Laws of UX, Apple iOS 18 UI Kit Official, ConnectApp Mobile UI Kit. Best for product and UI/UX designers who want ready-to-use mobile ui kits without building from scratch.