Apps by
Jiayin Li

AllMyBatteries

iPhone · iPad · Mac · Watch

Track battery levels for all your Apple devices, AirPods, and Bluetooth accessories — synced via iCloud across all your devices.

PIPin

macOS · iOS · Free

Pin any macOS window as a floating Picture-in-Picture that stays on top — even when you switch Spaces or go fullscreen.

HTTPWidget

iPhone · iPad · Mac

Display live data from any HTTP API right on your home screen widget. Fully customizable templates with no coding required.

AI Packing List

iPhone · iPad · Mac

Let AI generate a perfect packing list tailored to your destination, duration, and activities. Never forget an essential again.