JZA Applications

Sharp tools for sharp people.

Apps

Swipe-based photo cleaning with on-device AI — peel the keepers, bomb the rest, reclaim your storage.

Bike details, setups, service records and photos — kept on your device and in your own iCloud.

Watch-first GPS session tracking for karting, mountain biking, motorcycling, boating and more.

Apple Watch battery life in hours, not percent — a live prediction learned from how you actually use your watch.