Kastyl: AI Usage Tracker

Kastyl helps you understand how much usage you have left across the AI tools you use every day. Connect your supported provider accounts and see their usage windows, reset times, account activity, and subscription status without opening each service separately. Home Screen and Lock Screen widgets keep your limits visible when you need them. Live countdowns continue between refreshes, so you can quickly see how much capacity remains and when your usage resets. Kastyl can also send smart reset, pace, and early-reset alerts. With Kastyl Companion, desktop task activity and completion notifications can be delivered directly to your Phone when your computer finishes supported AI task. Your provider sessions stay protected on your device using Apple’s secure storage. Kastyl does not send provider access or refresh tokens to any servers. The relay is used only for the app services required for…