Fast
Track your fast
Start with one tap and see the time remaining, your progress toward the target and roughly when you can eat again.
Intermittent fasting for iPhone
Tyvin is a simple, private fasting tracker. Start a fast, watch it fill up and get on with your day. No account, no subscription, no tracking.

What's inside
Fast
Start with one tap and see the time remaining, your progress toward the target and roughly when you can eat again.
History
Every fast listed month by month, with your average duration and whether you met your target.
Weight
Log your weight and follow the trend with a 7-day average. Sync with Apple Health if you want to.
Reminders
A notification when you reach your target and an optional daily reminder to start. Nothing about phases or streaks.
A look inside




Private by design
Tyvin has no server and no accounts. Your fasting history and weight are stored only on your device, and the developer can't see them.