For iPhone
The honest fasting timer.
No account. No credit card. No trial that quietly bills you. The timer, every protocol, streaks, widgets, and your complete history — free, forever.
Coming soon to the App StoreYour history is never held hostage
Every fast you've ever logged stays free to see, forever. One optional $14.99 unlock adds insights, trends, and CSV export — once, not monthly.
Your data never leaves your phone
No servers, no analytics, no tracking. Fasts, weights, and settings live on your device — we couldn't see them if we wanted to.
It runs your day for you
Tell it when you eat. Hour Zero reminds you at the boundaries, keeps the timer on your lock screen, and can track the whole rhythm automatically.
Hour Zero is a general-wellness tool, not medical advice. Talk to your doctor before fasting.