Biwo
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Intermittent Fasting
Made Simple

Biwo helps you track your fasts with a beautiful timer, proven methods, and zero complexity. No account needed. 100% offline.

Everything you need
to fast with confidence

Proven fasting methods

16:8, 18:6, 20:4, and OMAD (23:1). Pick the method that fits your lifestyle and start right away.

Simple and beautiful timer

A clear, animated timer that shows your fasting progress. Start, pause, and track with one tap.

Track your history

See all your completed fasts at a glance. Build streaks and stay motivated over time.

100% offline & private

No account, no server, no tracking. Your fasting data stays on your device. Always.

4 fasting methods

Pick the rhythm that fits your lifestyle. Switch anytime.

16:816h fast, 8h eating
18:618h fast, 6h eating
20:420h fast, 4h eating
OMAD23h fast, 1h eating