The intermittent-fasting timer that lives on your Lock Screen and Dynamic Island — with honest pricing.

Pick 16:8, 18:6 or another protocol and start. Elapsed time, current stage and time to your goal — at a glance.

Streaks, averages and a 14-day chart — free, forever.

Every completed fast feeds your stats. No paywall between you and your own history.

Elapsed time, current stage and time to your goal — at a glance.
Your fast on the Lock Screen and Dynamic Island, always visible.
Check your progress without opening the app.
The timer, fasting stages, history and stats are free forever. Pro is optional — $19.99/year (21-day free trial) or a $29.99 lifetime unlock. Not a $70 subscription for a countdown.
Pro adds: custom fasting goals, mood & energy notes, a weight trend from Apple Health, and CSV export.
Need help? Email dark2torch@gmail.com — we usually reply within a day or two.
Yes. No account, no servers. Everything stays on your device. See our Privacy Policy.
Only if you turn on the weight trend, and only to read your weight — FastLine never writes to Health.
No. The timer and all stats are free forever. Pro is optional.
FastLine is an educational tracking tool, not medical advice. Fasting isn't right for everyone — talk to a doctor before making changes.