Intermittent fasting timer
Fast with intention.
Pick a fasting window, watch your stages unfold and keep the streak going — without an account, and with every record kept on your phone.
- Fasting windows
- 12:12 → OMAD
- Accounts needed
- 0
- On-device data
- 100%
FastSpan
How it works
Three taps to your first fast
- 1
Pick a window
Choose 16:8, 18:6, OMAD or your own length.
- 2
Start the timer
A live ring shows each fasting stage as you go.
- 3
Keep the streak
Stats, a calendar and widgets keep you on track.
Features
Everything a fast needs, nothing it doesn't
FastSpan keeps the timer front and centre and the rest one tap away.
Live fasting ring
See elapsed time, remaining time and your current stage at a glance.
Learn more →Charts & history
Every fast on a calendar with success rate and longest streak.
Gentle reminders
Notifications when a window opens or closes — never spammy.
Home screen widgets
Check your fast without opening the app.
Export
Take your history with you as CSV whenever you like.
Private by design
No sign-up. Your records never leave your phone.
Pricing
One price, yours forever
Free
$0
- Fasting timer
- History & calendar
- Reminders
Lifetime
$8.99one-time
- Everything in Free
- No ads
- Widgets & export
FAQ
Do I need an account?
No. FastSpan works without sign-up and keeps every record on your phone.
Is it free?
Yes, the timer is free. A one-time Lifetime purchase removes ads and unlocks widgets and export.
Is fasting safe for me?
FastSpan is a general tool, not medical advice. Check with a doctor if you have a medical condition.