Start with one tap
Pick 14, 16, 18 or 20 hours, or set any goal from 12 to 72. The dots fill in as the hours pass.
One dot for each day
When a fast ends, that day gets a dot. Longer fasts make darker dots, so a year of fasting fits on one screen.
Tap any day to fix its times, or add a fast you forgot to track.



On your Home Screen
Widgets show your timer, your streak, this week or your last 6 months. You can start a fast from the widget without opening the app.
There are Lock Screen and StandBy widgets too. Widgets come with DotFast Pro.
Free, with a Pro upgrade
Pro is a yearly or monthly subscription, or a one-time lifetime purchase. Prices are shown in the app.
Free
- The timer, with any goal
- Your full history and stats
- Reminders to start, at halfway and at your goal
- iCloud sync between your devices
- A Control Center switch and Siri
- CSV export
DotFast Pro
- Home Screen widgets, with a Start fast button
- Lock Screen and StandBy widgets
- All 8 colors
Your fasts stay yours
DotFast has no accounts, no ads and no analytics. Your fasts are stored on your device and in your own iCloud, where the developer can't read them. The privacy policy has the details.
Questions
Which languages does it come in?
English, Spanish, German, French, Italian, Portuguese, Korean and Japanese.
What do I need?
An iPhone or iPad with iOS 26 or later.
Does it tell me how to fast?
No. DotFast tracks your fasts. It doesn't give medical advice. Talk to a doctor before fasting if you're pregnant, have a health condition or take medication.
More answers are on the support page.