Last updated: October 15, 2026
How do I start a fast? Choose a plan in Settings, then tap "Start fast" on the main screen.
I started too late. Tap the start time and turn the Digital Crown back to when you really began.
The complication shows "Ready". No fast and no daily schedule is running. Start a fast or enable the daily schedule.
The complication is missing. Touch and hold the watch face, tap Edit and choose the "Fasting ring" complication.
Notifications do not arrive. Allow notifications for FastingTracker in the Watch settings and switch them on in the app.
Medical notice: FastingTracker is not a medical product and does not replace medical advice. Fasting is not suitable for everyone, for example during pregnancy, with eating disorders, diabetes or underweight.
Contact: GitHub