1
Live on your Lock Screen
A Live Activity counts the time so far and what's left, in the Dynamic Island too, with End Fast a tap away.
2
Start it anywhere
Start or end a fast from the app, Control Centre, Siri or your Apple Watch, on the plan you used last time.
3
Every fast, kept
Look back over every fast you've done, and change when one started or ended if you forgot to tap.
Explore more
More of what WLTB can do
Photos and MeasurementsBefore and after photos, measurements and body fatWidgetsTwelve widgets, Control Centre and SiriApple WatchWeigh in on the Digital Crown, with fasts and complicationsiPhone DuoTwo panes on the inner display, in every poseiPadYour cards side by side, with room to spread outWeight TrackingGoals by pace or date, weigh-ins and maintenance
