Start or end a fast from the phone or the wrist, move the start time if you logged it late, and see the window close on the watch face. Meals, training and the Health Score sit in the same app. Free, no subscription.
Each protocol sets a fasting window; you can change it any time. The start is editable, so the record stays honest when dinner ran long.
The fasting ring is an Apple Watch complication and a Wear OS tile. Start or end a fast, log water and food, and see the Health Score without the phone.
Scan a barcode, a label, the plate or a menu and the nutrition panel fills in. The seven-day plan builds a grocery list you can send to Instacart.
Weight, resting heart rate and sleep are drawn exactly as logged, so you can see how a fasting week looked against the weeks before it, without the app deciding what it means.
Yes. The start is editable, so a fast you forgot to start on time can be corrected.
Yes. It is a complication on Apple Watch and a tile on Wear OS, with start and end from the wrist.
Each protocol sets a default window and you can change it. LIFE1 shows your trends; it does not give medical advice.
Yes. LIFE1 is free on the App Store and Google Play, no subscription, no ads.
LIFE1 shows what you measured and what published guidelines say. It does not diagnose, interpret or treat. This page is general information, not medical advice.