Fast Fast: Fasting Timer

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About Fast Fast: Fasting Timer

Intermittent fasting timer for Wear OS. Ring, stages, alerts. No phone needed.

Fast Fast is an intermittent fasting timer built for your wrist. Start a fast with one tap, watch the ring fill, and get a buzz when you hit your goal. It runs entirely on the watch: no phone app, no account, no cloud.

WHAT YOU GET

• One-tap start on the classic 16:8 plan

• A live ring with your elapsed time and the stage your body is in: digesting, insulin drop, fat burning, ketosis, renewal

• Goal alert with haptics, and the countdown right on your watch face via the ongoing activity

• Adjust the start time if you forgot to tap Start after dinner

• Your last 7 fasts and your current streak

• A tile for a one-tap start from the watch face

• Everything backed up with your Google account

GO PRO (one-time purchase, 7-day free trial)

• All plans: 12:12, 14:10, 18:6, 20:4, OMAD, 36h, and any custom length up to 72 hours

• Fast schedule: a daily start time, different on weekends if you like, with a reminder or automatic start, and a "window closing" heads-up

• Eating-window countdown on the hero, the tile, and the complication

• Two watch-face complications: elapsed time and time to goal, ticking live

• Stage alerts you choose, plus halfway and one-hour-to-go nudges

• Full history with average, goal rate, longest fast, and a five-week streak calendar

• Streak freeze: one missed day a week doesn't break your streak

• Weekly insights, a 12-week trend, this month and this year totals

• Mood notes and a heart-rate reading after each fast, with insights on what feels best

• Badges for milestones, from your first fast to 500 hours

DESIGNED FOR THE WATCH

Built with Material 3 for Wear OS: a pure black canvas for AMOLED, big numerals you can read at a glance, one action per screen, crown and bezel support everywhere. Works standalone on Wear OS 3 and later, including Wear OS 6.

A NOTE ON STAGES

Stage timings are typical ranges, not medical advice. They vary with your last meal, activity, and body. Talk to a doctor before fasting if you have a medical condition, are pregnant, or take medication.