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FastBodyClock

Intermittent fasting, simplified.

A beautiful countdown timer that keeps you motivated through every fast. Track your progress with visual milestones, earn overtime rewards, and build lasting fasting habits.

Download on the App Store

Features

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Countdown Timer

See exactly how much time is left with a beautiful progress ring and remaining time front and center.

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Overtime Mode

Keep fasting past your goal and see your bonus time with a green progress ring and checkmark reward.

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Progress Milestones

Visual markers at 25%, 50%, and 75% give you checkpoints to look forward to.

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Eating Window Preview

See your projected eating window before you start so you can plan your day.

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Stats & Streaks

Track completion rate, average duration, current streak, and longest streak.

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Health Tools

BMI calculator, weight log with trends, and daily water intake tracker built in.

Fasting Plans

16:8

16h fast / 8h eat

18:6

18h fast / 6h eat

20:4

20h fast / 4h eat

23:1

23h fast / 1h eat