One: Track Fasts, Hit Goals

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About this app

Achieve your health goals with One, the simple and effective intermittent fasting (IF) tracker designed for focus and consistency.

Built for those who value clarity over clutter, One provides the essential tools to manage your fasting schedule without distractions. We believe that a straightforward approach is the most sustainable way to build a healthy habit. No ads, no subscriptions, no complicated settings. Just a reliable tool to support your journey.

Why Choose One?

Focused & Uncluttered Interface
Our clean design helps you concentrate on your fast, not on navigating a complex app. It's the perfect tool for tracking popular schedules like 16:8 or circadian rhythm fasting.

Effortless Control
Start, stop, edit, and view your fasts with just a few intuitive taps. Tracking your progress and history has never been easier.

Truly Free, For Everyone
One is completely free. We promise zero advertisements, no premium paywalls, and no hidden costs. Ever.

Fast & Lightweight
Launches instantly and runs smoothly, respecting your device's battery and resources.

Seamless Wear OS Integration

Take full control of your fast right from your wrist with features designed for convenience and discretion.

Tile
Use tiles for quick access to your fasting status directly from your watch carousel.

Customizable Complications
Add a Complication directly to your favorite watch face for a constant, subtle view of your timer.

Full Wrist Control
Start, stop, and monitor your fasts without ever touching your phone.

Download One today and experience a more focused approach to intermittent fasting.

Ratings and reviews

it is as described. a simple fasting tracker. it can be opened to start and end on the samsung watch. however, there's no features for editing. Your options for timing are limited to just a few basic selections. It does not record your data for later review. choose a time option, hit start, it counts time, hit end. that's it. I give it 3 stars for ease of use, not 5 stars, because there are no other features or customization. maybe it's for you.

Perfect fasting tracker/timer Simple, no adds, has the essential without all the faff of other app. (has various fast durations + create your own ❤️) . AND the wear OS app is superbe. Start, track and stop your fast directly from your watch + fasting duration complication for watch faces 💪💪👍 THIS is exactly what I was looking for for so long. I thank you. Love it!

Great and minimal, no ads! I only wish it had a persistent notification to track fast and a countdown to your fast time.