One: Track Fasts, Hit Goals
charlies.bot
4.4 stars86 reviews5,000+Free
Health & FitnessEveryoneVersion VARYUpdated 7/6/2026, 1:38:24 PM
Open in StoreAchieve 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.
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.
Developer email
sudo@charlies.bot
Released
Jun 30, 2025
Current version
VARY
Android version
VARY
Reviews & Ratings
4.4
out of 5
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🙂 Mostly positive reviews
86 reviewsScreenshots
