Fast.io -- Fasting Timer
Stefan Sturm Health & Fitness iPhoneiPadiPod touchApple Watch
Fast.io -- Fasting Timer is a free Health & Fitness app for iPhone and iPad by Stefan Sturm. Requires iOS 26.0. Updated March 30, 2026.
- Price
- Free
- on the App Store
- Size
- 23 MB
- Age 4+
- Updated
- Mar 30
- 2026 · v1.0.1
Screenshots
About Fast.io -- Fasting Timer
Fast.io is a beautifully simple intermittent fasting timer designed to help you stay consistent and focused on your fasting goals. Track your fast in real time, monitor hydration, and stay motivated with clear insights, widgets, and Live Activities. Perfect for popular fasting schedules like **16:8, 18:6, or OMAD**. #### TRACK YOUR FAST • Start fasting sessions with presets like 16:8, 18:6, or create custom fasting intervals • See elapsed time, remaining time, and fasting phases\ • Follow your fasting progress in real time #### TRACK YOUR WEIGHT • Sync weight with Apple Health • Monitor weight changes during fasting • Understand how fasting affects your body #### STAY CONSISTENT • Local reminders for fasting milestones • Daily hydration tracking • Motivation through achievements and streaks #### SEE YOUR PROGRESS • History with notes and mood tracking • Weekly, monthly, and yearly statistics • Understand and improve your fasting habits #### BUILT FOR APPLE DEVICES • Live Activities and Dynamic Island • Home Screen and Lock Screen widgets • Apple Watch companion app #### PRO FEATURES • One‑time purchase (no subscription) • Advanced customization • Extended fasting history Fast.io is designed to make intermittent fasting simple, beautiful, and effective.
What’s new
Version 1.0.1 · Updated March 30, 2026
Added: - Apple Health integration - Weight Tracking - Use Linear progress styles - Lots of UI updated And some fixes :)
App privacy
The developer, Stefan Sturm, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Fast.io -- Fasting Timer
Looking for apps like Fast.io -- Fasting Timer? Here are 6 similar apps on the App Store. The highest rated is 75 Challenge Tracker (5.0/5), and all 6 are free to download.
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Fastino
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Sundial: Fasting & OMAD Timer
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SimpleFast: Fasting Tracker
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Fasta: Fasting Timer
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75 Challenge Tracker
5.0
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Selah Studio
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Fast.io -- Fasting Timer | – | Free | March 30, 2026 | |
| Fastino | – | Free | Oct 11, 2026 | Compare |
| Sundial: Fasting & OMAD Timer | – | Free | Jun 17, 2026 | Compare |
| SimpleFast: Fasting Tracker | – | Free | May 6, 2026 | Compare |
| Fasta: Fasting Timer | – | Free | Oct 20, 2026 | Compare |
| 75 Challenge Tracker | 5.0 / 5 (1) | Free | Jan 16, 2026 | Compare |
| Selah Studio | – | Free | Jul 10, 2026 | Compare |