Fastly – Clean Fasting Timer
Collweb LLC Health & Fitness iPhoneiPadiPod touchApple Watch
Fastly – Clean Fasting Timer is a free Health & Fitness app for iPhone and iPad by Collweb LLC. Rated 4.8/5 from 96 ratings. Requires iOS 17.6.
- Rating
- 4.8
- 96 ratings
- Price
- Free
- on the App Store
- Size
- 9 MB
- Age 12+
- Updated
- Sep 3
- 2026 · v1.3.23
Screenshots
About Fastly – Clean Fasting Timer
Fastly is a clean, private fasting timer for 16:8, 18:6, OMAD, and custom schedules—without ads, accounts, or distractions. Start a fast with one tap, adjust your start or end time when needed, and see your elapsed time, remaining time, and planned finish at a glance. Fastly keeps the experience focused while giving you the tools you need to understand your routine and track your progress. FOLLOW YOUR FAST See estimated fasting phases based on your elapsed fasting time, including digestion, fat burning, ketosis, and autophagy. Upcoming phase markers make it easy to see what comes next during your fast. TRACK YOUR PROGRESS Review your complete fasting history through clear statistics, charts, and progress insights. Set weight and body fat goals, and optionally connect Apple Health to keep your measurements organized. STAY ON TRACK EVERYWHERE Follow your fasting status from your iPhone, Apple Watch, Home Screen widgets, and complications. Smart reminders help you stay aware of fasting goals and eating windows without unnecessary interruptions. KEY FEATURES • Real-time fasting timer with elapsed and remaining time • Planned fasting end time displayed at a glance • 14:10, 16:8, 18:6, 20:4, OMAD, and custom plans • Estimated fasting phases for digestion, fat burning, ketosis, and autophagy • Upcoming fasting phase markers • Complete fasting history with statistics and charts • Weight and body fat goals with progress benchmarks • Apple Health integration for weight and body fat • Apple Watch app and complications • Home Screen widgets for quick progress checks • Smart fasting and eating-window reminders • Optional private iCloud synchronization • Dark mode and a clean, focused interface PRIVATE BY DESIGN No ads. No third-party analytics. No developer data collection. Your fasting and health information stays on your devices and, when optional synchronization is enabled, in your private iCloud account. IMPORTANT NOTE Fasting phases are estimates based on elapsed time and can vary from person to person. Fastly is intended for general wellness and fasting tracking only. It does not provide medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before making medical or dietary decisions.
Ratings & reviews
4.8
96 ratings
What’s new
Version 1.3.23 · Updated September 3, 2026
• More accurate fasting progress across widgets and complications • Improved Apple Watch stability and background updates • Bug fixes and performance improvements
App privacy
The developer, Collweb LLC, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Fastly – Clean Fasting Timer
Looking for apps like Fastly – Clean Fasting Timer? Here are 6 similar apps on the App Store. The highest rated is Window - Fasting Timer (5.0/5), and all 6 are free to download.
-
Nomu - Intermittent Fasting
4.8
-
FastingCat - Fast tracker (IF)
4.9
-
Fasti: Fasting Tracker & Timer
4.9
-
My Fasting Timer: IF Clock
4.8
-
Window - Fasting Timer
5.0
-
Fasting Tracker:
4.9
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Fastly – Clean Fasting Timer | 4.8 / 5 (96 ratings) | Free | September 3, 2026 | |
| Nomu - Intermittent Fasting | 4.8 / 5 (95) | Free | Oct 10, 2026 | Compare |
| FastingCat - Fast tracker (IF) | 4.9 / 5 (56) | Free | Jul 2, 2026 | Compare |
| Fasti: Fasting Tracker & Timer | 4.9 / 5 (15) | Free | Feb 3, 2026 | Compare |
| My Fasting Timer: IF Clock | 4.8 / 5 (9) | Free | Mar 14, 2026 | Compare |
| Window - Fasting Timer | 5.0 / 5 (2) | Free | Feb 11, 2026 | Compare |
| Fasting Tracker: | 4.9 / 5 (26) | Free | Oct 11, 2026 | Compare |