AllyFast: Fasting Tracker
Wonseok Lee Health & Fitness iPhoneiPadiPod touch
AllyFast: Fasting Tracker is a paid Health & Fitness app for iPhone and iPad by Wonseok Lee. Rated 5.0/5 from 22 ratings. Requires iOS 18.2.
- Rating
- 5.0
- 22 ratings
- Price
- 0.99 USD
- on the App Store
- Size
- 2 MB
- Age 4+
- Updated
- Apr 21
- 2026 · v1.1.0
Screenshots
About AllyFast: Fasting Tracker
AllyFast is a beautifully crafted intermittent fasting timer built with SwiftUI. Clean, lightweight, and privacy-first. Whether you follow 16:8, 18:6, 20:4, OMAD, or extended fasts, AllyFast keeps your fasting journey simple and focused. Why AllyFast? • No subscriptions. One-time $0.99. Yours forever. • 100% private. All data stays on your device. • No ads, no trackers, no accounts, no clutter. • Ultra lightweight at just 1.7 MB. Key Features • Beautiful fasting timer with smooth SwiftUI animations • Supports intermittent fasting plans: 12:12, 14:10, 16:8, 18:6, 20:4, OMAD • Extended fasts up to 72 hours • Editable fasting history with color-coded goal tracking • Science-based fasting stage insights (fed state, ketosis, autophagy, and more) • Unlimited local import and export of your fasting data • Polished for iOS 26 Liquid Glass • Full Dark Mode support Perfect Privacy Your fasting data never leaves your iPhone. No cloud sync, no servers, no tracking. Just you and your fast. Built for Everyone From beginners exploring their first 16:8 fast to experienced fasters tracking multi-day autophagy windows, AllyFast adapts to your goals without getting in the way. No cloud. No noise. Just fasting.
Ratings & reviews
5.0
22 ratings
What’s new
Version 1.1.0 · Updated April 21, 2026
Version 1.1.0 • Dark Mode. • Liquid Glass UI. • Performance and stability improvements.
App privacy
The developer, Wonseok Lee, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to AllyFast: Fasting Tracker
Looking for apps like AllyFast: Fasting Tracker? Here are 6 similar apps on the App Store. The highest rated is Fasty: Fasting Tracker (4.9/5), and all 6 are free to download.
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Simple Fasting App
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Fasty - Intermittent Fasting
4.7
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Fasty: Fasting Tracker
4.9
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Suavita: Fasting Tracker App
4.6
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Fasting + Intermittent Fasting
4.8
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Fasting Tracker & Diet App
4.6
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| AllyFast: Fasting Tracker | 5.0 / 5 (22 ratings) | 0.99 USD | April 21, 2026 | |
| Simple Fasting App | 4.5 / 5 (43) | Free | Oct 9, 2026 | Compare |
| Fasty - Intermittent Fasting | 4.7 / 5 (1,544) | Free | Sep 2, 2026 | Compare |
| Fasty: Fasting Tracker | 4.9 / 5 (7) | Free | Feb 15, 2026 | Compare |
| Suavita: Fasting Tracker App | 4.6 / 5 (3,669) | Free | Feb 5, 2026 | Compare |
| Fasting + Intermittent Fasting | 4.8 / 5 (6,825) | Free | Jun 28, 2025 | Compare |
| Fasting Tracker & Diet App | 4.6 / 5 (12,420) | Free | Feb 5, 2025 | Compare |