Fasting Window - IF Timer
HeungYeol Kim Health & Fitness iPhoneiPadiPod touch
Fasting Window - IF Timer is a free Health & Fitness app for iPhone and iPad by HeungYeol Kim. Requires iOS 13.0. Updated October 11, 2026.
- Price
- Free
- on the App Store
- Size
- 20 MB
- Age 4+
- Updated
- Oct 11
- 2026 · v1.0.1
Screenshots
About Fasting Window - IF Timer
Record your fasting time with a simple timer. TRACK YOUR TIME • Select 16:8, 18:6, 20:4, OMAD, or the Custom preset • Circular progress ring with elapsed-time ranges • Notification at your selected time goal, when permission is granted KEEP YOUR RECORDS • Local fasting history and streak count • Existing weight records remain stored on your device SAFETY INFORMATION The timer does not measure metabolism, ketosis, or autophagy. It does not diagnose conditions or provide medical advice. Goals are personal settings, not recommendations to fast longer. Talk with your healthcare provider before trying fasting, especially if you are under 25, pregnant or breastfeeding, or taking medication. Source: NIH News in Health, December 2019; https://newsinhealth.nih.gov/2019/12/fast-or-not-fast
What’s new
Version 1.0.1 · Updated October 11, 2026
- Elapsed-time labels replace the previous metabolic stage claims. - Added fasting safety information with its source. - Removed the unused purchase screens. - Your fasting history and timer settings are kept.
App privacy
The developer, HeungYeol Kim, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Fasting Window - IF Timer
Looking for apps like Fasting Window - IF Timer? Here are 6 similar apps on the App Store. The highest rated is Fasting Well: IF Timer (5.0/5), and all 6 are free to download.
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Trimly - AI Calorie Tracker
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FastLyfe: Fasting Tracker
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Hone: Intermittent Fasting
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Somnara: Sleep Debt Tracker
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Fasting Well: IF Timer
5.0
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SOL — Fasting Timer & Tracker
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Fasting Window - IF Timer | – | Free | October 11, 2026 | |
| Trimly - AI Calorie Tracker | – | Free | Aug 24, 2026 | Compare |
| FastLyfe: Fasting Tracker | – | Free | May 29, 2026 | Compare |
| Hone: Intermittent Fasting | – | Free | May 4, 2026 | Compare |
| Somnara: Sleep Debt Tracker | – | Free | Sep 30, 2026 | Compare |
| Fasting Well: IF Timer | 5.0 / 5 (2) | Free | Sep 7, 2026 | Compare |
| SOL — Fasting Timer & Tracker | – | Free | Oct 15, 2026 | Compare |