FastLeaf
SEONYONG LEE Health & Fitness iPhoneiPadiPod touch
FastLeaf is a free Health & Fitness app for iPhone and iPad by SEONYONG LEE. Requires iOS 15.0. Updated July 30, 2026.
- Price
- Free
- on the App Store
- Size
- 96 MB
- Age 4+
- Updated
- Jul 30
- 2026 · v1.0.1
Screenshots
About FastLeaf
FastLeaf makes intermittent fasting simple and easy to stick with. ■ Live Fasting Timer See exactly how long you've been fasting and how far you are from your goal. It stays accurate even if you close the app or restart your phone — elapsed time is based on your real start time. ■ Your Body, Stage by Stage Digestion → blood sugar → fat burning → ketosis → autophagy. See what stage your body is in right now and how long until the next one. ■ 6 Proven Protocols From 12:12 to 16:8, 18:6, 20:4 and OMAD (23:1). Pick the plan that fits you, beginner to advanced. ■ History & Streaks Log every fast and build your streak. A 15-week heatmap and session history make consistency visible. ■ Insights Average and longest fasts, goal completion rate and weekly trends — all in clear stats. ■ Reminders Get notified when you reach your goal and when your eating window ends. FastLeaf Pro (one-time lifetime purchase) · All protocols · Unlimited history · Full body-state timeline · Advanced stats · Home widget · No ads No subscription. Pay once, yours forever. Note: This app is for general wellness information and is not medical advice. Consult a professional if you are pregnant or have a condition such as diabetes.
What’s new
Version 1.0.1 · Updated July 30, 2026
Improved the ad system for better stability and performance.
App privacy
The developer, SEONYONG LEE, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
Used for: Third-Party Advertising
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| FastLeaf | – | Free | July 30, 2026 | |
| 断食时钟 — 计时记录与提醒 | – | Free | May 17, 2026 | Compare |
| 168 Fasting | – | Free | May 4, 2026 | Compare |
| SuppLife: Supplement Tracker | – | Free | Aug 20, 2026 | Compare |
| YaseNote · 辟谷打卡 | – | Free | Jun 15, 2026 | Compare |
| Intermittent Fasting - Biwo | – | Free | Sep 25, 2026 | Compare |
| 懒猫轻断食-不节食不运动无痛减肥&一键锁外卖 | – | Free | Sep 22, 2026 | Compare |
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