FastSloth: Fasting Tracker
Darren Paul Health & Fitness iPhoneiPadiPod touch
FastSloth: Fasting Tracker is a free Health & Fitness app for iPhone and iPad by Darren Paul. Rated 5.0/5 from 5 ratings. Requires iOS 26.0.
- Rating
- 5.0
- 5 ratings
- Price
- Free
- on the App Store
- Size
- 10 MB
- Age 12+
- Updated
- Oct 26
- 2026 · v3.0.0
Screenshots
About FastSloth: Fasting Tracker
No account. No subscription. No data leaves your phone. FastSloth is a private intermittent fasting tracker with fasting insights, **calorie tracking, a personal recipe book**, hydration and weight tracking, Home Screen widgets, and **custom themes with a Theme Builder**. Start fasting in one tap. ## NEW: CALORIE TRACKER & RECIPE BOOK Track your daily calories alongside your fasting progress. Log meals and foods throughout the day, see your calorie totals at a glance, and keep everything together in one simple place. Save your favorite meals in your personal Recipe Book so you can quickly reuse recipes and keep track of what you eat. ## THEMES & THEME BUILDER Choose a built-in theme or create your own. Customize colors and appearance with the Theme Builder and make FastSloth feel like yours. ## FASTING MADE SIMPLE Start with one tap. Choose 16:8, 14:10, 18:6, 20:4, OMAD, or create a custom fasting schedule. See estimated fasting stages as you progress, including fat burning, ketosis, and autophagy. ## CALORIE TRACKING Log your meals and track your daily calorie intake. See how your nutrition fits alongside your fasting schedule, hydration, and weight progress. ## RECIPE BOOK Save and organize your favorite recipes directly in FastSloth. Keep the meals you make most often close at hand and quickly reuse them when tracking what you eat. ## HYDRATION Log water in seconds, track daily progress, and set hydration reminders. See your progress from the Home Screen with the hydration widget. ## WEIGHT & INSIGHTS Track your weight over time with simple charts that make trends easy to see. ## SMART NOTIFICATIONS * Fast start and end alerts * Fasting stage notifications * Water reminders ## STREAKS & MILESTONES Track completed fasts, build streaks, and unlock milestone badges. ## HOME SCREEN WIDGETS See your current fast, hydration progress, and streak without opening the app. ## PRIVATE BY DESIGN No account. No subscription. Your fasting history, calorie logs, recipes, weight, hydration logs, and settings stay on your device. ## FASTING PROTOCOLS * **16:8** * **14:10** * **18:6** * **20:4** * **23:1 / OMAD** * **Custom schedules** Private. Personal. Lightweight. **Download FastSloth and start fasting your way.**
Ratings & reviews
5.0
5 ratings
What’s new
Version 3.0.0 · Updated October 26, 2026
- Track your fast from the Lock Screen and Dynamic Island with a new Live Activity. - See your fasting timer, progress, and goal time in the medium Home Screen widget. Start or end a fast from a widget, and log water from the water widget. - Use Siri or Shortcuts to start or end a fast, check progress, log water, and open articles. - Try the free Halloween theme in light or dark mode.
App privacy
The developer, Darren Paul, reported these privacy practices to Apple.
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:
- Purchases: Purchase History
- Usage Data: Product Interaction
Used for: Analytics
Alternatives to FastSloth: Fasting Tracker
Looking for apps like FastSloth: Fasting Tracker? Here are 6 similar apps on the App Store. The highest rated is EasyFasting: Fasting Tracker (4.8/5), and all 6 are free to download.
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EasyFasting: Fasting Tracker
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Fasting Easy: Fast Weight Loss
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Simple fasting app: Timo
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FitDad Club
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Buff: Health & Progress
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Dreamlab Control
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| FastSloth: Fasting Tracker | 5.0 / 5 (5 ratings) | Free | October 26, 2026 | |
| EasyFasting: Fasting Tracker | 4.8 / 5 (5) | Free | Sep 24, 2026 | Compare |
| Fasting Easy: Fast Weight Loss | 4.4 / 5 (8) | Free | May 29, 2026 | Compare |
| Simple fasting app: Timo | 4.8 / 5 (20) | Free | Oct 17, 2026 | Compare |
| FitDad Club | – | Free | Mar 9, 2026 | Compare |
| Buff: Health & Progress | – | Free | Sep 28, 2026 | Compare |
| Dreamlab Control | – | Free | Apr 28, 2024 | Compare |