Just Fasting vs FastFast
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Just Fasting
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ust Fasting is built to stay out of your way. Open the app and start fastingβno clutter, no noise. Start fasts your way β’ 16-hour fast β one tap, last meal is now (adjust if you need to). β’ Custom fast β pick hours (1β72) or longer fasts in days (4+), with no upper limit on days in the picker. β’ Last meal time defaults to now but you can change it if you finished eating earlier. Stay oriented A large countdown and an arc show how far youβve come through your fast. When you hit your goal, wrap up with a tap. See your progress Statistics include total fasts, total time fasted, average length, longest fast, current streak, and best streak. The app remembers your last fast length so starting the same routine again is quick.
FastFast
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FastFast - Fasting, Food & Steps Track calories, fast smarter, and hit your step goals - without ever opening the app. FastFast turns your three healthiest habits into one beautifully simple experience. No bloat. Just the tools you'll actually use, right where you'll see them: your Home Screen. YOUR HOME SCREEN, YOUR COACH Widgets are the whole idea. Pin your fasting timer, calorie ring, or daily step progress wherever you'll glance One tap to log a meal. One tap to scan a plate. One tap to check the timer. The fewer times you open the app, the better it's working. EVERYTHING YOU NEED. FREE. Calorie Tracking - log meals in seconds with a clean, fast form AI Food Scanner - snap a photo and let Apple Intelligence estimate the calories for you* 16:8 Fasting Timer - a beautiful ring that shows exactly where you are in your eating window Step Tracking - syncs with Apple Health and celebrates every milestone Gentle Reminders - get notified when your eating window opens and closes Calendar History - scroll back through any day, see your streaks build BUILT FOR iOS, BUILT FOR YOU Private by design - your data stays on your device Apple Health integration - your steps, automatically THE CATCH? THERE ISN'T ONE. The core experience - fasting, calorie logging, step tracking, widgets, reminders - is completely free. We mean it. Download FastFast. Build the habits. Watch them stick. *AI food scanning requires a device that supports Apple Intelligence on iOS 26 or later.
Screenshots
Verdict
Just Fasting and FastFast are too close to call on the numbers: across 5 compared parameters β price, ads, in-app purchases and device support among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Just Fasting | FastFast |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | β |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.4 | 26.0 β better |
| Further details β not scored | ||
| Size | 2 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthew Clark | Parsa Nasirimehr |
In-app purchases
Just Fasting
No in-app purchases
FastFast
No in-app purchases









