FastFast vs Water Fasting
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Water Fasting
Track your fasting journey with a visually engaging water orb timer. Understand your body's stages, log hydration, and gain personalized wellness insights. Offers science-backed information and a premium minimalist design.
- Living water orb timer with gyroscope physics
- Six science-backed fasting stages
- Hydration and wellness logging
- Personalized wellness insights
- Premium minimalist design
- Data export
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Watch a living water orb fill as you fast. Real gyroscope physics make it slosh when you tilt your phone. Track six science backed fasting stages, log hydration, and understand what your body is doing during every hour of your fast. A Living Water Orb Timer A stunning glass orb fills with water as you fast. Real time gyroscope physics make the water slosh when you tilt your phone. Rising bubbles and fluid motion make your fast feel tangible and alive. Six Science Backed Fasting Stages From Fed State to Deep Ketosis, understand what happens in your body at every phase. All content is peer reviewed and source cited. No blogs, no hype, just science. Smart Wellness Tracking Log your water intake, check in on your energy, mood, and focus. Get personalized wellness insights that connect your hydration with how you feel. The app recommends when to drink water, rest, or adjust based on your check in scores. Beautiful Premium Design Deep ocean inspired dark theme with Apple style glass UI elements. Every screen is crafted with premium minimalism, clean typography, fluid animations, and thoughtful interactions. Free Features Basic fasting timer with water orb Water logging with 250 ml quick add Fed State information 16 to 8 and 24 hour fasting routines Pro Features Seven day free trial for all Pro features, then 59.99 USD per year Monthly option available at 9.99 USD per month All six fasting stages explained Full water tracking with custom goals Wellness check in and smart insights All routines including 36 hour, 48 hour, and 72 hour fasts Adjust start and end time Pause and resume fasting Peer reviewed educational library Safe refeeding protocols Smart notifications and reminders Export your data Your Privacy Matters Your fasting data, water logs, mood scores, and journal entries stay on your device. We never transmit health data. Anonymous opt out usage analytics, limited to event names only and without health values, help us improve the app. Sign in with Apple is optional. Local first by design. Medical Disclaimer This app is for general wellness and educational purposes only. Always consult a healthcare professional before fasting. Start your mindful fasting journey today.
Screenshots
Verdict
The clearest difference is in-app purchases: FastFast at none against Water Fasting's 2. Water Fasting's advantage is iOS requirement (18.0 vs 26.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Water Fasting sells 2 in-app purchases, starting at $9.99 per month. FastFast asks for nothing beyond the download.
| Parameter | FastFast | Water Fasting |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | — | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 18.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 19 MB |
| Age rating | 4+ | 12+ |
| Developer | Parsa Nasirimehr | SUKRU DEMIR |
In-app purchases
FastFast
No in-app purchases
Water Fasting
- Water Fasting Pro$9.991 Month
- Water Fasting Pro1 Year trial$59.991 Year









