FastFlow vs FastFlow
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
FastFlow
This app combines intermittent fasting, AI calorie counting, and water tracking to help users lose weight and stay hydrated. It features an AI coach for personalized guidance and progress tracking tools.
- AI calorie counter with photo tracking
- Smart intermittent fasting timer
- Water intake tracking and reminders
- AI fasting coach for personalized advice
- Progress tracking with streaks and graphs
- Multiple fasting protocols
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FastFlow is the smart intermittent fasting tracker, AI calorie counter, and water tracker that helps you lose weight, burn fat, and stay hydrated ā all with AI-powered guidance. Track your fasts. Count your calories with AI. Stay hydrated. All in one app. WHY FASTFLOW? Most health apps make you choose ā fasting OR calorie counting OR water tracking. FastFlow combines intermittent fasting, AI calorie tracking, water intake tracking, and an AI coach in one simple app ā so you actually stick with it and see results. AI CALORIE COUNTER & FOOD TRACKER Snap a photo of your meal and let AI estimate calories, macros, and nutrition instantly. No more manual searching through food databases. ⢠AI photo calorie estimator ā just snap and track ⢠Automatic macro breakdown (protein, carbs, fat) ⢠Food scanner with AI-powered nutrition recognition ⢠Daily calorie tracker with intake history ⢠Set calorie goals and track your deficit ⢠Works with any meal ā home cooked or restaurant SMART FASTING TIMER Start your fast with one tap. Choose from popular fasting protocols: ⢠16:8 ā The classic. 16 hours fasting, 8 hours eating ⢠18:6 ā Intermediate level for faster results ⢠20:4 ā The warrior protocol for experienced fasters ⢠Custom ā Set your own fasting and eating windows Watch your body enter different fasting zones in real time: ⢠Fed State (0-4 hours) ā Digestion and energy storage ⢠Fat Burning (4-12 hours) ā Your body switches to burning fat ⢠Ketosis (12-18 hours) ā Deep fat burning and mental clarity ⢠Autophagy (18+ hours) ā Cellular repair and regeneration Your fasting timer keeps running even when the app is closed. Get notified when you hit each zone and when your fast is complete. WATER TRACKER & HYDRATION REMINDER Staying hydrated is just as important as fasting. FastFlow tracks your daily water intake and sends smart reminders so you never forget to drink water. ⢠Set your daily water goal ⢠Quick-add buttons for common amounts ⢠Track glasses, bottles, or custom amounts ⢠Smart hydration reminders throughout the day ⢠See your daily and weekly water intake history MEET YOUR AI FASTING COACH Confused about fasting? Ask your AI coach anything: ⢠"Can I drink coffee during my fast?" ⢠"What should I eat to break my fast?" ⢠"Which fasting protocol is best for weight loss?" ⢠"How do I handle hunger during a fast?" Get instant, personalized answers based on your fasting history and goals. TRACK YOUR PROGRESS ⢠Fasting streak counter ⢠Weekly and monthly summaries ⢠Time spent in each fasting zone ⢠Weight tracking with trend graphs ⢠Water intake history and streaks ⢠Personal records and milestones FREE TO USE, PREMIUM TO UNLOCK MORE FastFlow is free with everything you need to start: ⢠3 fasting protocols (16:8, 18:6, 20:4) ⢠Water tracking with reminders ⢠Fasting timer with zone indicators ⢠3 AI coach messages per day ⢠Streak tracking and basic stats Upgrade to FastFlow Premium: ⢠All fasting protocols including custom ⢠Unlimited AI coach conversations ⢠Advanced analytics and weekly reports ⢠Personalized recommendations ⢠Custom water goals and smart reminders ⢠Streak protection (Joker Days) ⢠Ad-free experience Subscription: FastFlow Premium is available as an auto-renewing subscription. Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage and cancel subscriptions in your Apple ID Account Settings. Disclaimer: FastFlow is not a medical app and does not provide medical advice. AI calorie estimates are approximate and may be inaccurate. Consult a healthcare professional before starting any fasting, diet, or weight loss program. Not intended to diagnose, treat, cure, or prevent any disease. Privacy Policy: https://fastflowai.fit/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
FastFlow
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FastFlow is a lightweight fasting tracker and fasting timer for intermittent fasting plans like 16:8, 18:6, 20:4, and OMAD. It helps you start more easily, stay consistent, and better understand your own rhythm over time. With FastFlow, you can: - choose a common fasting plan or create your own custom schedule - start a fast in one tap and clearly track your duration and goal progress - receive start reminders, phase reminders, and goal reminders - keep a complete fasting history with add, edit, and delete support - review stats and weekly reports, including completions, streaks, and time trends - log weight alongside your fasting rhythm for longer-term reflection - generate share cards for completed fasts and weekly reports FastFlow is not a calorie-counting platform or a heavy social app. It is a calmer, lighter, and more reliable companion for building a fasting rhythm you can actually keep. Important: intermittent fasting is not suitable for everyone. If you are pregnant, breastfeeding, or have a medical condition or blood sugar concern, please consult a qualified healthcare professional first. Privacy Policy: https://fasting-nu.vercel.app/privacy Terms of Use: https://www.apple.com/legal/macapps/stdeula/
Screenshots
Verdict
The clearest difference is device support: FastFlow at 3 against FastFlow's 1. FastFlow also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. FastFlow sells 3 in-app purchases, starting at $1.99 per 7 days and FastFlow sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
FastFlow ships an update weekly, FastFlow every 5 days. Both last shipped on October 25, 2026.
| Parameter | FastFlow | FastFlow |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | ā |
| Update frequency | Weekly | Every 5 days ā better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | ā |
| Devices | iPhone, iPad, iPod ā better | iPhone |
| Requires iOS | 13.0 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 44 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Lit Games Publishing LTD | 굩é 锾 |
In-app purchases
FastFlow
- FastFlow Weekly Premium$1.997 Days
- FastFlow Premium ā Monthly Sub3 Days trial$4.991 Month
- FastFlow Premium ā Yearly Sub$29.991 Year
FastFlow
- FastFlow Pro Monthly$0.991 Month
- FastFlow Pro Yearly$9.991 Year









