# FastFlow: Fasting & Water App > FastFlow: Fasting & Water App (iPhone/iPad app by LIT GAMES PUBLISHING LTD.) - Source: https://appshunter.io/ios/app/fastflow-fasting-and-water-app/id6760019921 (this page in markdown: same URL + `.md`) - Developer: [LIT GAMES PUBLISHING LTD](https://appshunter.io/developer/1565278669) - Category: Health & Fitness - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 13.0 · 44 MB - Languages: English - Released: 2026-03-07 - Data updated: 2026-07-09 - User reviews in markdown: https://appshunter.io/ios/app/fastflow-fasting-and-water-app/id6760019921/reviews.md ## What is FastFlow? FastFlow is the smart intermittent fasting tracker, AI calorie counter, and water tracker that helps you lose weight, burn fat, and stay hydrated — 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 — 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 — 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 — 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 — home cooked or restaurant SMART FASTING TIMER Start your fast with one tap. Choose from popular fasting protocols: • 16:8 — The classic. 16 hours fasting, 8 hours eating • 18:6 — Intermediate level for faster results • 20:4 — The warrior protocol for experienced fasters • Custom — Set your own fasting and eating windows Watch your body enter different fasting zones in real time: • Fed State (0-4 hours) — Digestion and energy storage • Fat Burning (4-12 hours) — Your body switches to burning fat • Ketosis (12-18 hours) — Deep fat burning and mental clarity • Autophagy (18+ hours) — 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/ ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | FastFlow Premium — Monthly Sub | $4.99 | per month | | FastFlow Premium — Yearly Sub | $29.99 | per year | | FastFlow Weekly Premium | $1.99 | per 7 days | ## Version history (last 1 release) ### 1.01 — 2026-03-14 Bugs Fixed and Optimised ## More apps by LIT GAMES PUBLISHING LTD - [Baby Games: Music & Animal Zoo](https://appshunter.io/ios/app/baby-games-music-and-animal-zoo/id1565278667) - [Pop It: ASMR Fidget Games 3D](https://appshunter.io/ios/app/pop-it-asmr-fidget-games-3d/id1586445230) - [Skilled: Challenging Fun Games](https://appshunter.io/ios/app/skilled-challenging-fun-games/id1611319654) - [Jumbled Up: Word Puzzle Games](https://appshunter.io/ios/app/jumbled-up-word-puzzle-games/id1615929722) - [Word Hunt- Unlimited Word Game](https://appshunter.io/ios/app/word-hunt-unlimited-word-game/id1619474650) - [Tiny Talkers:Kids Speech Games](https://appshunter.io/ios/app/tiny-talkerskids-speech-games/id6504560936) All apps by LIT GAMES PUBLISHING LTD: https://appshunter.io/developer/1565278669 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-09.*