Fasting Tracker vs InFuel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fasting Tracker
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Take control of your health with FastingAi, the ultimate intermittent fasting companion. Whether you're new to fasting or a seasoned pro, our easy-to-use timer helps you reach your wellness goals. Key Features: * Customizable fasting schedules * Real-time fasting tracker with progress bar * Multiple fasting protocols including 16/8, circadian rhythm, and more * Fasting history log to track your progress * Reminders to start and end fasts * Clean, intuitive interface Fast Track supports popular fasting methods: * 13-hour Circadian Rhythm Fasting * 16-hour Time-Restricted Eating * 18-hour Extended Fasting * 20-hour Warrior Diet * 36-hour Prolonged Fasting Start your fasting journey today with FastingAi - your personal guide to a healthier lifestyle through timed nutrition. Download now and unlock the potential of intermittent fasting!
InFuel
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Fuel from within. Transform your body, sharpen your mind, and unlock your full potential—one fast at a time. InFuel is your personal AI-powered fasting coach designed to guide you through 24, 48, 72, and 100-hour fasts with science-backed insights, real-time body updates, and motivational support every step of the way. Whether new to fasting or leveling up your current routine, InFuel keeps you informed, inspired, and in control. - - - - - - - - f e a t u r e s Custom Fast Timer -- Start, pause, or complete your fast anytime. Track your progress hour-by-hour with a clean, minimalist timer designed to keep you focused. Real-Time Body Insights -- Know exactly what’s happening in your body as you fast—ketosis, autophagy, fat-burning, and more. InFuel delivers detailed updates based on your current hour of fasting. AI-Powered Fasting Coach -- Ask questions, get encouragement, or dive into the science behind fasting with your personal AI coach, available 24/7. Smart Reminders -- Get hydration alerts, motivational quotes, and helpful tips—timed around your fasting schedule and sleep preferences. Learn View -- Explore swipeable cards packed with knowledge about fasting safety, the stages of fat-burning, autophagy, and refeeding guidance. Sleep-Aware Notifications -- InFuel adjusts to your sleep schedule so you can rest without unnecessary alerts. Refeed Guidance -- Finish strong. InFuel provides safe, smart recommendations for breaking your fast to avoid bloating and discomfort. Fasting isn’t about going without—it’s about going within. InFuel is built to help you find clarity, discipline, and strength through intentional fasting. Download InFuel today and take the first step toward mastering your fast—one hour at a time.
Screenshots
Verdict
The clearest difference is update cadence: Fasting Tracker at every 4 days against InFuel's every 10 months. Fasting Tracker also leads on device support (3 vs 1) and iOS requirement (15.3 vs 18.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Fasting Tracker ships an update every 4 days, InFuel every 10 months. The most recent releases landed on August 18, 2026 and September 17, 2026 respectively.
| Parameter | Fasting Tracker | InFuel |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.3 — better | 18.0 |
| Further details — not scored | ||
| Size | 42 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Days Until LTD | Fishybear LLC |
In-app purchases
Fasting Tracker
No in-app purchases
InFuel
No in-app purchases









