InFuel
Fuel from Within by Fasting
Only for iPhone
Free · Designed for iPhone
iPhone
Fast smarter with InFuel—your AI-powered fasting coach for 24, 48, 72, or 100-hour fasts. Get real-time insights, reminders, and science-backed support.
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.
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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.
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The developer, Fishybear LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Fishybear LLC
- Size
- 2.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Fishybear, LLC