InFuel vs Intermittent Fasting
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Intermittent Fasting
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Fasting works best when you can see it working. MindFast is the intermittent fasting app built native for iOS: beautiful timer, smart insights, and an on-device AI coach that respects your privacy. WHY MINDFAST IS DIFFERENT - Private by design. Your data stays on your device. No account required, no tracking, no cloud. - On-device AI Coach. Powered by Apple's Foundation Models, your coach works offline and learns nothing about you. - Built native for iOS 18 and iOS 26. Live Activity, Lock Screen widgets, and Home Screen widgets included. FASTING SCHEDULES THAT FIT YOUR LIFE - 16:8, 18:6, 20:4, OMAD, and custom durations - 5:2 weekly schedule - Alternate-day fasting - Ad-hoc fasts for when life happens TRACK WHAT MATTERS - Live fasting timer with stage tracking — see when fat-burning starts and when autophagy kicks in - Weight, energy, sleep, and overall health goals with progress charts - Streaks, monthly medals, and an XP system to keep momentum - Fasting journal to log how you feel during each fast SMART INSIGHTS - Daily, weekly, and monthly summaries of your progress - AI-generated reports — entirely on your device, never sent to a server - Pattern recognition to surface which schedules work best for you APPLE HEALTH READY Sync weight, sleep, and active energy with Apple Health. Read-only by default — you stay in control of what's shared. TRY YOUR FIRST FAST FREE Start fasting in seconds — your first fast unlocks every premium feature with no card and no account required. After your first fast, MindFast Premium is available monthly or annually. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: InFuel at none against Intermittent Fasting's 3. Intermittent Fasting's advantage is update cadence (every 2 months vs every 10 months). On price, ads, device support and iOS requirement 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. Intermittent Fasting sells 3 in-app purchases, starting at $4.99 per month. InFuel asks for nothing beyond the download.
InFuel ships an update every 10 months, Intermittent Fasting every 2 months. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.
| Parameter | InFuel | Intermittent Fasting |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 18 |
| Further details — not scored | ||
| Size | 2 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Fishybear LLC | AXIOM SLATE PTE. LTD. |
In-app purchases
InFuel
No in-app purchases
Intermittent Fasting
- MindFast Premium Monthly7 Days trial$4.991 Month
- MindFast Premium Annual7 Days trial$39.991 Year
- MindFast Premium Lifetime$69.99
Questions
Is InFuel free?
Is Intermittent Fasting free?
Do InFuel or Intermittent Fasting have ads?
Which is updated more often, InFuel or Intermittent Fasting?
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