iF vs interfasting
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iF
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iF - InterFast makes intermittent fasting simple and helps you adopt a healthy lifestyle. Intermittent fasting brings several health benefits and has helped thousands of people lose weight and be healthier. With iF - InterFast, you can easily add your meals, drinks and activities to monitor your daily calorie count. Performance is saved and can be viewed in the stats. Monitor and record your weight at regular intervals and track your progress. iF -InterFast also calculates your TDEE which serves as a guide in monitoring your calorie intake and can read your active calorie burnt from Health App.
interfasting
This app helps users achieve wellness goals through intermittent fasting. It offers custom fasting plans, real-time progress tracking, and detailed statistics on fasting success and weight changes. The app prioritizes privacy with local data storage and no account creation required.
- Custom fasting plans (16:8, 18:6, 20:4)
- Real-time progress countdown
- Session history and statistics
- Weight tracking and visualization
- Success/failure tracking
- Data export for healthcare providers
- Local data storage for privacy
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https://www.apple.com/legal/internet-services/itunes/dev/stdeula/I nterFasting - Your Complete Fasting Companion Transform your health journey with InterFasting, the ultimate fasting timer designed to help you achieve your wellness goals through intermittent fasting. CORE FEATURES: • Custom Fasting Plans: Choose from popular protocols like 16:8, 18:6, 20:4, or create your own custom fasting schedule • Real-Time Progress Tracking: Beautiful circular progress indicator shows your fasting progress with live countdown • Session History & Statistics: Track your fasting success rate, longest streaks, and overall progress over time • Weight Tracking: Monitor your weight changes with detailed statistics and progress visualization • Personalized Experience: Get personalized greetings and insights based on your profile COMPREHENSIVE TRACKING: • Success/Failure Tracking: Automatically marks sessions as successful or failed based on your goals • Detailed Statistics: View your current streak, longest streak, success rate, and total sessions • Weight Progress: Track weight changes with weekly averages and total progress • Export Your Data: Share your fasting history and statistics with healthcare providers BEAUTIFUL DESIGN: • Clean, intuitive interface optimized for both iPhone and iPad • Smooth animations and transitions • Dark mode support • Responsive design that adapts to your device HELPFUL RESOURCES: • Built-in Help & FAQ section with fasting tips and guidance • Educational content about intermittent fasting benefits • Best practices for successful fasting PRIVACY FIRST: • All data stored locally on your device • No account creation required • Your health data stays private and secure Perfect for beginners and experienced fasters alike, InterFasting provides everything you need to make intermittent fasting a sustainable part of your healthy lifestyle. Start your fasting journey today and discover the benefits of time-restricted eating. Download InterFasting and take control of your health journey!
Screenshots
Verdict
The clearest difference is update cadence: interfasting at every 5 days against iF's every 2 months. On price, ads, in-app purchases and device support 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. iF sells 3 one-off in-app purchases and interfasting sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
iF ships an update every 2 months, interfasting every 5 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | iF | interfasting |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 45 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Hans Babylone | Ivan Morel |
In-app purchases
iF
- Intermediate level$2.99
- Experienced Level$3.99
- Personalized & Statistics$4.99
interfasting
- InterFasting Pro$9.991 Month
- InterFasting Pro (Yearly)$108.991 Year









