iF vs FastTrak
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
iF
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iF - InterFast makes intermittent fasting simple and helps you adopt a healthy lifestyle.ย 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.
FastTrak
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FastTrak is the fasting companion for people who want more than a countdown timer. Start a fast in one tap and follow your progress with live, personalized fasting insights, weight tracking, widgets, and powerful analytics. FastTrak is built for iPhone, integrates with Apple Health, and is designed with privacy in mind. FASTING TIMER - Start a fast in one tap with a beautiful progress ring - Supports 16:8, 18:6, 20:4, OMAD, and custom fasting windows - Edit your start time or goal duration at any time - Weekly ring view shows your last 7 days at a glance LIVE FASTING INSIGHTS - Estimated fat use - Estimated calories used - Estimated glycogen remaining - Money saved based on your grocery cost - Steps taken while fasting - Weight trend over the past week Every estimate is clearly labeled and includes an explanation of how it is calculated. WEIGHT TRACKING - Log weight manually or import from Apple Health - Set a goal weight and see it on your chart - View progress by week, month, or year - Schedule weigh-in reminders on the days you choose APPLE HEALTH INTEGRATION - Reads steps, active energy, body mass, height, date of birth, and biological sex - Uses Mifflin-St Jeor BMR for personalized energy estimates - Syncs weight entries with Apple Health - Keeps your health data on your device WIDGETS FOR HOME & LOCK SCREEN - Progress ring widget for small, medium, circular, rectangular, and inline sizes - Live updates while you are fasting - Activity heatmap widget showing weeks of fasting history (Plus) ANALYTICS WITH FASTTRAK PLUS - 52-week fasting activity heatmap - Weight vs. fasting correlation chart - Weekly fasting hours over 12 weeks - Average fasting duration trend - Cumulative estimated fat use and money saved - Fasting pattern distribution by start and end time - Full fast history DESIGNED FOR PRIVACY FastTrak keeps your fasting history and health data on your iPhone. There are no accounts, no social features, no ads, and no server required to use the app. FastTrak provides wellness estimates only and is not medical advice. Privacy Policy: https://www.bluebry.com/fasttrak/privacy Terms of Use: https://www.bluebry.com/fasttrak/terms
Screenshots
Verdict
The clearest difference is iOS requirement: iF at 18.0 against FastTrak's 26.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. iF sells 12 one-off in-app purchases and FastTrak sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | iF | FastTrak |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | โ |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 โ better | 26.0 |
| Further details โ not scored | ||
| Size | 45 MB | 20 MB |
| Age rating | 4+ | 12+ |
| Developer | Hans Babylone | Bluebry |
In-app purchases
iF
- Mediterranean Chicken$0.99
- Fish Fillet in Tomatoes Garlic$0.99
- Grilled Shrimp with Salsa$0.99
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- Salmon with Mango Salsa$0.99
- Guacamole On Toast With Salad$0.99
- Peppered Beef With Asparagus$0.99
- Cauliflower Pizza$0.99
- Chocolate Cupcake$0.99
- Keto Pancake$0.99
- Intermediate level$2.99
- Experienced Level$3.99
- Personalized & Statistics$4.99
FastTrak
- FastTrak Plus Mensual7 Days trial$9.991 Month
- FastTrak Plus Anual7 Days trial$49.991 Year









