Fasty vs iFast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fasty
This app helps users track intermittent fasting by monitoring fasting days and eating periods. It supports weight tracking in both pounds and kilograms and does not collect user data.
- Intermittent fasting tracking
- Weight tracking
- Fasting day monitoring
- Eating period logging
- Pound and kilogram support
- No data collection
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Fasty: the Fasting Tracker helps you track your weight, the days you fast, and when you eat on non-fasting days (intermittent fasting). Fasty doesn't track any of your data, is free, and supports pounds and kilograms.
iFast
This app helps you track your fasting periods and monitor your progress towards your health goals. It supports various popular fasting methods, including circadian rhythm fasting and intermittent fasting schedules.
- Track fasting periods
- Monitor progress
- Support for popular fasting types
- Circadian rhythm fasting
- Intermittent fasting schedules
- Custom prolonged fasts
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iFast is your all-in-one intermittent fasting and healthy-living companion, and it is about far more than a timer. FASTING, DONE RIGHT • Any protocol: 14:10, 16:8, 18:6, OMAD or a custom window • A live timer with metabolic zones so you can see what your body is doing • Streaks, history and gentle reminders that keep you consistent HOME SCREEN AND LOCK SCREEN WIDGETS • The medium widget puts your fast, water, steps and food at a glance • A live countdown to your goal, so you always know how long is left • A small size for your fast and streak, plus Lock Screen widgets on iOS 16 and later • Tap a row in the medium widget to jump straight to logging it A COACH IN YOUR POCKET • Ask Ember, your personal coach, about fasting, food or training • Grounded, personalized guidance based on your goals and your logs ACCOUNTABILITY CIRCLES • Get matched into a small group on the same journey • Encourage each other and stay on track together TRACK WHAT MATTERS • Weight, water, steps, workouts and body measurements • Snap a photo of your meal for instant calorie and macro estimates • Clean charts that turn your data into visible progress APPLE HEALTH • Two-way sync so all your health data stays in one place iFast Pro unlocks photo meal analysis, higher coach limits and more. iFast Pro is an auto-renewable subscription. Payment is charged to your Apple ID at confirmation of purchase. It renews automatically unless canceled at least 24 hours before the end of the period; manage or cancel in your App Store account settings. Terms of Use: https://manuongithub.github.io/FastTrackerPolicies/termsofuse.html Privacy Policy: https://manuongithub.github.io/FastTrackerPolicies/privacypolicy.html
Screenshots
Verdict
The clearest difference is ads: Fasty at none against iFast's shown. Fasty also leads on rating (4.9 vs 4.6) and review sentiment (100% vs 86%). iFast's advantage is update cadence (every 3 days vs every 16 months) and ratings volume (22 vs 7). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.
Fasty holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 7 and 22 respectively. Written reviews point the same way: 100% of Fasty's written reviews are positive against 86% of iFast's.
Fasty ships an update every 16 months, iFast every 3 days. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.
| Parameter | Fasty | iFast |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (7 ratings) — better | 4.6 (22 ratings) |
| Positive reviews | 100.0% of reviews — better | 85.7% of reviews |
| Number of ratings | 7 | 22 — better |
| Update frequency | Every 16 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 2 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Forest and the Trees, LLC | Manu Mehrotra |
Customer experience
Fasty
iFast
In-app purchases
Fasty
No in-app purchases
iFast
No in-app purchases








