Intermit vs Fastelle
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Intermit
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The intermittent fasting tracker you buy once and keep forever. No subscriptions, no ads, no account required. Just start your fast and let Intermit guide you through every metabolic stage. SMART FASTING TIMER Start, pause, and resume your fasts with a beautiful progress ring that shows your current metabolic stage โ from Fed all the way to Autophagy. Choose from 13 popular protocols (12:12, 14:10, 16:8, 18:6, 20:4, OMAD, and more) or build your own custom schedule. CYCLE-SYNCED FASTING Sync your fasting to your menstrual cycle. Intermit suggests gentler protocols during your luteal and menstrual phases, and more ambitious ones when your body is primed for fat burning and ketosis. Track your period, view your current phase, and get personalized protocol recommendations tailored to your cycle. METABOLIC STAGES See exactly where you are in your fast โ from the Fed state through Fat Burning, Ketosis, Deep Ketosis, and Autophagy โ with clear explanations of what is happening in your body at each stage. HISTORY & STATISTICS Review every completed fast, track your streaks, averages, and protocol breakdown. Export your data as CSV anytime: your data is yours, always. PRIVACY FIRST All data stays on your device. No account required, no cloud sync, no tracking, no analytics. Your health data never leaves your phone. ONE-TIME PURCHASE Pay once, use forever. No subscriptions, no hidden fees, no ads. Intermit is yours for life. --- Privacy Policy: https://getintermit.com/privacy-policy Terms of Service: https://getintermit.com/terms-of-service
Fastelle
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Built for your body, not his. Most fasting apps were designed around male physiology. One window, same hours every day, applied to everyone. That's not how your body works. You have a cycle, and your hormones change pretty much everything: hunger, energy, sleep, how recovery feels. Fastelle is built around that cycle instead of pretending it doesn't exist. Fasting that moves with your cycle Your hunger in week one is not the same animal as your hunger in week three. Fastelle knows where you are in your cycle and adjusts your windows accordingly. During your period it pulls things back. Through follicular and ovulation, when most women feel strongest, it lets you push a bit. Then in the luteal stretch, when cravings and fatigue usually spike, it eases off again. You stop white-knuckling through fasts that were never written with you in mind. See what's actually happening The timer walks you through the six stages of a fast, from rising blood sugar through fat burn into autophagy. Hour 14 looks different from hour 16, and the app shows you why, so the time stops feeling like dead waiting. Food that follows the same logic Log meals, calories, protein, carbs and fat in one place. Your daily targets shift with your phase, because day 2 you and day 14 you are basically two different people, nutritionally speaking. A plan that's actually yours No off-the-shelf protocol pulled from someone else's body. Your week is shaped by your cycle, your goals, and what you can realistically handle right now. You can see what's coming in the next phase, which makes it easier to plan groceries, workouts and social stuff around it. Progress you can see Fasting streaks, weekly hours, hydration, weight trend, nutrition. All in one view, so you can tell whether what you're doing is actually working. For PCOS, irregular cycles, and bodies that don't behave Fastelle works whether you've been fasting for years or you're just trying it this week. It doesn't assume your cycle is textbook regular. It doesn't assume your body is the same every day. For most women, it isn't. Download Fastelle. Full access to Fastelle requires an active subscription. Plans are available as a monthly or annual subscription with a 14-day free trial. Pricing is displayed on the subscription screen before any purchase is made. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel your subscription at any time in your Apple ID account settings. Terms of Use: https://fastelle.github.io/legal/terms Privacy Policy: https://fastelle.github.io/legal/privacy
Screenshots
Verdict
The clearest difference is update cadence: Fastelle at every 6 days against Intermit's monthly. 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. Intermit sells 1 one-off in-app purchase and Fastelle sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
Intermit ships an update monthly, Fastelle every 6 days. Both last shipped on September 13, 2026.
| Parameter | Intermit | Fastelle |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 6 days โ better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 15.0 โ better | 15.1 |
| Further details โ not scored | ||
| Size | 33 MB | 53 MB |
| Age rating | 4+ | 17+ |
| Developer | Sara El Harkaoui | ADIKARI APPUHAMILAGE ADIKARI |
In-app purchases
Intermit
- Lifetime Access$4.99
Fastelle
- Fastelle Pro Monthly14 Days trial$5.991 Month
- Fastelle Pro Yearly14 Days trial$39.991 Year









