82
BU Score
Excellent
Intervallfasten Fasting
✍️ BU Analytics Review
“
Intervallfasten Fasting is an iOS app from Kai Oelfke in the Health & Fitness category, currently rated 4.9★ across 46,565 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 82 — Excellent (strong product-market fit). For a Health & Fitness app, that means strong product-market fit.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 10 of 10 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (46,565 ratings)METRIC | +$5,500 | |
| Excellent rating (4.9★)METRIC | +$2,200 | |
| 5 starREVIEW | +$1,800 | |
| great valueREVIEW | +$1,600 | |
| excellent appREVIEW | +$1,500 | |
| Multilingual (28 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| annoying adsREVIEW | −$1,100 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Growing app (3y old)METRIC | +$200 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
Apr 26
May 26
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 92 MB🔞 12+📱 iOS 17.0+🔖 v0.0.96🔄 updated 2mo ago🌐 HR, CS, DA, NL, EN +23📂 Health & Fitness💰 Paid🚀 Launched 2023 (3y old)
📝 About this app
No ads. No account / sign up. Just fasting.
Introducing the simplest, most privacy-friendly intermittent fasting tracker app on the App Store! With support for the iPhone and Apple Watch, this app has everything you need to stay on track with your fasting goals.
This app comes with all the essential features, including interactive Widgets, Notifications, Streaks, Badges, Charts, Trends, Fasting Zones, iCloud Sync, and Dark Mode. And best of all, there are no ads to distract you from your fasting journey.
The focus is to provide a simple and easy-to-use UI. And with no ads you can rest assured that this app is truly here to support your health and wellness goals.
So whether you're just getting started with intermittent fasting or you're a seasoned pro, this app is the perfect tool to help you stay on track. Download it today and start achieving your fasting goals in a simple, easy, and privacy-friendly way.
Fasty contains one time and recurring (subscription based) donations.
Privacy Policy: Fasting doesn't track anything. For donations RevenueCat generates an anonymous identifier to enable donations. http://fastyfasting.com/
Terms of Service: App Store Standard EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Introducing the simplest, most privacy-friendly intermittent fasting tracker app on the App Store! With support for the iPhone and Apple Watch, this app has everything you need to stay on track with your fasting goals.
This app comes with all the essential features, including interactive Widgets, Notifications, Streaks, Badges, Charts, Trends, Fasting Zones, iCloud Sync, and Dark Mode. And best of all, there are no ads to distract you from your fasting journey.
The focus is to provide a simple and easy-to-use UI. And with no ads you can rest assured that this app is truly here to support your health and wellness goals.
So whether you're just getting started with intermittent fasting or you're a seasoned pro, this app is the perfect tool to help you stay on track. Download it today and start achieving your fasting goals in a simple, easy, and privacy-friendly way.
Fasty contains one time and recurring (subscription based) donations.
Privacy Policy: Fasting doesn't track anything. For donations RevenueCat generates an anonymous identifier to enable donations. http://fastyfasting.com/
Terms of Service: App Store Standard EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
🆕 What's New · v0.0.96
- Bug fixes and stability improvements
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Intervallfasten Fasting
- Developer
- Kai Oelfke
- Bundle ID
- de.kaioelfke.Fasting
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- 12+
- Languages
- HR, CS, DA, NL, EN, FI, FR, DE, EL, HU, ID, IT, JA, KO, MS, NB, PL, PT, RO, RU, ZH, SK, ES, SV, TH, TR, UK, VI
Company
- Website
- fastyfasting.com
- Tagline
- Track your fasting intervals
- Description
- Intermittent Fasting Timer App for iOS and watchOS.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $30.0K/mo
- Top-grossing rank
- Outside top 100 in US Health & Fitness
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
⭐Recent App Store Reviews49 latest · avg 4.92★ · 91.8% 5★ · 0% 1★
5★45 (92%)
4★4 (8%)
3★0 (0%)
2★0 (0%)
1★0 (0%)
+26 ratings/week
Praise: great ×12 love ×10 perfect ×4 amazing ×2 recommend ×1Complaints: subscription ×4
Top positive
★★★★★ Very easy to use!
It isn’t bombarding you with notifications but still reminds you of your progress which is very helpful! Let’s you set any goal! Helped me lose weight efficiently and know what stages I’m going through during it! 10/10!…
★★★★★ Fasting to lose weight for the wedding 10 -10-26
I used a lot of different things to lose weight. I never found it so easy and so successful thank you very much.…
Top negative
★★★★☆ I lost 20lbs
I LOST 20LBS.…
★★★★☆ Great, simple app for fast tracking
Does what it says it does well, track your fast. None of the bloat that comes with other fasting apps. Easy to use and understand.…
📈Ratings growth46,565 ratings+2080% lifetimeShow 3-year history estimate ▾
Tracked (19 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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