83
BU Score
Excellent
Perioden Kalender +
✍️ bumetric analysis
“
Perioden Kalender + is an iOS app from Aleksei Neiman in the Health & Fitness category, currently rated 4.8★ across 84,837 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 83: 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.
📊 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 (84,837 ratings)METRIC | +$5,500 | |
| Excellent rating (4.8★)METRIC | +$2,200 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Multilingual (33 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| annoying adsREVIEW | −$1,100 | |
| too expensiveREVIEW | −$1,000 | |
| Established app (6y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
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
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
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 →💾 41 MB🔞 12+📱 iOS 15.0+🔖 v2.7.6🔄 updated 3mo ago🌐 AR, CA, HR, CS, DA +28📂 Health & Fitness💰 Paid🚀 Launched 2019 (6y old)
📝 About this app
My Cycle is an app that helps you monitor your cycle. How often have you asked: "What date did my period start last month?" With our app, you won't have to keep that important information in your head. Take note of your menses in our app, and it will automatically remind you about the start of a new cycle several days before it happens.
If you're planning to get pregnant, this app tells you what days you are most likely to conceive.
Besides monitoring your cycle, you can keep track of other important information. Add important events related to your sex life. Add notes to remember such things as symptoms and mood changes. You can use this app as your personal journal.
My Cycle is made specially for women like you.
If you have any questions or requests, please write to neumandev@gmail.com. We are eager to hear your comments on how to improve the app.
If you're planning to get pregnant, this app tells you what days you are most likely to conceive.
Besides monitoring your cycle, you can keep track of other important information. Add important events related to your sex life. Add notes to remember such things as symptoms and mood changes. You can use this app as your personal journal.
My Cycle is made specially for women like you.
If you have any questions or requests, please write to neumandev@gmail.com. We are eager to hear your comments on how to improve the app.
🆕 What's New · v2.7.6
- Performance improvements and minor bug fixes.
Thank you very much for using our application.
Thank you very much for using our application.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Perioden Kalender +
- Developer
- Aleksei Neiman
- Bundle ID
- com.neiman.periodtracker
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- 12+
- Languages
- AR, CA, HR, CS, DA, NL, EN, FI, FR, DE, EL, HE, HI, HU, ID, IT, JA, KO, MS, NB, PL, PT, RO, RU, ZH, SK, ES, SV, TH, ZH, TR, UK, VI
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- 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
- $15.2K/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
- https://apps.apple.com/us/app/letterloop-group-newsletters/id6468623700
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- https://apps.apple.com/us/iphone/story/id1876455371
✨AI Revenue EstimateCONFIDENCE: LOW
No public revenue data was found for the iOS app "Perioden Kalender +" by Aleksei Neiman. Searches for this specific app and developer combination did not yield any revenue estimates from public sources like Sensor Tower, Statista, Adapty, Reddit, or founder claims.
⭐Recent App Store Reviews49 latest · avg 4.63★ · 75.5% 5★ · 0% 1★
5★37 (76%)
4★7 (14%)
3★4 (8%)
2★1 (2%)
1★0 (0%)
+8,778 ratings/week
Praise: love ×13 great ×12 recommend ×4 amazing ×3 best ×3Complaints: subscription ×2
Top positive
★★★★★ Great tracker
This app works so good! It notified me that I was ovulating and nine months later baby Connor is here!!! I would definitely recommend!…
★★★★★ It was good but confusing
as soon as you get it will be confusing, but the more you use it the less confusing it will get. I’ve used this app since February 2024 n it has helped a lot with tracking ur period and it will also tell u when ur most likely to get pregnan…
Top negative
★★☆☆☆ Not bad
They need to improve…
★★★☆☆ Great for most, but not for me.
I have irregular cycles and almost every time it says I have a 10+ day delay. One time my period lasted more than 3 weeks and it considered it another period, or if it takes longer than usual it thinks I forgot to put one in. Most of this i…
📈Ratings growth84,837 ratings+35% lifetimeShow 3-year history estimate ▾
Tracked (32 weeks) Pre-tracking estimate (35 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.
Full revenue analysis
Read the article-style breakdown for Perioden Kalender +: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.