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81
BU Score
Excellent

Mein Menstruations-Kalender

4.8 ✍️ Editor
✍️ BU Analytics Review

Mein Menstruations-Kalender is an iOS app from SimpleInnovation LLC in the Health & Fitness category, currently rated 4.8★ across 52,317 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 81Excellent (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
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since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue 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 9 of 9 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Mid install base (52,317 ratings)METRIC
+$5,500
Paid app ($0.00)METRIC
+$2,800
Excellent rating (4.8★)METRIC
+$2,200
5 starREVIEW
+$1,800
excellent appREVIEW
+$1,500
Mature app (10y old)METRIC
+$1,500
Multilingual (23 languages)METRIC
+$1,500
highly recommendREVIEW
+$1,400
too expensiveREVIEW
−$1,000
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative 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

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 159 MB🔞 12+📱 iOS 15.0+🔖 v12.6.0🔄 updated 5d ago🌐 BG, CS, NL, EN, FR +18📂 Health & Fitness💰 Paid🚀 Launched 2015 (10y old)

📝 About this app

Period Tracker and Calendar is an easy-to-use application that helps you track your cycle, ovulation, and fertile days. Whether you're planning a pregnancy, managing birth control, or just getting to know your cycle better, Period Tracker & Calendar is here to support you and take care of your needs along the way.

Period Tracker and Calendar is a CE Class I Medical Device (EU) intended to support tracking menstrual cycles and monitoring related symptoms. It processes user-entered data to generate predictions for upcoming periods and estimated fertile windows, so you can feel more prepared in your daily life with information tailored to your body.

→ Everything you need to track your period and health in one place:
Simple Period Tracker
• Log your cycle quickly with a clean, intuitive interface designed to make tracking effortless
• Get predictions for upcoming periods based on your history and your unique cycle

Comprehensive Health Tracking
• Track 100+ symptoms, moods, and activities
• See patterns and insights about your health over time, so you can better understand your body

Fertility & Ovulation Tracking
• Monitor your fertile window and ovulation days
• Helpful for planning or preventing pregnancy, depending on your needs

Pregnancy & Baby Growth
• Follow your baby’s development week by week, with guidance and tips along the way
• Track your body changes and pregnancy milestones

Perimenopause Support
• Track symptoms like hot flashes, mood changes, and irregular cycles
• Stay aware of your body during this transition

Personalization & Discreet Reminders
• Customize your app with color themes and Dark Mode that fit your style and feel comfortable to use every day
• Set subtle, customizable reminders for periods, ovulation, or medication that keep your personal life private

Privacy and Data Protection
• Lock your app with a password to keep your data private - your information stays yours
• Back up and restore your data easily on a new device, so nothing important is lost

Key features:
- Easy-to-read calendar to visualize non-fertile, fertile, ovulation, expected period and period day
- Daily tracking to log flow, symptoms, moods, temperature, weight, medicine, PMS, notes, and more
- Clear insights into your cycle and health patterns
- Timely reminders to stay on top of your periods, ovulation, fertile days, and medication
- Quick backup and restore to keep your data safe and pick up where you left off on any device.

Pregnancy Mode
Follow your baby’s growth and your body changes week by week
Get weekly insights and tips to support you throughout your pregnancy
Track symptoms and milestones in one place
Generate and share reports with your doctor easily

Perimenopause Mode
Track symptoms like hot flashes, sleep changes, mood shifts, and irregular cycles
See how your cycle and symptoms change
Gain clearer insight into your body during this transition

Flexible tracking options that adapt to your needs
- Adjust prediction intervals for irregular or changing cycles
- Adjust luteal phase length if you track and log ovulation
- Log cervical observations for fertility tracking

Simple Mode
- Hide ovulation, fertility and related data
- Ideal for teens and users who prefer simple tracking

! Important !
This application does not provide medical diagnosis or medical advice and is not intended as a substitute for consultation with a qualified healthcare professional. It should not be used as the sole method of contraception, for pregnancy prevention, fertility treatment management, or for diagnosing or treating any medical condition. Predictions and insights are estimates based on user-entered data and natural biological variability may affect accuracy.

Simple, intuitive, and thoughtfully designed, Period Tracker and Calendar supports you through every stage — from cycle tracking to pregnancy and perimenopause. Download today to stay informed and keep track of your health with confidence.

🆕 What's New · v12.6.0

– Fixed minor issues reported by users.
– Please send us your feedback!

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Mein Menstruations-Kalender
Developer
SimpleInnovation LLC
Bundle ID
com.lbrc.PeriodCalendar
App Store URL
Open in App Store
Category
Health & Fitness
Content rating
12+
Languages
BG, CS, NL, EN, FR, DE, EL, HU, ID, IT, JA, KO, NB, PL, PT, RO, RU, ZH, ES, SV, ZH, TR, UK

Company

Website
Not found
Tagline
Simple Innovation
Description
Not found
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
$22.0K/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
LinkedIn
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
Email
Not found
Phone
Not found
Contact page
https://simpleinnovation.us/contact
About page
Not found
📈Ratings growth52,317 ratings+8% lifetimeShow 3-year history estimate ▾May 2023Jan 2026May 2026
Tracked (44 weeks) Pre-tracking estimate (34 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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