Fertility Calendar Downloads & RevenueFertility Calendar · Google Play
Not in a tracked Google Play top chart right now.
Updated 1 Nov 2026 · rankings refresh through the day
DeveloperKlimaszewski Szymon
CategoryMedical
PriceFree
Released
Installs100k+
Rating★ 4.2 (364)
Updated
Content ratingEveryone
Full timeline · 2 events in the last 12 months
- 🆕Fertility Calendar first spotted by AppInsiderUnited States (found via similar)
- 🆕Fertility Calendar released on Google Play
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.2 ★
364 ratings
Measured
Fertility Calendar on Google Play
App details
App ID
com.szyk.ovulation.menstruation.fertility.calendar
Publisher
SZYMON KLIMASZEWSKI
Publisher country
Poland
Content rating
Everyone
Fertility Calendar downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How Fertility Calendar makes money: subscriptions, one-off purchases and ads.
Ads
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Not in a Google Play top chart right now. | ||
Ratings
Google Play, worldwide.
Rating
4.2 ★
364 ratings
Measured
Ratings
364
Measured
Written reviews
18
Measured
About Fertility Calendar
"Fertility Calendar" will help you track and predict your period, ovulation and fertility!
This very easy in use app has many powerful possibilities behind a beautiful interface.
You can track your periods, notes, body temperature and any symptoms you wish so that application will automatically calculate your fertile days or infertile days, basing on luteal phase length it will also automatically calculate your ovulation and next period.
This app helps you get pregnant or avoid pregnancy. Knowing when is your ovulation day and when you are fertile or infertile is everything you need!
If you wish to measure your temperature too, then interactive and easy in use graphs will show your body temperature history, on which you can also recognize your ovulation day.
Key features:
★ Very easy to use user interface
★ Automatic period, fertile days, infertile days and ovulation calculation
★ Create notes:
● Tags - add a brief description and use them repeatedly
● The temperature of the body
● Descriptions with emoteicons
★ Support for multiple users.
★ Interactive graphs of your body temperature
★ Export data to a file:
● CSV
● XML
● PDF - detailed reports
★ Reminders - set a reminder for ovulation or menstruation
★ Filters - unlimited possibilities in your hand. You decide what data the application will show, analyze and export!
Automatic translation by stringX SDK: www.stringx.io
This very easy in use app has many powerful possibilities behind a beautiful interface.
You can track your periods, notes, body temperature and any symptoms you wish so that application will automatically calculate your fertile days or infertile days, basing on luteal phase length it will also automatically calculate your ovulation and next period.
This app helps you get pregnant or avoid pregnancy. Knowing when is your ovulation day and when you are fertile or infertile is everything you need!
If you wish to measure your temperature too, then interactive and easy in use graphs will show your body temperature history, on which you can also recognize your ovulation day.
Key features:
★ Very easy to use user interface
★ Automatic period, fertile days, infertile days and ovulation calculation
★ Create notes:
● Tags - add a brief description and use them repeatedly
● The temperature of the body
● Descriptions with emoteicons
★ Support for multiple users.
★ Interactive graphs of your body temperature
★ Export data to a file:
● CSV
● XML
● PDF - detailed reports
★ Reminders - set a reminder for ovulation or menstruation
★ Filters - unlimited possibilities in your hand. You decide what data the application will show, analyze and export!
Automatic translation by stringX SDK: www.stringx.io
What's new in 2.00.03
Upgraded to latest Android version