KONOTOKI :Ovulation prediction
コノトキ - 妊娠のために基礎体温、生理で排卵日予測
Not in any tracked top chart right now.
Updated 27 Sep 2026 · rankings refresh through the day
Developeramane factory inc.
CategoryHealth & Fitness
PriceFree
Released
Rating★ 4.2 (791)
Version1.4.2
Age rating12+
First seen by us
26 Sep 2026
Installs (est.)10k+ worldwide
Rating
4.2 ★
791 ratings
Measured
KONOTOKI :Ovulation prediction on the App Store
App details
App ID
1501112518
Publisher
amane factory inc.
Minimum OS
iOS 12.0+
Content rating
12+
Languages
5
EN JA KO ZH ZH
Size
87 MB
KONOTOKI :Ovulation prediction downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. 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 KONOTOKI :Ovulation prediction makes money: subscriptions, one-off purchases and ads.
Ads · 86 ad networks
Ads
/mo
of revenue
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.2 ★
791 ratings
Measured
Ratings
791
Measured
About KONOTOKI :Ovulation prediction
\Very simple! /
All you have to do is enter your period. The app will inform you of your "most fertile time" and "due date of your next period."
You can also enter your basal body temperature and weight easily, and the app will create a chart automatically. The chart can be output in PDF file.
\All in one function supporting your pregnancy/
All necessary functions supporting your pregnancy are included in the app, ranging from estimate of your next ovulation date & menstruation date, management of your basal body temperature, physical condition, treatment to advice for your efforts to conceive!
The app calculates the most fertile time based on your estimated ovulation date and inform you of the best timing for pregnancy.
You can receive explanation on women's physical condition according to menstrual cycle and advice for your efforts to conceive, under supervision of experts. This will help you get your body ready for pregnancy.
The level of support can be changed from simple management to careful one by switching the mode. The careful management mode will support your management of hospital visit, medicine and injection.
\A couple can share the app!/
By connecting the couple's apps, the both can share pregnancy prediction, the woman's physical condition record and each other's schedule.
The app can inform the most fertile time, which the woman may hesitate to say directly to the partner, which leads to mitigation of stress.
The man can work together for pregnancy by getting the information on the woman's physical condition and change of mood from the app.
One-tap message function will become available when the apps are connected. You may use it to make an appointment for your important day.
【What KONOTOKI can do】
*Prediction of your ovulation date, most fertile time and due date of next period
*Management of your basal body temperature and weight by chart
*Schedule management of your hospital visit, medicine and injection
*Explanation on your physical condition & advice for your efforts to conceive are available under supervision of experts
*Information sharing and sending/receiving of messages between the couple by connecting the apps
*All functions are available free of charge
■ Most suitable for the person below!
・Hope for pregnancy
・Want to know your ovulation date in a simple way
・Want to know the most fertile time in a simple way
・Want to get advice for pregnancy
・Want to inform your partner of the most fertile time
・Want to know the woman's period and physical condition
・You and your partner want to work on pregnancy together
・Want to manage your basal body temperature and the chart automatically
・Want to get pregnant in a planned manner
・Suffering from infertility
・Want to manage your fertility treatment medicine and hospital visit
・Bothered by expensive fertility treatment cost and ovulation date checker
■ Facilitate communication
In many cases, women manage and understand their ovulation date and fertile time. In this situation
All you have to do is enter your period. The app will inform you of your "most fertile time" and "due date of your next period."
You can also enter your basal body temperature and weight easily, and the app will create a chart automatically. The chart can be output in PDF file.
\All in one function supporting your pregnancy/
All necessary functions supporting your pregnancy are included in the app, ranging from estimate of your next ovulation date & menstruation date, management of your basal body temperature, physical condition, treatment to advice for your efforts to conceive!
The app calculates the most fertile time based on your estimated ovulation date and inform you of the best timing for pregnancy.
You can receive explanation on women's physical condition according to menstrual cycle and advice for your efforts to conceive, under supervision of experts. This will help you get your body ready for pregnancy.
The level of support can be changed from simple management to careful one by switching the mode. The careful management mode will support your management of hospital visit, medicine and injection.
\A couple can share the app!/
By connecting the couple's apps, the both can share pregnancy prediction, the woman's physical condition record and each other's schedule.
The app can inform the most fertile time, which the woman may hesitate to say directly to the partner, which leads to mitigation of stress.
The man can work together for pregnancy by getting the information on the woman's physical condition and change of mood from the app.
One-tap message function will become available when the apps are connected. You may use it to make an appointment for your important day.
【What KONOTOKI can do】
*Prediction of your ovulation date, most fertile time and due date of next period
*Management of your basal body temperature and weight by chart
*Schedule management of your hospital visit, medicine and injection
*Explanation on your physical condition & advice for your efforts to conceive are available under supervision of experts
*Information sharing and sending/receiving of messages between the couple by connecting the apps
*All functions are available free of charge
■ Most suitable for the person below!
・Hope for pregnancy
・Want to know your ovulation date in a simple way
・Want to know the most fertile time in a simple way
・Want to get advice for pregnancy
・Want to inform your partner of the most fertile time
・Want to know the woman's period and physical condition
・You and your partner want to work on pregnancy together
・Want to manage your basal body temperature and the chart automatically
・Want to get pregnant in a planned manner
・Suffering from infertility
・Want to manage your fertility treatment medicine and hospital visit
・Bothered by expensive fertility treatment cost and ovulation date checker
■ Facilitate communication
In many cases, women manage and understand their ovulation date and fertile time. In this situation
Latest updates
1.4.2
Thank you for always using KONOTOKI.
* Improved the stability and performance.
We will continue to make improvements in order to provide better services to our users in the future. Thank you for always using KONOTOKI.