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App Store Apps > Health & Fitness > KONOTOKI :Ovulation prediction
KONOTOKI :Ovulation prediction icon

KONOTOKI :Ovulation prediction

by amane factory inc. · Health & Fitness · Free
On the App Store since March 2020 · Data updated 2026-10-14
App Store

KONOTOKI :Ovulation prediction is made and published by amane factory inc. AppBrain is an independent app data site and isn't affiliated with amane factory inc. The app name, icon, screenshots and description belong to amane factory inc. and are shown as published on the App Store.

AppBrain's verdict

Established
Rating on App Store
4.00
1 ratings
Last updated
October 6, 2026
Size
87.1 MB

It doesn't have enough ratings yet to judge what users think.

User feedback

Ratings and reviews on the App Store

Comments on KONOTOKI :Ovulation prediction for iOS

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Store listing

By amane factory inc., from the App Store
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Screenshots by amane factory inc., from the the App Store listing
Description by amane factory inc. Written by the developer, not by AppBrain. Click to read.
\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, they may hesitate to inform such timing to their partners.
KONOTOKI helps to solve this issue by simultaneously informing the couple of the most fertile time.


■ About KONOTOKI's Ovulation Calculation
The app uses the Ogino method of calculation to compute days with high likelihoods of achieving pregnancy.


■ Linkage with "Health" app
KONOTOKI can link data with Apple "Health" app using HealthKit API.
Through data linkage, KONOTOKI can import the basal body temperatures and weights registered in "Health" app.


■ Contact Us
We greatly appreciate our users' valuable opinions and impressions, but we are not currently able to reply individually in the App Store.
We would be grateful to receive all inquiries, requests, and bug reports by e-mail at the following address:
konotoki.support@amanefactory.com

.。.:*・゚+.。.:*・゚+.。.:*・゚+.。.:*・゚+.。.:*・゚+.。
KONOTOKI supports the couple who wish to have a baby
May a Fantastic Day Come to You!
~ KONOTOKI Development Team
Official page on the App Store Also on Google Play

Safety and technology

Found in the app by AppBrain
Price
Free
App size
87.1 MB
Content rating
Medium

Technologies used by KONOTOKI :Ovulation prediction

Releases

Updates seen on the App Store
Version
1.5.0
Launched
March 2020

No changelog data

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Rankings

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App Store Rankings for KONOTOKI :Ovulation prediction

This app is not ranked

About the app and developer

About KONOTOKI :Ovulation prediction

KONOTOKI :Ovulation prediction is a health & fitness app developed by amane factory inc.

User Ratings

KONOTOKI :Ovulation prediction is rated 4.00 out of 5 stars. The rating is based on one rating ratings.

App Information

KONOTOKI :Ovulation prediction is freely available from the App Store. The app size is 87.08 MB. The latest version available is 1.5.0. The last update was on October 6, 2026.

Technical Requirements

The app has a content rating of Medium Maturity. The app has been available on the App Store since March 2020.

Developer information for amane factory inc.

amane factory inc.

Address:

Frequently asked questions about KONOTOKI :Ovulation prediction

Is KONOTOKI :Ovulation prediction free?

Yes. KONOTOKI :Ovulation prediction is free on the App Store.

Is KONOTOKI :Ovulation prediction still available?

Yes. KONOTOKI :Ovulation prediction is on the App Store, and the last update we saw was on October 6, 2026.

How large is KONOTOKI :Ovulation prediction?

KONOTOKI :Ovulation prediction is 87.08 MB.

Is KONOTOKI :Ovulation prediction suitable for children?

App Store gives KONOTOKI :Ovulation prediction a medium maturity rating, so it is not meant for young children.

How do people rate KONOTOKI :Ovulation prediction?

KONOTOKI :Ovulation prediction has one rating of 4.00 stars on the App Store.

Who made KONOTOKI :Ovulation prediction?

KONOTOKI :Ovulation prediction was developed by amane factory inc. It is listed in the health & fitness category on the App Store.

What are the best alternatives to KONOTOKI :Ovulation prediction?

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