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Over 5,000 downloads!

There is only one function. When you enter your period date, the next period date is predicted and displayed on the calendar. It doesn't tell you when you're ovulating, when you're likely to get pregnant, and it doesn't show you the best time to lose weight. It simply tells you when your period is due.

Simpluna is an app for recording and predicting menstrual days. Launch the app to display a calendar where you can check your next predicted menstrual period and past menstrual days at a glance. Simpluna has an extremely simplified design, eliminating all unnecessary features to ensure it does not interfere with your daily life.

・Simple and easy to use. To input your period days, just tap a date on the calendar and select the start or end button. No need to learn the app. You'll know how to use it instinctively.
・Leave notes on the calendar's dates. You can keep track of your physical condition or state using the memo feature.
・Get notifications when your next predicted period is approaching. You can also specify when or how many days in advance you'll be notified.
・Record your past periods. You can record menstrual periods up to one year before starting the app.
・Predict your periods up to one year ahead. You can take note of your future periods and check them with the forecast calendar feature.
・Also functions offline or under poor internet conditions.
・All features are free. No ads nor promotional material.

Please note that this app does not have the following features:
・Ovulation Days Management
・Weight/Temperature Recording
・Pill Reminders

Terms and Conditions: https://www.iubenda.com/terms-and-conditions/77320882

What’s New

Version 1.8.1

1. App Unlock with Face ID
2. Added selectable values for menstrual cycle and menstrual period

(1) We now support app unlock with Face ID. By turning on Face ID when setting the passcode, you can automatically open apps using Face ID. App lock can be set from "App Lock" in the settings screen.

(2) We added selectable values for the menstrual cycle and menstrual period in settings.

Ratings and Reviews

5.0 out of 5
5 Ratings

5 Ratings

Ltbeasy ,

God bless this app

All I wanted w as a simple freaking tracker to warn me when my next period would be gracing me with its presence. But all the apps out there are filled with so much useless nonsense that it’s overwhelming. This is perfect

Developer Response ,

Thank you! We are pleased that you like the simplicity. We will keep making you happy!

TianaRoxx ,

Great Tracker!

The app is easy to use and understand. I am able to leave notes on any day to keep track of any symptoms.

App Privacy

The developer, Omoidasu, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Location
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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