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About Periodical

This application calculates the fertile days according to Knaus-Ogino and can track menstrual symptoms.

WARNING: It is not recommended to use this calendar to avoid pregnancy! There are more accurate methods, like measuring the basal body temperature.

The data can be backed up on a memory card or "internal" memory, if present.

If you have any further questions or want to help me with translations in other languages, please contact me via e-mail - thank you.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

You can obtain the source on my website.

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author
Thanks for the bug fixes!
Celtic Chrys
author
Errors in moving backed up data from samsung galaxy s6 to pixel 3a - issue being dealt with
Olga Maksimenko
author
Great simple app. I hope in the future there is optional save backup to Dropbox, Google, email, etc. Backup to phone memory didn't help me when my old phone suddenly bricked.
Kassandra
author
For tracking your periods with a minimum of fuss this is an elegant solution. Major praise for it being plain looking, and not covered in pink or flowers! Does what it says on the box.
Alair Abernethy
author
Great lightweight and privacy respecting little app! Thanks for this !
German Garcia
author
Clean and free with no adds. I love the minimalist approach. Please, keep the app maintained. It's awesome...
Dana Dodigović