Periodical
10.0 15
v1.92 by Arno Welzel
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Editor's Review
“Periodical” is a calendar to calculate the fertile days according to Knaus-Ogino.About Periodical
Periodical (Package Name: de.arnowelzel.android.periodical) is developed by Arno Welzel and the latest version of Periodical 1.92 was updated on April 13, 2025. Periodical is in the category of Health & Fitness. You can check all apps from the developer of Periodical and find 200 alternative apps to Periodical on Android. Currently this app is for free. This app can be downloaded on Android 5.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
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.
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.
Periodical 1.92 Update
Updated translations and changed backup procedure.
Read More
Periodical Features
Previous Versions More
Periodical
1.92
XAPK
APKs
April 17, 2025
4.8 MB
Requires Android: Android 5.0+
Screen DPI: 160-240dpi
SHA1: e10181d030c1e4b328f1c77a61600a16f89bd31b
Size: 4.8 MB
What's New:
Updated translations and changed backup procedure.
Periodical
1.91
XAPK
APKs
April 10, 2025
4.75 MB
Requires Android: Android 5.0+
Screen DPI: 160-240dpi
SHA1: d3cc4b39aa3d184cbf8443fa5fd09989ee41fe46
Size: 4.75 MB
What's New:
Updated translations and changed backup procedure.
Periodical
1.90
XAPK
APKs
April 5, 2025
4.75 MB
Requires Android: Android 5.0+
Screen DPI: 160-240dpi
SHA1: eff3d0c392f47cd5a14ba1342f06df4bae319f77
Size: 4.75 MB
What's New:
Updated translations and changed backup procedure.
Periodical
1.80
XAPK
APKs
December 2, 2024
4.75 MB
Requires Android: Android 5.0+
Screen DPI: 160-240dpi
SHA1: ada7e775ff8131cda7403d88eb1626f33bc78c14
Size: 4.75 MB
What's New:
Updated translations and improved stability.
More Information
Package Name:
Category:
Update Date:
2025-04-13
Latest Version:
1.92
Need Update:
Available on:
Requirements:
Android 5.0+
Report:
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