Period Tracker, My Calendar

How to update Period Tracker, My Calendar

1. To update the application, install the new version of the application over (without deleting) the old one.
2. This update will only be possible if the previous version of the application is downloaded from us. Otherwise, there will be a signature conflict and you will see the message "Application not installed".
3. For what "Signatures" are and what they are for, read here.