This innovative Periodical app simplifies menstrual cycle tracking and fertility prediction. Using the Knaus-Ogino method, it accurately calculates fertile days and allows you to track symptoms for a better understanding of your cycle. Data backup ensures peace of mind, and the app is completely free! The developer is readily available via email for questions or translation assistance. Download now and streamline your cycle tracking.

Key features of Periodical include:

• Fertility Tracking: Accurately predicts fertile days using the Knaus-Ogino method.
• Menstrual Symptom Tracking: Monitor symptoms to gain insights into your cycle.
• Data Backup: Securely back up your data to internal or external memory.
• Free Software: Available for free under the GNU General Public License.
• Translation Support: The developer welcomes questions and translation contributions.
• Open-Source: Source code is available for transparency and customization.

Periodical provides a user-friendly and efficient way to manage your reproductive health. Its features, including data backup, free access, and support for multiple languages, make it a comprehensive solution for women seeking to understand their bodies better. Download Periodical today and take control of your reproductive health.