Phan Dang built the Period Calculator app as a Commercial app. This SERVICE is provided by Phan Dang and is intended for use as is.

This page is used to inform users regarding our policies.

No Data Collection

The Application does not collect, store, or transmit any personal data.

All information you enter (such as cycle dates and related data) is stored locally on your device only.

We do not have access to your data.

No Third-Party Services

The Application does not use:

• Analytics services
• Advertising networks
• Tracking technologies
• External servers

Your data never leaves your device.

User Control

You have full control of your data:

• All data can be removed by deleting the app
• No account or login is required
• No data is shared with anyone

Medical Disclaimer

This Application provides estimated cycle and ovulation information based on general calculations.

It does not guarantee accuracy and should not be used as a sole method for preventing or achieving pregnancy.

This Application is not a medical device and does not provide medical advice.

Children’s Privacy

This Application is not intended for children under the age of 13.

Security

All data is stored locally on your device. No data is transmitted over the internet.

Changes to This Privacy Policy

We may update our Privacy Policy from time to time.

Contact Us

If you have any questions, contact: phannhatd@gmail.com