Privacy Policy

Last Updated: March 30, 2026

1. Data Protection at a Glance

The protection of your reproductive health data is our highest priority. Unlike many other fertility apps, we do not store any of your health data on our servers.

2. Local Storage Technology

When you use our calculator, the data you enter (such as period dates or cycle length) is processed locally in your browser using a technology called localStorage. This means the data stays on your device and is never transmitted to us.

3. Server Logs

Like almost all websites, our server automatically collects and stores information in "server log files" that your browser transmits to us automatically. These include:

• Browser type and version
• Operating system used
• Referrer URL
• Hostname of the accessing computer
• Time of the server request
• IP address

This data is not combined with other data sources and is used solely for technical security and stability.

4. Your Rights

Since we do not store personal health data, there is no data for us to export or delete upon request. If you wish to clear your data, you can simply clear your browser's cache or local storage.

5. Contact

If you have questions about our privacy practices, you can contact us at privacy@Eisprungrechner.online.