Privacy Policy for Evia - Cycle & Period Tracker

Last Updated: November 20, 2025

1. Information We Collect

1.1 Health and Cycle Data

When you use Evia, we collect and store the following information locally on your device:

• Menstrual cycle dates (period start and end dates)
• Cycle length and period duration
• Symptoms and mood tracking data
• Notes and personal observations
• Predictions and calculations based on your cycle history

1.2 Device Information

• Device model and operating system version
• App version and settings
• Notification preferences

2. How We Use Your Information

We use your information solely to provide and improve the Evia app features:

• Cycle Tracking: To track your menstrual cycle and provide predictions
• Notifications: To send you reminders about your cycle based on your preferences
• Statistics: To generate personalized insights and statistics about your cycle patterns
• App Functionality: To provide core features like calendar view, symptom tracking, and data visualization

3. Data Storage and Security

3.1 Local Storage

All your health data is stored locally on your device. We do not transmit, upload, or share your personal cycle data with any third parties or external servers.

3.2 Security Measures

• Data is stored in encrypted format on your device
• No cloud synchronization or external backups unless explicitly enabled by you
• Access to data is protected by your device's security features

4. Data Sharing and Third Parties

We do NOT sell, rent, or share your personal health data with third parties.

We do not use third-party analytics, advertising, or tracking services that would have access to your health data.

5. Your Data Rights

You have complete control over your data:

• Access: You can view all your stored data within the app
• Modify: You can edit or update any information at any time
• Delete: You can delete individual entries or all your data
• Export: You can export your data for backup purposes

6. Data Retention

Your data is retained on your device for as long as you use the app. When you uninstall Evia, all locally stored data will be removed from your device unless you have created a backup.

7. Children's Privacy

Evia is not intended for use by children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

8. Permissions

Evia requests the following permissions:

• Notifications: To send you cycle reminders and alerts
• Schedule Exact Alarm: To deliver timely notifications about your cycle
• Vibrate: To provide notification vibrations
• Receive Boot Completed: To restore scheduled notifications after device restart

All permissions are used solely for app functionality and not for data collection or tracking purposes.

9. Changes to This Privacy Policy

We may update this privacy policy from time to time. We will notify you of any changes by updating the "Last Updated" date at the top of this policy. Continued use of the app after changes constitutes acceptance of the updated policy.

10. International Users

Since all data is stored locally on your device, no data transfers occur across borders. Your data remains in your physical possession at all times.

11. GDPR Compliance (EU Users)

For users in the European Union:

• We process your data based on your consent when you use the app
• You have the right to access, rectify, and erase your data
• You have the right to data portability
• You can withdraw consent at any time by uninstalling the app

12. California Privacy Rights (CCPA)

For California residents:

• We do not sell your personal information
• You have the right to request disclosure of data collection practices
• You have the right to delete your personal information

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