Last updated: 11.18.25

1. Introduction

We respect your privacy and are committed to protecting your personal data.
This Privacy Policy explains how we collect, use, store, and safeguard the information you provide when using the application.

By using the app, you agree to the terms described below.

2. Data We Collect

2.1. Information You Enter Manually

The app may allow you to enter:

  • migraine episodes (frequency, intensity, symptoms, medications…),
  • lifestyle information (sleep, stress, hydration, menstrual cycle, activity…),
  • notes or observations.
 

All information you provide is stored only locally on your device.
It is not uploaded to any cloud server and cannot be accessed remotely.
You remain the sole owner of your data, and you can delete it at any time directly within the app.

This information is optional and only used to provide insights and statistics.

2.2. Automatically Collected Data (optional)

Depending on your settings and device permissions, we may collect:

  • approximate location (for weather or pressure data),
  • device information (model, OS version, language),
  • app usage statistics (screens visited, time spent),
  • crash reports and performance metrics.

2.3. Health Data

Some data may be considered health-related.
We do not provide medical advice, and this data is stored only to help you identify patterns.
It is never shared with third parties without your consent.

3. How We Use the Data

We may use your data to:

  • display statistics and patterns related to your migraines,
  • help you identify potential triggers,
  • improve the app’s performance and user experience,
  • send notifications (if enabled),
  • detect trends to personalize insights (never for medical diagnosis).

We do NOT sell your data.
We do NOT use your data for advertising without your consent.

4. Data Storage & Security

Your data is stored securely using industry-standard measures to prevent unauthorized access, loss, or modification and only locally (on your phone)

Depending on your configuration, data may be:

  • stored locally on your device
  • We recommend protecting your device with a password, biometric lock, or equivalent security measure.

5. Sharing of Data

We do not share your personal data with third parties, except:

  • to comply with legal obligations,
  • to protect our rights or prevent abuse,
  • with your explicit consent (e.g., exporting data for your doctor).

We never share your personal or health data for commercial purposes.

6. Your Rights (under GDPR and similar laws)

You have the right to:

  • access your data,
  • modify or delete it,
  • export it (in a readable format),
  • withdraw consent at any time,
  • request data erasure.

To exercise these rights, contact us at:
contact@migraine-companion.com

7. Children’s Privacy

The app is not intended for children under the age of 18 (or the legal minimum in your country).
We do not knowingly collect or store data from children without parental consent.

8. Third-Party Services

If we use external services (analytics, authentication, cloud storage, crash reporting…), their privacy policies may apply as well.

Examples of possible services:

  • Firebase / Google Cloud
  • Apple Health / Google Fit (optional)
  • Weather or air pressure APIs

Any integration will only occur with user consent and for clear purposes.

9. Data Retention

Your data is kept only as long as necessary to provide the app’s features.
If you delete your account or request deletion, your data will be erased securely.

10. Changes to This Policy

We may update this Privacy Policy at any time.
If changes are made, the updated version will be displayed in the app or on our website.

11. Contact

For any privacy-related questions, data requests, or concerns, please contact us at:
contact@migraine-companion.com