Privacy Policy

Last updated: April 16, 2026

Mahd ("we", "our", or "us") is a child development tracking application. This Privacy Policy explains how we collect, use, and protect your information.

1. Information We Collect

We collect the following information when you use Mahd:

Account Information: Email address, display name, and password (encrypted)
Child Profile Data: Child's name, birth date, and gender
Health & Development Data: Growth measurements (weight, height, head circumference), milestone tracking, vaccination records, teeth eruption records, and doctor visit notes
Device Information: Device type, operating system version, and push notification tokens
Feedback: Category, description, device info, and optional screenshots when you submit feedback

2. How We Use Your Information

To provide and maintain the Mahd service
To track your child's growth and developmental milestones
To send vaccination reminders and milestone notifications
To send weekly digest emails (if enabled)
To generate PDF reports of your child's data
To improve our service based on feedback

3. Data Storage & Security

Your data is stored on secure servers hosted by Railway. We use:

HTTPS encryption for all data in transit
bcrypt hashing for passwords (never stored in plain text)
Session-based authentication with HTTP-only cookies
PostgreSQL database with access controls

4. Data Sharing

We do not sell, trade, or share your personal data with third parties. Your child's data is private and only accessible to you. We may share data only:

When required by law or legal process
To protect the safety of our users

5. Guest Accounts

You can use Mahd as a guest without providing an email address. Guest data is stored on our servers and linked to a device token. If you uninstall the app without verifying your profile, your guest data may become inaccessible.

6. Data Retention & Deletion

Your data is retained as long as your account is active. You can delete your account at any time from Settings, which permanently removes all your data including child profiles, measurements, and tracking records.

7. Children's Privacy

Mahd is designed for parents and guardians to track their children's development. The app is not intended for use by children under 13. We do not knowingly collect data directly from children.

8. Push Notifications

With your permission, we send push notifications for vaccination reminders, milestone alerts, and measurement reminders. You can disable notifications in Settings or through your device settings.

9. Email Communications

We may send weekly digest emails and password reset emails. Digest emails can be disabled in notification preferences. We use Resend as our email service provider.

10. Your Rights

You have the right to:

Access your data (via the Export feature in Settings)
Correct your data (edit profile and child information)
Delete your data (delete account in Settings)
Opt out of notifications and emails

11. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any significant changes through the app.

12. Contact Us

If you have questions about this Privacy Policy, contact us at:
[email protected]