Privacy Policy

Last updated: March 20, 2026

1. Introduction

teachmu ("we", "our", "us") is committed to protecting the privacy of our users. This Privacy Policy explains how we collect, use, and protect your personal data when you use our platform.

2. Data We Collect

Account Information

• Full name and email address (provided during registration)
• Role (teacher or student)
• Workspace/tenant configuration

Usage Data

• Lesson scheduling and attendance records
• Exercise grades and progress data
• Flashcard study history
• Messages sent through the platform

Technical Data

• Browser type and version
• Device information
• IP address (for security purposes)
• Cookies and local storage preferences

3. How We Use Your Data

• To provide and maintain the Service
• To manage your account and workspace
• To process payments and subscriptions
• To send important service notifications
• To improve and optimize the Service
• To comply with legal obligations

4. Data Storage & Security

Your data is stored securely using Supabase (PostgreSQL) with Row Level Security (RLS) policies ensuring that each teacher's workspace is fully isolated. We use encryption in transit (TLS) and at rest.

5. Data Sharing

We do not sell your personal data. We may share data with:

• Service providers — Payment processing (Lemon Squeezy), hosting (Vercel), database (Supabase)
• Legal requirements — When required by law or to protect our rights

6. Your Rights

You have the right to:

• Access your personal data
• Correct inaccurate data
• Request deletion of your data
• Export your data in a portable format
• Withdraw consent for data processing
• Object to processing of your data

7. Cookies

We use essential cookies for authentication and preferences. For more details, see our Cookie Policy.

8. Children's Privacy

Student accounts may be used by minors with their teacher's invitation. We do not knowingly collect personal information from children under 13 without parental consent. Teachers are responsible for obtaining appropriate consent for their minor students.

9. International Data Transfers

Your data may be processed in countries outside your own. We ensure appropriate safeguards are in place for any international data transfers.

10. Changes to This Policy

We may update this Privacy Policy periodically. We will notify you of significant changes via email or in-app notification.

11. Contact

For privacy-related inquiries, contact us at privacy@teachmu.com.