Privacy Policy

1. What we collect

Account: email address (and name if you sign in with Google).

Learning data: lesson progress, review cards, mistakes, study time, settings and the language you choose.

Your writing and chat messages, so the AI can reply and give feedback, and so you can see your history.

Payment data is collected by Paddle, not by us; we receive only the order status, country and plan.

Basic technical data (IP address, browser) for security and to prevent abuse.

2. Why we use it

To provide the lessons, AI conversation and writing feedback, to save your progress across devices, to keep the service secure, and to improve lesson quality (using aggregated or de-identified data).

We do not sell your personal data and do not use it for advertising profiles.

3. Service providers (processors)

Vercel (hosting), Supabase (database and login), Google Cloud (Vertex AI models, speech services), Anthropic (Claude AI models), Paddle (payments). Your messages are sent to the AI providers only to generate a response.

Some providers process data outside your country (for example in the United States). We use providers with appropriate data-protection terms.

4. How long we keep it

While your account is active. When you delete your account, we delete your personal data within 30 days, except where the law requires us to keep records (for example payment records).

5. Your rights

You can access, correct, export or delete your data, and withdraw consent, by contacting support@majamaja.app. You can also delete your account in the app.

6. Children

The service is not intended for children under 14 (16 in the EU/UK).

7. Contact

Data controller: 위플러스(We+) (representative: 조정훈), Republic of Korea. Email: support@majamaja.app.