Privacy Policy

What we collect

• Account: your name and email address.
• Learning data: your progress, reviews, streak, and settings.
• Billing: if you subscribe, Stripe holds your payment details; we only store a customer reference and your plan status.

How we use it

To run the app: sign you in, save your progress, send account emails (verification, password reset, and — only if you opt in — daily review reminders), and process subscriptions. We don’t sell your data or show ads.

The tips-and-offers stream is opt-in: you only get it if you asked for it, by ticking the box at signup or turning it on in Settings. It is never on by default, and you can withdraw at any time in Settings without losing anything else.

Separately, we occasionally email account holders to announce something new that is free to use, such as a new learning guide. These are rare, and every one carries a one-click unsubscribe link that stops them for good without affecting your account or its emails.

Who processes your data

• Fly.io — hosting and database (EU region).
• Stripe — payment processing.
• Resend — sending account emails.
• Sentry — crash reports (with your email scrubbed).
• Umami — privacy-friendly, cookie-less page analytics (no personal profiles).

Cookies

We use essential cookies only — to keep you signed in and remember your theme preference. No advertising or cross-site tracking cookies.

Your control

You can edit your details in Settings, and delete your account (and all associated data) anytime from Settings → Danger zone. To request a copy of your data, email us.

Contact

Questions about your data? Email contact@hangeul.app.