Privacy Policy
Last updated: 2026-10-28
The short version
This app does not ask who you are and does not watch what you do. Your study progress stays on your own device.
What the app does not use
The app has no accounts, no cookies, no analytics, no ads and no tracking.
What is stored, and where
Your study progress and settings are stored only in your browser's localStorage, on your own device. They are never sent to us or to anyone else.
To remove them, use the "Reset my data" button on the home page. Clearing your browser's site data also removes them.
Offline use
Once installed, the app works offline. After the first load it runs from files saved in your browser, so studying needs no connection.
Hosting
The site is hosted on Cloudflare. Cloudflare may process standard request data, such as your IP address, in server logs for security and delivery. We do not use this data to identify or follow you.
Children
The app is not directed at children under 13.
Contact
Questions about this policy? Email [email protected].