Last updated: July 2026 ยท Plain-language summary.
With an account: your email, display name, your sets, learning progress, stories, settings, and any feedback you send (including optional email and screenshots). Stored in Supabase (PostgreSQL, hosted in the EU/US by Supabase Inc.). As a guest: everything stays in your browser's local storage โ we never see it.
No ads, no selling data, no tracking pixels, no analytics beyond what hosting providers log by default (IP addresses in server logs).
If you add an API key, your prompts (words, sentences, story requests) are sent to that provider (Google Gemini or Anthropic) under their privacy terms. Your key is stored in your account settings and used only from your browser.
We use browser local storage for your session, theme, and caches. No third-party advertising cookies.
You can export your data (Profile โ Data Backup) anytime. To delete your account and all data, send a request via the ๐ฌ feedback button.