Last updated: June 2026
When you sign in with Google, we receive and store:
As you use the extension, we store your vocabulary progress, quiz history, and settings (chosen language, daily goal, notification preference).
Your data is used solely to provide the LingoPop service — syncing your learning progress across sessions and personalising your quiz experience. We do not sell, share, or use your data for advertising.
The extension stores your session token and cached user info in chrome.storage.local on your device. This data never leaves your browser except to communicate with the LingoPop backend.
Premium purchases are processed by Lemon Squeezy, our Merchant of Record. Lemon Squeezy handles checkout and billing and receives the details you enter at checkout (such as your email and payment information). We never receive or store your card details.
Sign-in is handled by Google OAuth, and payments by Lemon Squeezy (above). No other third-party services receive your personal data.
Your account and progress data are retained as long as you have an account. You can request deletion at any time by contacting us.
Questions or deletion requests: [email protected]