On-demand explanations
The model runs only after the user clicks the explanation button. It does not automatically send every Duolingo screen.
Chrome extension for Duolingo learners
Understand every Duolingo answer, not just the score.
Duolingo AI Tutor adds an on-demand explanation panel to Duolingo lessons. Click once to get common grammar analysis, option explanations, key vocabulary breakdowns, and extended learning notes.
Install the extension from the Chrome Web Store. Paid plans are managed securely after sign-in.
What customers get
Multilingual learning
Supports explanation output for English, Chinese, Japanese, Spanish, and French learning workflows.
Usage controls
Beta and paid plans include clear usage limits so learners can choose the amount of help they need.
Pricing
Beta
$0/ month
- 10 AI explanations per day
- Google sign-in
- No automatic charge
Pro
$4.99/ month
- 50 AI explanations per day
- Hosted subscription checkout
- Subscription management portal
Max
$9.99/ month
- 100 AI explanations per day
- For frequent learners
- Subscription management portal
Support
Questions about the extension, billing, cancellation, refunds, or account deletion are handled by email.