How Duolingo's governance documents and clauses have shifted over time, by document, provision, and change direction.
Duolingo has made 2 significant policy changes since monitoring began in April 2026 (5 mo). 1 was negative for consumers, primarily involving data collection expansion.
Duolingo's Privacy Policy describes what personal information Duolingo collects about you and how it uses, stores, and shares it. By using Duolingo, you agree that it may record what you …
Duolingo's Terms set out the rules for using its service, including what you own (very little — Duolingo owns data and materials from your use, and keeps a permanent license …