Duolingo shares your personal data with advertising companies like Google and Meta so they can show you targeted ads both on Duolingo and on other websites and apps.
Your learning behavior, device identifiers, and potentially purchase history are shared with advertising partners, enabling cross-platform behavioral profiling that goes well beyond the Duolingo app itself.
Cross-platform context
See how other platforms handle Advertising Data Sharing with Third Parties and similar clauses.
Compare across platforms →This sharing of your behavioral and profile data with third-party ad networks means your Duolingo activity can influence ads you see across the entire internet, and your data may be combined with profiles held by major data brokers.
REGULATORY FRAMEWORK: CCPA §1798.120 grants California residents the right to opt out of the 'sale' or 'sharing' of personal information for cross-context behavioral advertising. GDPR Art. 6(1)(a) requires explicit consent for advertising-based processing in the EU; recital 47 does not support advertising as a legitimate interest. FTC Act Section 5 applies to undisclosed or deceptive data sharing. ePrivacy Directive Art. 5(3) requires prior consent for tracking cookies. Primary enforcers: CPPA (California), EU DPAs, FTC.
Compliance intelligence locked
Regulatory citations, enforcement risk, and due diligence action items.
Watcher: regulatory citations. Professional: full compliance memo.