“our cookies include Targeting Cookies from Google, Meta, Amazon, and other companies, which these companies may use to track your activities across multiple websites to deliver personalized advertising to you.”
This analysis describes what Duolingo's agreement states, permits, or reserves. It does not constitute a legal determination about enforceability. Regulatory applicability and practical outcomes may vary by jurisdiction, enforcement context, and individual circumstances. Read our methodology
The clause discloses that third-party companies can use cookies placed through Duolingo to track users beyond Duolingo's own platform for advertising purposes.
The updated policy now discloses that audio collection for product improvement applies to all users across all platforms (iOS, Android, and web), whereas previously the policy stated audio was collected only from iOS users. Android and web users are now subject to audio collection for product improvement purposes. All users can opt out of audio sharing within app Settings.
View change record →The updated policy introduces a new Session Replay service that logs user activity alongside FullStory, capturing clicks, mouse movements, scrolling, typing, device information, navigation, and learning activity. Both services can be disabled using the Tracking toggle in app Settings, and both are automatically disabled for child users. The new Math Tutor feature shares audio with Apple for speech recognition and immediate deletion, but retains and shares text transcripts with AI vendors. For payment processing and fraud prevention, Duolingo may retain IP addresses beyond the standard 30-day period. You can disable both FullStory and Session Replay activity recording by toggling the Tracking setting within the app.
View change record →By using Duolingo, your activity across multiple websites may be tracked by Google, Meta, Amazon, and other third-party companies via Targeting Cookies for personalized advertising.
How other platforms handle this
We receive information about users' activities on and off the Services from third-party partners, such as advertising and market research partners who provide us with information about users' interests in and engagement with our Services and online advertisements.
when you use Patreon to listen to a podcast that is hosted by a third-party hosting platform, your device connects directly to the third-party hosting platform to provide you with the requested material. When this happens, some of your personal data, like your IP address, browser and/or device type,...
Where features are available, you may choose to browse certain content in the platform without logging in an account or registering, in which case we may still collect certain Data, including the content you browse, IP address,your interactions with the platform,and associated your device informatio...
"our cookies include Targeting Cookies from Google, Meta, Amazon, and other companies, which these companies may use to track your activities across multiple websites to deliver personalized advertising to you.Excerpt from Duolingo's Privacy Policy
Netflix updated its Privacy Statement on April 18, 2026, disclosing voice recording collection and expanded household ad profiling for the first time.
Google's Privacy Policy covers Search, Gmail, YouTube, Maps, and every site running Google Analytics. Here is what it actually authorizes.
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The clause discloses that third-party companies can use cookies placed through Duolingo to track users beyond Duolingo's own platform for advertising purposes.
By using Duolingo, your activity across multiple websites may be tracked by Google, Meta, Amazon, and other third-party companies via Targeting Cookies for personalized advertising.
ConductAtlas has identified this type of provision across 285 platforms. See the full comparison.
No. ConductAtlas is an independent monitoring service. We are not affiliated with, endorsed by, or sponsored by Duolingo.