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
This means your Duolingo learning behavior and device identifiers are being shared with major ad platforms, enabling cross-site tracking profiles that extend far beyond the Duolingo app itself.
The updated privacy policy no longer contains explicit language stating that Duolingo uses cookies to enhance user experience and analyze performance, or that it shares user information with social media, advertising, and analytics partners. The policy also no longer displays a 'Do Not Sell My Personal Information' button. These removals may affect the transparency of Duolingo's practices as disclosed in the policy document itself, though actual data practices may remain unchanged. Users should review the complete updated privacy policy to understand current disclosures about data collection and sharing.
View change record →The updated policy now discloses a new Math Tutor feature that processes audio through Apple for transcription; audio is deleted but text transcripts may be retained and shared with AI vendors. Duolingo also clarified that IP addresses may be retained longer than 30 days for paying subscribers specifically for payment processing and fraud prevention. The policy changed the Video Call feature from 'Duolingo offers' to 'Duolingo may offer', clarifying it is optional. You can disable FullStory and Session Replay activity recording using the Tracking toggle in app Settings.
View change record →The policy establishes that personal data collected during account creation and lesson activity is processed for service delivery and shared with designated advertising and analytics partners for targeted advertising and analytics purposes. Users in California may submit requests to opt out of personal data sales or sharing for cross-context behavioral advertising. Users in the EU and UK may submit requests to access, correct, delete, or port their personal data through specified channels.
How other platforms handle this
Information from cookies and similar technologies. See our Cookies Policy for more information. Information we receive from our marketing partners, including in some instances what marketing content you viewed or the actions you take on and off our Sites and Apps, to better understand your preferenc...
We automatically collect certain information from your device, including information about your web browser, IP address, time zone, and some of the cookies that are installed on your device. Additionally, as you browse the Service, we collect information about the individual web pages or products th...
Cookies are small data files that are commonly stored on your device when you access websites and online services. The text in a cookie contains a string of numbers and letters that may uniquely identify a device and can contain other information as well. This allows the web server to recognize your...
Monitoring
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"We use third-party analytics and advertising services, including Google Analytics and Facebook, to help us understand how users engage with our services and to deliver relevant advertising. These third parties may use cookies, web beacons, and similar technologies to collect information about your use of our services and other websites.— Excerpt from Duolingo's Duolingo 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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This means your Duolingo learning behavior and device identifiers are being shared with major ad platforms, enabling cross-site tracking profiles that extend far beyond the Duolingo app itself.
No. ConductAtlas is an independent monitoring service. We are not affiliated with, endorsed by, or sponsored by Duolingo.