Duolingo and its advertising partners use cookies and tracking tools to monitor how you use the app and website, and to target you with personalized ads. You can adjust these settings through your browser or Duolingo's cookie preferences.
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 clause establishes the operational basis for behavioral tracking and ad targeting infrastructure. It specifies the mechanisms through which usage data collection occurs and identifies the channels through which users may exercise preference controls.
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 →Removal of this provision eliminates explicit disclosure about tracking technologies and user control mechanisms, which is particularly important for transparency around targeted advertising practices.
View full change record →Every time you use Duolingo's website, third-party trackers from companies like Google and Meta collect data about your behavior, which is combined with their own profiles of you and used to target advertising across the internet.
How other platforms handle this
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...
We and our third-party partners may use cookies, web beacons, pixel tags, and other tracking technologies to collect information about your use of our website and apps, including your browsing activity, device type, IP address, and referring URLs. We use this information to personalize your experien...
We, or our service providers, and other companies we work with may deploy and use cookies, web beacons, local shared objects and other tracking technologies for the following purposes: fraud prevention and monitoring our advertising and marketing campaign performance. Some of these tracking tools ma...
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"We and our partners use cookies, web beacons, and similar tracking technologies to collect information about your use of our services and to provide you with targeted advertisements. You can control cookies through your browser settings and our cookie preference center.— Excerpt from Duolingo's Duolingo Privacy Policy
REGULATORY FRAMEWORK: EU ePrivacy Directive Art. 5(3) requires prior informed consent for non-essential cookies. GDPR Art. 6(1)(a) applies to consent-based tracking. CCPA/CPRA treats cross-context behavioral advertising cookies as 'sharing' of personal information requiring opt-out. FTC Act Section 5 applies to undisclosed tracking. UK PECR Regulation 6 mirrors ePrivacy requirements. Primary enforcers: EU DPAs (especially CNIL, which has fined Google and Meta for cookie consent failures), ICO, CPPA.
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This clause establishes the operational basis for behavioral tracking and ad targeting infrastructure. It specifies the mechanisms through which usage data collection occurs and identifies the channels through which users may exercise preference controls.
Every time you use Duolingo's website, third-party trackers from companies like Google and Meta collect data about your behavior, which is combined with their own profiles of you and used to target advertising across the internet.
No. ConductAtlas is an independent monitoring service. We are not affiliated with, endorsed by, or sponsored by Duolingo.