“We will retain your IP address for no more than thirty (30) days, unless exceptional circumstances require longer retention.”
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 establishes a specific upper bound on IP address retention but includes an exception for exceptional circumstances that could extend retention indefinitely.
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 →Your IP address will generally be deleted within 30 days, but Duolingo may hold it longer if it determines exceptional circumstances apply.
How other platforms handle this
Except for the IP address used to create your account, Reddit will delete any IP addresses collected after 100 days.
We may retain some of your Data even after you cease to use our Services, for instance if the Data is necessary to meet our legal obligations, such as tax and accounting requirements.
Where specific retention periods are required by law, we comply with those timeframes; otherwise, we apply the criteria above to determine how long to retain the information.
"We will retain your IP address for no more than thirty (30) days, unless exceptional circumstances require longer retention.Excerpt from Duolingo's Privacy Policy
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The clause establishes a specific upper bound on IP address retention but includes an exception for exceptional circumstances that could extend retention indefinitely.
Your IP address will generally be deleted within 30 days, but Duolingo may hold it longer if it determines exceptional circumstances apply.
ConductAtlas has identified this type of provision across 267 platforms. See the full comparison.
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