Duolingo: Difference between revisions
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====Privacy==== | ====Privacy==== | ||
According to the privacy policy, if a Duolingo Max user utilizes artificial-intelligence (AI) features, a copy of their text or audio data will be shared with vendors such as [[OpenAI]].<ref>{{Cite web|url=https://www.duolingo.com/privacy|title=Privacy Policy|work=Duolingo|date=2024-09-11|access-date=2025-03-26|archive-url=https://web.archive.org/web/20250124094802/https://www.duolingo.com/privacy|archive-date=2025-01-24|url-status=live}}</ref> This is also similar for non-AI features, as Duolingo "may also collect and analyze your speech to help [it] understand the effectiveness of [its] lessons and to improve the product", though the data | According to the privacy policy, if a Duolingo Max user utilizes artificial-intelligence (AI) features, a copy of their text or audio data will be shared with vendors such as [[OpenAI]].<ref>{{Cite web|url=https://www.duolingo.com/privacy|title=Privacy Policy|work=Duolingo|date=2024-09-11|access-date=2025-03-26|archive-url=https://web.archive.org/web/20250124094802/https://www.duolingo.com/privacy|archive-date=2025-01-24|url-status=live}}</ref> This is also similar for non-AI features, as Duolingo "may also collect and analyze your speech to help [it] understand the effectiveness of [its] lessons and to improve the product", though the data is anonymized. | ||
It is also mentioned that when completing a lesson, a video of a user's lesson "will be logged by a service called FullStory". This service records usage patterns, device specs, and learning activity, and is only disabled by default for child users. Opting out requires going to FullStory's website. | It is also mentioned that when completing a lesson, a video of a user's lesson "will be logged by a service called FullStory". This service records usage patterns, device specs, and learning activity, and is only disabled by default for child users. Opting out requires going to FullStory's website. | ||
The policy states the app works with third-party advertising networks to personalize advertising, such as with [[Google]], [[Meta]], [[OAuth]], and [[Unity]]. Personalized advertising can be disabled in the app's settings. | The policy states the app works with third-party advertising networks to [[Personalized Ads|personalize advertising]], such as with [[Google]], [[Meta]], [[OAuth]], and [[Unity Engine runtime fee|Unity]]. Personalized advertising can be disabled in the app's settings. | ||
The Exodus Privacy project lists as many as 13 tracking, advertising and analytics service libraries being present in the Android version of the app.<ref>{{Cite web|url=https://reports.exodus-privacy.eu.org/de/reports/com.duolingo/latest/|title=Report for com.duolingo 6.22.3|work=exodus|date=2025-03-25|access-date=2025-03-26|archive-url=https://web.archive.org/web/20250326193207/https://reports.exodus-privacy.eu.org/de/reports/com.duolingo/latest/|archive-date=2025-03-26|url-status=live}}</ref> The app does not work for more than about one lesson without internet access, hence turning off internet access is not an option to prevent data exfiltration. The [https://trackercontrol.org/ F-Droid version of Tracker Control] can help with blocking some of the traffic to these services without impacting the functionality of the app. | The Exodus Privacy project lists as many as 13 tracking, advertising and analytics service libraries being present in the Android version of the app.<ref>{{Cite web|url=https://reports.exodus-privacy.eu.org/de/reports/com.duolingo/latest/|title=Report for com.duolingo 6.22.3|work=exodus|date=2025-03-25|access-date=2025-03-26|archive-url=https://web.archive.org/web/20250326193207/https://reports.exodus-privacy.eu.org/de/reports/com.duolingo/latest/|archive-date=2025-03-26|url-status=live}}</ref> The app does not work for more than about one lesson without internet access, hence turning off internet access is not an option to prevent data exfiltration. The [https://trackercontrol.org/ F-Droid version of Tracker Control] can help with blocking some of the traffic to these services without impacting the functionality of the app. | ||
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Recently, some of the timed learning games inside the app are impossible to complete in the time allowed, even for a native speaker of the language.{{Cite}} In order to win, the user needs to pay for a subscription to buy more time. This also means that the learning high scores can essentially be bought. | Recently, some of the timed learning games inside the app are impossible to complete in the time allowed, even for a native speaker of the language.{{Cite}} In order to win, the user needs to pay for a subscription to buy more time. This also means that the learning high scores can essentially be bought. | ||
=== Abusing iPhone Dynamic Island Feature for advertising (2026) === | ===Abusing iPhone Dynamic Island Feature for advertising (2026)=== | ||
Ignoring Apple's app store guidelines, the company used the Dynamic Island feature, an area of the iOS screen reserved for notifying users of progress of background processes, to push a sales promotion with a countdown via its iPhone app.<ref>{{Cite web |last=Schwan |first=Ben |date=2026-01-05 |title=Duolingo is putting ads in Apple's Dynamic Island – even though it's not allowed |url=https://www.heise.de/en/news/Duolingo-is-putting-ads-in-Apple-s-Dynamic-Island-even-though-it-s-not-allowed-11128917.html |access-date=2026-01-05 |website=Heise Online}}</ref> | Ignoring Apple's app store guidelines, the company used the Dynamic Island feature, an area of the iOS screen reserved for notifying users of progress of background processes, to push a sales promotion with a countdown via its iPhone app.<ref>{{Cite web |last=Schwan |first=Ben |date=2026-01-05 |title=Duolingo is putting ads in Apple's Dynamic Island – even though it's not allowed |url=https://www.heise.de/en/news/Duolingo-is-putting-ads-in-Apple-s-Dynamic-Island-even-though-it-s-not-allowed-11128917.html |access-date=2026-01-05 |website=Heise Online |archive-url=http://web.archive.org/web/20260106005825/https://www.heise.de/en/news/Duolingo-is-putting-ads-in-Apple-s-Dynamic-Island-even-though-it-s-not-allowed-11128917.html |archive-date=6 Jan 2026}}</ref> | ||
==Products== | ==Products== | ||