Duolingo: Difference between revisions

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====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 ~~are~~ anonymized.

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.

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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.

=== 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 |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>

@@ Line 14: / Line 14: @@
 ====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 are anonymized.
+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.
@@ Line 44: / Line 44: @@
 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 |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>