The "Incognito Mode" in browsers is a well-known feature for quite some time now and it's extremely useful, especially if you are logging into your account when using someone else's computer. Well now, YouTube is testing the very same feature on its Android app. YouTube already has a feature that prevents the app from recording watch and search history and you can find it under Settings > History & privacy. But the new Incognito Mode should be easier to access by just tapping your account picture in the top right corner, where a "Turn on Incognito" toggle will be available. No need to...
Source: https://www.gsmarena.com/youtube_is_testing_an_incognito_mode_in_its_app-news-31073.php