[grace-baker Hexnode 28 January 2020 grace-baker Moderator]

Hey, Thanks for reaching out to us.

Please navigate to iOS–>Restrictions–>Allow Application Settings. Uncheck the option ‘You Tube’ to disable the YouTube app on the iOS device. The option is enabled by default. The features is supported only on devices below iOS 6.
You can also blacklist the YouTube app on iOS devices. Blacklisting can hide the app or prevent the app being run on the device. The feature is supported only on Supervised iOS 9.3 and above devices. Click here to know more about blacklisting.
You can also block the YouTube website by blacklisting the URL through ‘Web Content Filtering’. It is supported only on supervised iOS devices. Click here to know more on ‘Web Content Filtering’.

Cheers!
Grace Baker
Hexnode MDM