Why can’t I use my Apple TV plus on multiple roku units?
Can’t run Apple TV on more than one roku at my house
4230X,
Question marked as
You can install the Apple TV app on all compatible devices, without limit.
You can sign in to each of these with your Apple ID account.
You can stream up to six simultaneous Apple TV+ streams (devices) on one subscription.
Download and stream shows and movies from Apple TV+ and Apple TV channels - Apple Support