The benefit of having multiple user profiles is that now each user can set their own watchlist, track their progress, get personalized recommendations and more. Multiple user profiles are supported for both Android and iOS apps.
How to create multiple profiles
Launch the Amazon Prime Video app
Go to the “My Stuff” section
Tap on your account name, and select “Create profile” from the drop-down menu
You can add up to six different user profile
Netflix also supports multiple profiles on the same account, but unlike Amazon Prime, it supports only five user profiles.