When bought a new "ROKU Voice Remote PRO" 3 months ago it came with 3 months of "Apple TV" FREE. After my 90 days are up will I be charged. I want to cancel it after my 3 months are up.
Generally with these offers, you will automatically be charged unless you cancel.
Go to your online dashboard account at https://www.roku.com/ and after logging in, look under "My Account", then look for "Manage Your Subscriptions".