Thanks for your first post in the Roku Community!
We can certainly understand your concern that you want to know about the charges.
Have you verified that you currently do not have any active subscriptions by logging into your Roku account online at my.roku.com and clicking Manage your subscriptions?
For more information about how to review charges, visit our Support page here: What to do if there is a charge you do not recognize | Official Roku Support
If you still don't recognize the charge after reviewing it, contact customer support.
Please let me know if you have any other questions.