@Denised
Thanks for the post.
Please be aware that there isn't a cost to using the official Roku mobile app. For more information about how to download the Roku mobile app, visit our Support page here: Install the mobile app
In regards to your Roku device, can you please clarify the issue you are experiencing? What are the steps to reproduce the issue? What specific troubleshooting steps have you already taken to try to resolve the issue?
With more detailed information, we will be assist you further.
Thanks,
Danny
Danny R.
Roku Community Moderator