If you subscribed to Shudder through a third party (Amazon, the Apple App Store, Google Play, iTunes, PayPal, Roku, or YouTube TV), you’ll have to have to cancel Shudder through those services via a browser. The steps are similar. ...
even if you’re not in one of the regions officially supported by the app. The instructions in the guide are applicable to all Fire TV devices, including FireStick Lite, Fire TV Cube, FireStick 4K Max, and FireStick 4K.