You can easily use Real-Debrid on Firestick by integrating it with Kodi Leia and all the installed add-ons on Kodi like Exodus Redux, Covenant, and others. You can even use it with third-party applications and other free streaming apps on Kodi like Cinema HD, Cyberflix, and many others. In short, yes, you can use Real-Debrid on Firestick to get the most out of your streaming experience and get the best watching experience of your favorite content online.