I’m using it and like it. It’s good to have access to all the cycling videos plus some yoga ones and training plans that are a mix of workouts and technique.
It’s better than the stand alone videos as it shows heart rate and power as part of the app, you used to need to use through trainer road to get this info.
I’ll probably be using it less now as the weather improves so will end the subscription till next winter.
I use the downloads so the workout doesn’t get ruined by buffering. I think you still need some kind of internet connection to show you have an active subscription. I can check if you need me to. Worst case you could probably pair laptop to your phone to verify your license?