I used "Podcast Republic" for a long time, but it recently started downloading stuff automatically and I can't figure out how to tell it to stop. It filled up m

I used "Podcast Republic" for a long time, but it recently started downloading stuff automatically and I can't figure out how to tell it to stop. It filled up my storage with junk podcasts where I subscribed, but only listened to intermittently. So, I had to switch to spotify because it doesn't do that. I don't need to listen offline as much recently, since I wfh.