Can I ask why? I’m a little baffled, maybe I’m just brainwashed that everyone loves apps because they use mobile devices more often. Especially for listening.
I'm not the parent, but I can answer why I feel the same way. It's a lot easier to manage some things on a website, especially if you have dozens of podcasts as I do.
GoodReads has a website and it's perfectly usable for doing everything they provide as a service. Also, this is not a listening app, by the way, according to the author, so there goes that point.
Ah okay, I assumed that it would link to the podcasts.