As Apple eats its lunch, third-party apps like Castro can’t help but struggle to survive
The App Store can be pretty great. It's where we download apps for our iPhones and iPads and in some cases, Macs as well. It's full of great apps from wonderful third-party developers and while yes, there are some bad actors out there, I like to think that the majority are making great apps for their users. But it's getting harder and harder to do that, as rumors of one popular app's imminent demise prove.Castro is a podcast app that's been around for a long, long time. I used it years ago before switching to other apps…