Castro is still pretty fresh in the iOS App Store (currently version 1.0.6, first release came in late 2013) but has already beaten the competitors in my opinion. Here is why: Castro is winning by simplicity. Focusing on features and using using the fresh iOS 7 design. Great simple feed search engine (worked perfect for my favorite German podcasts). Push notification works. It is stable. Once again, I like the simple intuitive design. Other settled podcast player in iOS market help Castro to succeed by not fixing their issues. I am coming from Instacast and this is why I think it does not fit anymore: When I open Instacast by sliding push messages on my lock screen it crashes nearly up to 50%. Up Next Feature does not work for me. Lists are useless, everything works just through Up Next. Sync feature with its OS X app is a mess, similar to Apple’s Podcast app. This is why Apple’s Podcast app does not work either: Sync with other iOS and OS X devices is a mes...