Pocket Casts is a premium podcasting app for iPhone and iPad.

BeyondPod gives you access to thousands free audio and video shows from all over the world. You can search for podcasts or import them from popular sites.

Airing Pods helps you discover audio shows and podcasts.

gPodder is a media aggregator and podcast client.

AntennaPod is a free and open source podcast aggregator for the Android.