I am using the standard podcast app that comes with iOS 7. I have subscribed to about 8-9 different podcasts. Commonly I will take my phone with me when I leave the apartment, and then when I get on the subway I will attempt to listen to a podcast. Invariably, the podcast won't play because no cellular connection is available. To solve this issue I have indicated through the podcast app that I would like episodes to be automatically downloaded when they become available. However, they don't get automatically downloaded. This absolutely infuriates me.