How can I manage my podcast subscription on my iPhone?

Please see the video below on how to manage your subscriptions on your iPhone:

You can view and manage your subscriptions and free trials right in the Settings app on your iPhone! 

Step 1: Tap on the Settings icon from your home screen, then tap on your name from the Settings menu.

Step 2: Tap Subscriptions, which will show you all of your currently active subscriptions and allow you to manage them completely.