From PodNews:
Pocket Casts is free on your phone; but with Pocket Casts Plus, you’ll get access to additional features, including watch apps, themes and icons, and additional content.
You’ll also get access to the Pocket Casts desktop and web app - perfect for listening at work (or managing the shows you follow).
Credit Card/Paypal is required for the subscription. You can cancel the subscription straight after signup.