How can I reduce podcasts storage.

Howdy Opelu,

Thanks for using the Apple Support Communities.

If you want to delete or unsubscribe from podcasts on your iPhone then I suggest you follow the information below.

Delete podcasts

Unsubscribe from podcasts or remove individual episodes from the Podcasts app.

Unsubscribe from a podcast

In the My Podcasts tab, find the podcast that you want to unsubscribe from. Swipe left on the episode, and tap Delete.

Delete a specific episode

Find the episode that you want to delete. Swipe left on the episode, and tap Delete.

Learn how to manage podcast subscriptions.

Delete music, movies, apps, and other content from your iPhone, iPad, or iPod touch

Take care.