Mac OS X Softwares to Auto-delete on listen

Downcast is a leading podcast player available across Apple's ecosystem, including iOS, macOS, Apple Watch, and CarPlay. It offers robust features for discovering, subscribing to, and managing your favorite podcasts with seamless synchronization.

gPodder is a free and open-source podcast client and media aggregator designed for managing and listening to your favorite podcasts. It simplifies the process of discovering, subscribing to, downloading, and organizing audio and video podcast episodes, offering a user-friendly experience across multiple platforms.