MiniCast can send podcast episodes from Apple Podcasts, Overcast, Castro and Pocket Casts to your Apple Watch. Hit the Share icon in your favorite podcast app, send it to your Apple Watch and listen on the go - without taking your iPhone with you!
Apple Watch is a great product and it becomes even better when you don't have to carry your iPhone with you to listen to music. Liberating.
You don't need the iPhone to listen to music & podcasts
Nothing comes to mind