@chrisvickers @buildyoursaas @jonbuda It is. All podcast apps pull from the podcast's hosting provider.

https://help.transistor.fm/article/8-why-do-i-need-transistor-can-t-i-just-record-my-audio-and-upload-it-to-apple-podcasts

We also provide a website for podcasts hosted on Transistor:
http://saas.transistor.fm