Castmagic vs Descript
Castmagic turns recordings into dozens of content assets automatically. Descript lets you edit recordings by editing text. Castmagic is about content multiplication; Descript is about content editing.
Verdict
They solve different problems. Descript is for editing your recording. Castmagic is for extracting content from your recording. If you record a podcast and need to edit it, Descript. If you record a podcast and need 20 social posts, show notes, and a newsletter from it, Castmagic. Many podcasters use both.