Besides Apple Podcasts, Spotify, TuneIn, iHeartRadio, PlayerFM, YouTube, and Listen Notes, you can also submit your podcast to the following podcast apps to promote your podcast.
Submit your podcast to Podcast Addict:
Submit your podcast to Deezer:
Submit your podcast to Pandora:
Submit your podcast to Audacy:
Once listed in Apple Podcasts your podcast will automatically be available in the podcast apps below:
Overcast
Pocket Cast
Castro
Castbox
Podfriend
Goodpods
Submitting My Podcast to Apple Podcasts (iTunes)