It has an audio ad on the Home tab everyday which can earn you some sats.

It also has promoted podcast episodes on the Home tab which also will earn you sats for listening to those.

Lastly, if you just listen to your favorite podcasts, randomly each day you will earn X sats per minute between 0 to 100 for 60 minutes. A few times I’ve earned 6000 sats for listening to a podcast.