I run an iOS app on the side thats at ~$2500 MRR. It lets you generate music playlists from a prompt, like "make me a playlist for music to listen to while coding". I launched in January and it took 2 weeks to get the first $2k in revenue.
Yeah that could happen. I'm a Spotify user so I did that first. I took a quick look when starting and the Discover feature wouldn't work with Apple Music (playlists are private without an api to make them public), but the creating the playlist should be possible
It was also picked up by FastCompany, TechCrunch, some others, which has helped people continue to find it