Ask HN: Selling app IP?

I have an iOS app side project that's making ~$2-$4k a month, it has been reasonably consistent in revenue for the past year.

It requires a little bit of maintenance and support, and could probably make more if there was a stronger focus of improving it and listening to customer requests.

I don't have that time. Whereas the money is a nice bonus, I feel like someone else could benefit more from it than I have time and interest for. But I have no idea where to even start thinking about selling an App codebase/IP. An Android port would be fairly easy as well, but again.. time and general interest in the project has diminished on my behalf.

I was hoping someone could give me a bit of insight from their point of view. Anything is appreciated.