If you are interested in creating a business out of it, you might want to look at ideas that will make money first and figure out the app around it. The other

If you are interested in creating a business out of it, you might want to look at ideas that will make money first and figure out the app around it. The other problem is that with only one person (you), there's only so many features you can add to an app, and a team (or AI) will now be able to duplicate those features. You need to come up with something fairly unique and hard to duplicate.