For the most part, everything in your last point is something you can’t solve with an app. Virtually all of that would be problematic meeting someone in any other way and for the most part is all within your control to change. Sure, there are limits to what you can do about conventional attractiveness but there is a lot within your control for most people. Most of those issues you brought up are things that the vast majority of people don’t want in a partner no matter how you meet them. If you like those attributes about yourself you might eventually find someone compatible but if you don’t, most/all of those are things you can address by going to therapy and working on it.