Aside from all the major features that hit iPhones and iPad after the wake of iOS 11, a bunch of incremental features and new functionalities have debuted on Apple's OS, but have sadly flown under the radar.
One of these allows you to get rid of those useful to app developers, but quite possibly very pesky to regular users "Rate our app!" pop-up notifications and all of their differently-worded variations. Usually, such pop-ups defeat their intended purpose and instead of positive feedback could easily steer users in the other direction and worsen their experience with the specific app or game.
So, here's how you can disable said prompts if you wish so.