Apple seems to giving the appearance they are doing something about it. They claim they will remove apps that sell your location data. However Foursquare is still in the App Store, so we can’t take their claims seriously yet.
> They claim they will remove apps that sell your location data
They most definitely do not remove such apps.
Use an app like Charles Proxy or Burp Suite to inspect the traffic of your phone when running the “Perfect365” app. It is really remarkable, and Apple is aware of what they are doing.
The trust has been broken. There needs to be a way to make sure this is a transition to "paid, no ads/tracking" and not "paid plus ads/tracking".
One interesting side effect of GDPR is the surprising amount of PC games - games for which I paid price that's presumably profitable to the authors - that started throwing up consent forms.