It would be nice if this was an OS feature instead of implemented differently by every app developer. That way it could also be disabled system-wide with a sing

It would be nice if this was an OS feature instead of implemented differently by every app developer. That way it could also be disabled system-wide with a single setting. The OS could either show a nice dialog on update as shown in the article, or show it after the user has launched the app a certain number of times. Rating good apps that people use frequently is a benefit to all users.