Facepalm: What is the best way to make sure your app has a five-star rating? Make a killer app? Nope. Shady developers have discovered an iOS flaw that allows them to create apps that will not open unless the user gives it a five-star rating on the App Store.
Self-proclaimed "Professional AppStore critic" Kosta Eleftheriou spotted an app ("UPNP Xtreme") that uses this bug. He tweeted a demo video showing it in action (below).
The review: “This app forced me to give it a good rating before I could use it.” You: “Pfff, no one’s FORCING you!” The app:
Bug in iOS Rating API allows developers to force users to give apps a good rating