I dont believe that users got scammed due to downloading fake app directly from App Store. All apps passes tons of moderation before getting into App Store. Despite Google Play Store, which is full of fake and scam apps. It is mentioned that he had downloaded an app from App Store. That is a lie, there is no such app there and never was. Just another case of a user that does not care much about his security, as he "downloaded an app to check his balance".
So you claim that all those people lie and you know better?
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I did not know that fake apps manages to sneak through App Store moderation. Probably the amount of scam/fake in App Store is so little, so people does not talk about that much. Thanks for info. Now I will not feel as much secured as previously and install apps from App Store in a rush.