and further, people will only decide to buy a paid app if they know it fills a specific need. they will read reviews, check to make sure this app fills their ne

and further, people will only decide to buy a paid app if they know it fills a specific need. they will read reviews, check to make sure this app fills their need. free apps are downloaded before the user decides if they are useful- and thus obviously aren't. i don't think this has "proven" that is makes any sense to keep your app at a high price. it is a correlational relationship, not causal