Agreed. I'd like to know the numbers on how much users are willing to pay for an application such as this. Having this metrics helps to determine the quantity/s

Agreed. I'd like to know the numbers on how much users are willing to pay for an application such as this. Having this metrics helps to determine the quantity/size of features in the application. Example, enterprise applications are loaded with features and have a much higher price point. On the other side, there are may free applications out there that are much more lightweight. Which market you choose to target helps determine the price point. That price point will drive the selection of features that go into the product.