Wouldn’t be good if you knew what an app can do before you buy it? Well I have for a number of years been collecting, classifying and evaluating a number of apps which you can see on this website under “Apps” and then “Online App Database”
You can also add your own apps and classify them according to pre-set values. To do this follow the link here or on “Apps”:-
It’s completely free and open 24hrs a day without the need for passwords or usernames! Enjoy!