This is by design. The more times you can be made to pay for the same or similar thing, the more money the various stores make. Also, for those saying comparin

This is by design. The more times you can be made to pay for the same or similar thing, the more money the various stores make. Also, for those saying comparing web pages to applications is unfair because it's more like comparing _content_ to applications; what about the first things you would call "applications" that came out around that time? All that Javascript still works, because each iteration of our JS engines has been backwards compatible.