Originally Posted by
Pranshul Sood its so because all those users who downloaded the app before on a free basis like from myappfree deals, the app has to be bought by those users in order to use it. Uninstall and then you will notice that the app is no lobger free
Nope, not true. If an app has been made free and you purchase it during that time, it will still count as purchased later on, when the price has increased again. The WP store doesn't make any difference there. If an app prompts you to purchase it again, it's nothing but a glitch that requires a bugfix. Something Christopher is already working on.