Earlier quoted context omitted.
Better yet, just charge a dollar for the app. Link from the primary website to the app store, so people can buy the right one.
No thanks. If I'm donating to a good cause, I don't want the App Mafia taking a 30% cut. That just reinforces this bad behavior.
at some point someone gonna pay for the datacenters, the wires and all these stuff needed for software distribution.
Try running your own site on your own servers and paying for the data traffic and then do the math.
30% is ok