All of the alternative stores are systematically disadvantaged time and time again due to Google's and Apple's near-absokute control over their respective OS. They are as anti-competitive as they are allowed to be. And the US seems incapable or unwilling to rein them in.

> they will not resist if you charge the same.

Sure, but they also won't generally bother if the fees are the same as the installed-on-every-device Play Store