I would like to say that an in app way of purchasing the app would be great.
Something like what FUTO software does.
Just add the card details and click pay button, easy two step process.
If you want to receive compensation for the work you put into making the app, then you need to start treating it as work and call it a payment and not donation.
If you want to receive compensation for the work you put into making the app, then you need to start treating it as work and call it a payment and not donation.