I don't think the app owners should get a free ride but 30% is waaaay too much of a chunk. Even 15% is a lot of money after the first year. I'm almost positive

I don't think the app owners should get a free ride but 30% is waaaay too much of a chunk. Even 15% is a lot of money after the first year. I'm almost positive 5% would cover costs and sprinkle some profit on top.