Why don’t you just use pro-everything devices. Even top quality ones exist now, which can be reprogrammed to function as you wish. Apple is not the only option anyone has.
So you’re an app developer, the part “want to run my software” confused me. As an apple user, I’m afraid that I’m with apple here, because I’ve been experimenting with other platforms before and didn’t like it when people just ran their software without any rules on my phone. That big market share is partially the result of the rules that protect the consumer, and that is a good thing. (Btw, I’m okay with 3x price idea, I think it isn’t criticized by apple and would be not)