It does matter what the language / ecosystem is; learning curves are not equal across all of them. Having learnt Go a while back, I was surprised at how short a

It does matter what the language / ecosystem is; learning curves are not equal across all of them. Having learnt Go a while back, I was surprised at how short a period it took to feel at least reasonably comfortable & productive with it. I've seen the same with colleagues as well. That might not be so easily possible for a GUI mobile app though; maybe there's more necessary complexity there. But aiming for simplicity is a good goal to have regardless.