Given the demographic of the iPhone users, it’s a no-brainer that any iOS developer must provide pure quality on all fronts and there shouldn’t be any compromise on that regard. To figure out the most suitable developer or agency for your projects acts as a tough conundrum as things can get tricky especially when you are hiring developers on remote facilities.
The IOS has never cared about the numbers. It has also never cared about the trends. The only thing it has cared about over the years is being able to provide quality solutions. Some of their features sure make a late entry into the world of mobile technology but when they do, they make sure they eliminate the competition.