While Apple reiterated their intent to let every iOS user enjoy the fruits of the revolutionary iOS 9 operating system at the WWDC in San Francisco, developers working on new apps based on the new eco-system will now have an option of completely ignoring iOS devices which do not contain 64-bit CPUs, says 9to5 Mac.
Given that Apple had introduced 64-bit processors back in 2013 with the iPhone 5S, or more conveniently the iOS 7, developers are now focussed completely on building new apps and games on the much improved infrastructure that on the older 32-bit setup.
This is mainly because the 64-bit processors markedly improved GPU performance in iPhones and iPads which allowed users to enjoy heavier games and apps without putting their devices at risk of overheating. At the same time, the rate at which mobile gaming is progressing, it is getting increasingly difficult for developers to create modern apps that can work with the 32-bit CPUs.
This means if your iPhone is older than the iPhone 5S or if your iPad is older than the iPad Air, there is a significant chance that you will not be able to view, let alone play with, newer apps that will be based on iOS 9 updates.
The decision by developers isn't without basis though. Apple's customer retention figures in terms of iPhones and iPads have been admirable, and come September, the iPhone 5 would turn three generations old. In the meantime, Apple have added hundreds of millions of new customers who have purchased the iPhone 5S, 6 and the 6 Plus and will be able to enjoy superior architecture that the iOS 8 and iOS 9 now offers.
With the days of 32-bit iPhones well behind us, it will be more sensible, in our opinion, to rather upgrade than miss out on new technologies being made available quicker than ever.