It's been five years since the release of the first iPhone OS, and a lot has changed with each subsequent release. Take a stroll down memory lane as I chart the changes with each new version.

Apple announced last week at WWDC that 93% of users were running iOS 6, and the company just updated its public developer portal with a pie chart to show the numbers off visually. iOS 5 makes up ...

Apple iOS 6 vs. Android vs. Windows Phone (Comparison Chart) By Ginny Mies, Armando Rodriguez and Daniel Ionescu. Jun 11, 2012 3:15 pm PDT.

Last year marked the first combined release of macOS alongside iOS and iPadOS, but as this chart makes clear, that’s far from the norm. That said, timelines could shift.

While the interface does away with many of the gradients, bezels, and shadows that lent previous versions a faux 3-D effect, iOS 7 actually embraces the z-axis to a remarkable degree.