. Cross-platform nature makes it more flexible
Apple iOS is fairly hostile when it comes to other platforms and requires developers and companies to submit an application for a service they want added to its OS, so it can be vetted first. The firm has a very strict policy that forces developers to play by its rules if they hope to get any software onto iOS.
This is a bit of an issue for businesses using legacy systems or older applications as it means they may not be able to get all their essential tools working with iOS. By comparison, Android is entirely open, and has designed its software developer kit (SDK) to work across as many platforms as possible. As a result it's quicker and easier for companies to get any Windows or Linux app they need onto Android than it is on iOS.