The iPad Pro borrows heavily from the Surface Pro design with its larger form factor (a 12.9-in screen), keyboard cover and support for a stylus. But the iPad Pro relies on a purely mobile operating system — iOS. The Surface Pro 4, which ships next week, starts at $999 and offers more configurations (and a top-end price of $2,199). Almost all mid-to-large organizations have custom-sized apps that are more likely to run in enterprise.”]
Source: https://www.computerworld.com/article/2996497/can-the-ipad-pro-take-on-the-surface-pro-at-work.html