iPad Pro is a line of tablet computers designed, developed, and marketed by Apple Inc., that runs the iOS mobile operating system. It is available in two screen sizes, 9.7-inch and 12.9-inch, each with three options for internal storage capacities: 32, 128 or 256 GB; the 256 GB configuration making the iPad Pro the first iOS device to offer that storage size.
The first iPad Pro, the 12.9-inch version, was announced on September 9, 2015, and released on November 11, 2015. It is larger than all previous iPad models and the first iPad tablet to feature LPDDR4 RAM. The 12.9-inch tablet was later followed by the smaller 9.7-inch version, which was announced on March 21, 2016, and released on March 31, 2016. Compared to the iPad Air 2, the 9.7-inch iPad Pro features a faster CPU, a better camera, and is the first iPad to feature True Tone Flash and Retina Flash. It also had the highest storage for an iPad with a 256 GB storage option and included True Tone display, which allows the LCD to adapt to ambient lighting to change its color and intensity in different environments.