Safari is a web browser developed by Apple Inc. included with the OS X and iOS operating systems. First released as a public beta on January 7, 2003, on the company’s OS X operating system, it became Apple’s default browser beginning with Mac OS X v10.3 «Panther». The native browser of iOS is also called Safari, but has a different graphical user interface (GUI) and uses a different WebKit version and application programming interface (API).