Sensors and software
Both devices offer the usual array of sensors, including three-axis gyros, accelerometers, ambient light sensors and GPS and GLONASS geolocation receivers. To those, Samsung adds an infrared emitter for remotely controlling nearby electronic devices. Both Galaxy Tab S models will ship with Android 4.4 Kit Kat and Samsung's TouchWiz UI multi-tasking UI and Knox security software on top. Samsung also offers SideSync 3.0, which brings up the screen of a nearby Samsung phone for answering calls, transferring files or performing other tasks remotely. iPad Air includes the 64-bit iOS 7 and its fine tools for content sharing, printing, notifications, cloud storage, remote control, Siri, FaceTime, iPhoto, GarageBand, an ebook reader and more.