FaceTime

FaceTime is a video chat feature that was designed, developed and distributed by Apple for iOS, iPadOS and macOS. It was first made available on the iPhone 4 and iPod Touch (4th gen.). It is also on the iPad 2, and has been implemented on recent Mac models with a FaceTime camera (formerly known as an iSight camera). It is now avaliable for all devices running iOS 4 and later, iPadOS, or Mac OS X 10.6.6 or later.

Devices supported

 * iPhone 4 or later
 * iPad 2 or later
 * iPod touch (4th generation) or later
 * Macintosh computers with a FaceTime camera, running Mac OS X 10.6.6 or later

FaceTime for iPhone
FaceTime was announced with the iPhone 4 at the 2010 Worldwide Developers Conference. At the time, it only supported FaceTime calls to other iPhone 4's over Wi-Fi, it has since then been enabled over 3G and became available on latter models.

FaceTime for iPod touch
The 4th generation iPod touch was announced at Apple's September 2010 event and was the first iPod touch with two cameras. It was initially only available in black, but at the "Lets talk iPhone" event in September 2011, Apple released a white version as well.

FaceTime for iPad
In March 2011 Apple announced the iPad 2, it featured the same two cameras in the 4th generation iPod touch, and also introduced HD FaceTime calling, which was added to Macs the previous year.

FaceTime for Mac
FaceTime for Mac was released onto the Mac App Store in January 2011 for Snow Leopard users (10.6.6 or later) for $0.99, it is also included in Mac OS X Lion for free. It has the ability to call other Macs with built-in cameras, iPhone 4, 4th generation iPod touch, iPad 2, or Later.