If you are interested in the history of Apple Products & details of each , you will love Mactracker app.
” Mactracker provides detailed information on every Apple Macintosh computer ever made, including items such as processor speed, memory, optical drives, graphic cards, supported Mac OS versions, and expansion options. Also included is information on Apple mice, keyboards, displays, printers, scanners, digital cameras, iPod, Apple TV, iPhone, iPad, Wi-Fi Cards/Base Stations, Newton, iOS and Mac OS versions.”
You can download it for Free
App Store
Mac App Store
Technomirror 