Peter Chen's Blog
A Comparison Between iOS vs Android Fragmentation

Here’s a great comparison showing the difference in OS fragmentation between iOS and Android - http://pxldot.com/post/18754186750/ios-ebb-and-flow.

From the article: “iOS devices have, on average, reached 10% version share 300 times faster than Android versions, 30% share 19 times faster, and 50% share 7 times faster”

Market Share for iOS Versions

Version info on wikipedia:

Market share articles:

Summary from Instapaper, 8/13/2011

  • 4.3: 82.5% use version 4.3 or greater
  • 4.2: 96.0% use version 4.2 or greater
  • 4.0: 98.4% use version 4.0 or greater
  • 3.2: 99.0% use version 3.2 or greater

Summary from Bump app, 1/13/2011

  • Binned by major rev:
    • 4.x: 89.73 %
    • 3.x: 10.25 %
    • 2.x: 0.02 %
  • Individual minor revs:
    • 4.2.1: 52.89 %
    • 4.1: 27.50 %
    • 3.1.3: 6.43 %
    • 4.0.2: 3.36 %
    • 4.0.1: 2.95 %
    • 4.0: 2.94 %
    • 3.1.2: 2.52 %
    • 3.2.2: 0.49 %
    • 3.0: 0.22 %
    • 3.1: 0.21 %
    • 3.0.1: 0.10 %
    • 3.2: 0.10 %
    • 3.1.1: 0.10 %
    • 4.2: 0.09 %
    • 3.2.1: 0.07 %
    • 2.2.1: 0.02 %
    • 2.2: 0.00 %