Number of unique devices = 1029
Number of visits = 19703

OS version:

3.0 => 11
3.1 => 5
3.1.1 => 2
3.1.2 => 102
3.1.3 => 862
3.2 => 37
4.0 => 4

Device type:
iPhone => 874
iPad => 37
iPod Touch => 118

Version:
1.0 => 487
1.1 => 539
1.2 => 0 (coming soon)