How do you figure that? I find under 60 combinations of OS release and devices total since the AppStore was released:
* 2.0, 2.1 and 2.2 for iPhone, 3G, Touch 1G and 2G (12)
* 3.0 and 3.1 for gens 1-3 of each (12)
* 3.2 for iPad (1)
* 4.0, 4.1 for gens 2-4 of iPhone and Touch (12)
* 4.2 for iPad and gens 2-4 (7)
* 4.3 for iPhone 3GS and 4, Touch G3 and G4 and iPad 1 and 2 (6)
* 5.0 for all above + iPhone 4S (7)
For a total of 57 combinations of devices and OS. As a theoretical maximum (I don't think finding active 2G devices on iPhoneOS 2.0 is very likely).
How did you get to 75?
iPhone 4/5.0.1 iPhone 4S/5.0.1 iPhone 3GS/5.0.1 iPad 2G/5.0.1 iPhone 4/4.3.5 iPhone 4/4.3.3 iPod touch 4G/5.0.1 iPhone 3G/4.2.1 iPhone 3GS/4.3.5 iPhone 4/4.3 iPhone 4/5.0 iPhone 4/4.2.1 iPhone 4/4.3.1 iPad 1G/5.0.1 iPhone 3GS/4.3.3 iPhone 4/4.1 iPhone 4/4.3.2 iPhone 3GS/4.2.1 iPad 2G/4.3.5 iPod touch 2G/4.2.1 iPhone 3GS/4.1 iPod touch 3G/5.0.1 iPhone 4S/5.0 iPad 2G/4.3.3 iPhone 4/4.3.4 iPhone 3GS/5.0 iPhone 3GS/4.0 iPhone 4/4.0.2 iPhone 3GS/4.0.1 iPad 2G/5.0 iPhone 3GS/4.3.2 iPhone 3GS/4.3.1 iPhone 3GS/4.3.4 iPod touch 4G/4.3.2 iPad 1G/4.2.1 iPod touch 4G/4.3.5 iPad 1G/4.3.5 iPhone 3GS/4.3 iPhone 3G/4.1 iPad 1G/4.3.3 iPhone 3GS/4.0.2 iPod touch 3G/4.3.5 iPod touch 4G/4.2.1 iPhone 4/5.1 iPod touch 4G/4.3.3 iPhone 4/4.2.10 iPhone 4S/5.1 iPod touch 4G/4.1 iPod touch 3G/4.2.1 iPad 1G/4.3.1 iPad 2G/4.3.1 iPod touch 3G/4.3.2 iPad 2G/4.3.2 iPod touch 4G/4.3.4 iPad 1G/4.3 iPhone 3G/4.0.1 iPhone 4/4.0.1 iPod touch 3G/4.3.3 iPad 1G/4.3.2 iPad 1G/4.3.4 iPad 2G/4.3.4 iPod touch 2G/4.1 iPod touch 4G/5.0 iPod touch 3G/4.3.1 iPhone 4G/5.0.1 iPhone 3G/4.0 iPad 1G/5.0 iPad 2G/4.3 iPod touch 3G/4.1 iPod touch 3G/4.3 iPod touch 4G/4.3.1 iPhone 3G/4.0.2 iPhone 4/4.0 iPod touch 3G/4.3.4 iPod touch 3G/5.0
How do you figure that? I find under 60 combinations of OS release and devices total since the AppStore was released:
* 2.0, 2.1 and 2.2 for iPhone, 3G, Touch 1G and 2G (12)
* 3.0 and 3.1 for gens 1-3 of each (12)
* 3.2 for iPad (1)
* 4.0, 4.1 for gens 2-4 of iPhone and Touch (12)
* 4.2 for iPad and gens 2-4 (7)
* 4.3 for iPhone 3GS and 4, Touch G3 and G4 and iPad 1 and 2 (6)
* 5.0 for all above + iPhone 4S (7)
For a total of 57 combinations of devices and OS. As a theoretical maximum (I don't think finding active 2G devices on iPhoneOS 2.0 is very likely).
How did you get to 75?