Usability testing

iOS 7 has taken top billing in Pfeiffer Consulting’s annual Mobile OS User Experience Benchmarks, scoring just over 73 percent against 57 percent for Android and 47 percent for Windows Phone.

The study attempts to calculate an objective rating for the usability of a mobile OS by a typical, non-technical user by measuring four elements:

• Cognitive load
• Efficiency
• Customization
• User experience friction … 
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