Windows Metro and iPad apps face off in 16 categories
The iOS app model is now the holy grail, and Microsoft has adopted it all-out in its Metro UI, which forms the core experience in Windows RT tablets and the preferred experience in Windows 8 PCs. (Microsoft dropped the Metro name this summer but has no replacement, so I continue to call it Metro.)
Metro's UI approach is simpler and bolder than iOS's. But apps typically do less and require you to open menulike bars to access some features, whereas iOS typically keeps all relevant controls onscreen.