Every now and then we like to survey some of the best mobile apps available, as the software industry is constantly in flux with new products being released and others going extinct.

It probably comes as no surprise to many owners of the Apple iPad 4 and iPad mini that these devices are still the most popular in the country, given how little you hear about competitors in this market place.

Recently, we wrote about the U.S. Air Force's efforts to replace its flight manuals with iPads in order save space and fuel while making life easier for pilots..

Those who don't follow the tech industry as closely may be forgiven for being confused about which version of Google's mobile operating system, Android, is the most current.