"It could certainly slow things down a bit if there was the imposition of an extra approval process on top of Apple's own approval process. That would certainly turn a few people off developing on the iPhone platform."

During a Senate Estimates committee for Legal and Constitutional Affairs Legislation on October 19, director of the Australian Classification Board, Donald McDonald, .

He told the committee: "I recently wrote to the minister [Minister for Home affairs - Brendan O'Connor] regarding my concern that some so-called mobile phone applications, which can be purchased online or either downloaded to mobile phones or played online via mobile phone access, are not being submitted to the board for classification."

On its App Store, Apple provides country-specific classifications for movies and TV shows available for download.

All applications are classified by Apple using its recently introduced four-tier classification scheme, but users must turn on restrictions in iTunes and on the iPhone or iPod Touch in order to lock out offensive material.