First Posted: 09/14/09 12:32 PM ET   Updated: 12/01/11 05:12 AM ET

As you've probably noticed, there are no shortage of iPhone apps. In fact, over one billion apps have been downloaded since Apple launched its mobile phone. The world of iPhone apps is so immense that famed venture capital firm Kleiner Perkins launched a $100 million fund to attract app-building entrepreneurs.

But Apple may have a growing problem on its hands. The number of inappropriate, borderline offensive and just plain pornographic iPhone apps has continued to grow. CNET reported recently that Apple is now refusing promo codes to any app that's rated 17+. Sports Illustrated recently released Swimsuit app may be pushing the app decency standards even further.

To help you sort through the app detritus, we've compiled 10 of the most inappropriate iPhone apps we could find, some of which are not be approved by Apple. Which iPhone app is just altogether wrong? Which app is just amateurish? View our SLIDESHOW and VOTE below:

If you come across any other objectionable apps, let us know. Leave your answers in the comments section.




"Naughty Trivia"
“Steamy questions & women in bikinis!” So screams the description of “Naughty Trivia,” questions for adults only that have “frequent/intense suggestive themes.”
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Filed by Ryan McCarthy  |