iPhone owners are the heaviest users of the DJ Nitrogen Ringtone Lab

Recent users of the DJ Nitrogen Ringtone Lab are more likely to be sync’ing their ringtones to an iPhone than to any other phone on the market. They also create and share the most ringtones. “iPhone users appear to be very happy with our Ringtone Lab for the iPhone,” says DJ Nitrogen CEO Chris Sindoni. “Our top users have each created over 30 ringtone recipes just in the last week, which indicates they like the easy sync through iTunes.”

The Ringtone Lab is fully 3G and 2.0 compatible. It’s free to download and try, works in any country and still features an introductory price of only $9.99.

Check it out at http://www.djnitrogen.com/iphonedownload.html