Apple fans keep sharing the love -- and loyalty -- for the iPhone. And their infatuation is proving infectious.

Thirty-eight percent of phone owners who don't have an Apple (NASDAQ: AAPL) iPhone would "probably" or "definitely" switch to the popular device upon their next purchase, according to a new study from market research firm Crowd Science.

On the other hand, only 14 percent of non-Blackberry smartphone users would switch to a Research in Motion BlackBerry for their next purchase.

That steep difference may not be surprising, considering that iPhone owners have higher rates of satisfaction compared to owners of other smartphones, according to Crowd Science's survey (available here in PDF format).

According to Crowd Science, 82 percent of the Apple iPhone users it polled indicate they're loyal to the iPhone brand. The study also said iPhone users account for one out of every three smartphone owners it studied.

Get the full story here at InternetNews.com.