FORTUNE -- FixYa, which bills itself as the leading product Q&A destination on the Web and mobile, published a head-to-head comparison Friday of the reliability of four leading smartphone manufacturers: Apple (AAPL), Samsung, Nokia (NOK) and Motorola (GOOG).
The site looked at 722,558 troubleshooting requests, sorted them by manufacturer, calculated the ratio of market share to problem requests, and assigned each vendor a score.
The results are shown in the chart above (the higher score the better). According to FixYa, iPhones are nearly three times more reliable than Samsung's smartphones, five times more than Nokia's and 27 times more than Motorola's.
FixYa also supplied a list of the top five issues for each manufacturer (see below the fold). The biggest complaint about the iPhone, not surprisingly, was its battery life.
MacBooks and iMacs scored the highest marks in a survey of 79,000 tech users
"Apple once again smoked the competition," writes PC World's Jeff Bertolucci, summarizing the results of his magazine's annual service and reliability survey.
"The Macintosh and iPhone maker did so well that virtually all its scores were above average. Apple's only average scores were related to the company's deftness at replacing failed notebook components, and in MOREPhilip Elmer-DeWitt - Nov 30, 2010 7:49 AM ET
But Asus' computers are gaining fast on Macs in Rescuecom's fourth annual report
For the third year in a row, Apple (AAPL) has come in first in an annual survey of computer reliability conducted by Rescuecom, a national tech support company based in Syracuse, N.Y.
Rescuecom measures reliability by dividing each manufacturer's U.S. market share, as measured by IDC, by the percentage of calls requesting Rescuecom's service on each maker's machines.
Although Apple MOREPhilip Elmer-DeWitt - Feb 22, 2010 12:07 PM ET
|Obama wants to expand overtime pay|
|NJ agrees to ban Tesla direct sales|
|Inside the underground sex economy|
|Plug the financial leaks, now!|
|Tesla lashes out at Chris Christie|