The iGrill on display at Macworld 2011in San Francisco. Tony Avelar/Bloomberg via Getty Images hide caption toggle caption Tony Avelar/Bloomberg via Getty Images The Salt Want To Grill Like A Zillionaire? There's An App For That September 1, 2012 Sales spiked for the iGrill, a Bluetooth-connected cooking thermometer for the iPhone, iPad and iPod Touch, after an enthusiastic online mention from Facebook founder Mark Zuckerberg. But is it worth the $80 pricetag? We put the iGrill through its paces.