Wireless Thermometer Prices. Now let’s look at wireless thermometer prices. For a single probe, Typhur Sync One, Chef iQ and ThermoPro are $80. Meater Pro is $100. Combustion Inc is $150. And ThermoWorks RFX is $160.For probes less than $100, the Typhur Sync One is the better option because it comes with WiFi and is longer than the others. For probes above $100, the ThermoWorks RFX is the better option because it has WiFi and a more accurate ambient temp setup. You’ll very likely want to get mor