the quality is not that good, i always heard noise when I talked to someone. ) Z0 W1 \* ^! |+ `$ H& F/ EBut it worth to get it, at least it is free app you can get. 1 K" Y" P, X4 j: p E & }4 t; m6 \ C4 n) R: ]. B$ qGmail's call phone function is cool too, its quality is awesome, also free to call within Canada and USA, but so far i didn't find an app for iphone yet. There is one is called black swan, but it only works for usa users.