the quality is not that good, i always heard noise when I talked to someone. ( C/ o8 a( g1 {8 @' [4 R# tBut it worth to get it, at least it is free app you can get. D8 W! S; w' w0 G2 e% n3 ^; F: E8 F' T$ u f) o* S6 p
Gmail'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.