Naka AG
BLaB [BOX]
FreeBLaB [BOX] offers free audio/video calls and text messaging. With BLaB [BOX] you are reachable at any time as long as there is a WiFi or 3G/4G...
iOSVoIP Chillisim
FreeIf you all ready have a Chillisim simcard you can save even more money on international calls with the Chillisim app.
iOS