Success of mobile VOIP application Viber has shown how popular free app-to-app VOIP calling can be, and how wonderful it will be if you get a weekly top-up for 100 minutes free international talktime added to this already awesome offering. New, mobile VOIP service maaii is offering exactly this to give there service the initial popularity push, an attractive 100 minutes free maaiiout minutes talktime every week to make free international calls to non-maaii landline and cellphone users from your iOS and Android devices.

We have reviewed several free VOIP service provider from time to time, Voixio is another such free ad-supported VOIP provider, Voixio offers an easy to use flash interface to make free VOIP and video calls worldover, before connecting the call Voixio displays an video advertisement, this is the most promising ad-supported VOIP service we have reviewed.