7 ms·Its based on sms, that will be costly to.by GrumpyNl 5y agoIts based on sms, that will be costly to.taf2 5y agoAnd thanks to T-Mobile, at&t, Verizon it could just stop working with a2pfold3 5y agoDepends where you live, in France I have unlimited texts for 2€/Mo