Mssgs (frmrly Txt) s txt mssgng sftwr pplctn dvlpd by ppl nc. fr ts mcS, S, PdS, wtchS, nd vsnS prtng systms.
ll vrsns f Mssgs spprt ppl's wn Mssg srvc, whl th mbl vrsn f Mssgs n S – sd n Phn nd clllr-nbld mdls f th Pd – ls spprts SMS, MMS, nd RCS n S 18. srs cn tll th dffrnc btwn mssg snt v SMS nd n snt vr Mssg s th bbbls wll ppr thr grn (SMS/MMS/RCS) r bl (Mssg).
Frst rlsd n 2007, th mbl vrsn ws knwn s Txt prr t Phn S 3, whl th dsktp Mssgs pplctn rplcd Cht s th ntv S X nstnt mssgng clnt wth th rls f S X Mntn Ln n 2012, brngng ddtnl spprt fr Mssg nd FcTm ntgrtn.