Isicelo segqala lePaintBrush yam simahla kangangexesha elithile kwivenkile yesicelo seMac. Inyani yeyokuba sisicelo esinomdla kubasebenzisi abaninzi abafuna isixhobo soyilo lomzobo kwinqanaba elisisiseko, kodwa ukuqala kule okanye ukuphuma. Ingxaki inokusilungela ngokwenene. Ayisosixhobo esinemisebenzi emininzi njengePixelmator kwaye incinci njengePhotoshop, kodwa ilula kakhulu ukuyisebenzisa kwaye isivumela ukuba siphume kwimeko ebesingayilindelanga ngaphandle kweengxaki. Kwakhona ngoku kunye nexesha eliqingqiweyo Siyifumana simahla ngokupheleleyo kwiMac App Store.
Esi sicelo saphehlelelwa ngoNovemba ka-2012 kwaye sidlule kwizigaba ezininzi ngalo lonke eli xesha. Kule mihla imela ezinye zezicelo zobuchwephesha ngakumbi ngenxa yokulula kwayo ngokukhawuleza kunye nokudibanisa umfanekiso kunye nojongano olusisiseko. Isicelo sixhasa iifomati zemifanekiso: PNG, JPEG, TIFF, BMP, GIF. Kukuzoba kunye nesicelo sokupeyinta usebenzisa iibrashi kunye nezixhobo ezisisiseko.
Olona phawu lubalaseleyo lwePaintBrush yam kukuba sisicelo "esenziwe ekhaya" ngokufanelekileyo sokuphinda sichukumise kwaye oku kusinika ukulula kakhulu, kodwa ukuba siqhele ukusebenzisa olu hlobo lwezixhobo zoyilo. Olu setyenziso lunokuba mfutshane kancinane. Ngakolunye uhlangothi, kwaye kuthathelwa ingqalelo ukuba ikhululekile ngokupheleleyo ixesha elilinganiselweyo, ingaba lixesha elifanelekileyo lokuyifumana ngoku emva kokuhlaziywa kwinguqulo ye-1.5.0.