Daniel Hruska I-Apple Watch kufanele iqale ukudayiswa ezinyangeni zokuqala zika-2015, kodwa lokho akusho ukuthi abathuthukisi akumele bayilungele. Kungakho i-Apple namuhla ikhiphe inguqulo ye-beta ye-iOS 8.2 futhi nayo yakhipha i-WatchKit, isethi yamathuluzi adingekayo ukuthuthukisa izinhlelo zokusebenza ze-Watch. I-Xcode 6.2 iqeda konke ukunikezwa konjiniyela kwanamuhla.
V ingxenye emakhasini kanjiniyela we-WatchKit, ngaphezu kokufingqa izici ezifana nokuthi Glances noma izaziso ezisebenzisanayo, kunevidiyo yemizuzu engu-28 echaza ukuthi ungaqala kanjani ngokuthuthukiswa kohlelo lokusebenza lokubuka kanye nokuthuthukiswa kokubuka sekukonke. Kukhona futhi isixhumanisi sesigaba se-Human Interface Guidelines for Watch, okungukuthi isifinyezo semithetho enconyiwe yokuthi izinhlelo zokusebenza kufanele zibukeke kanjani nokuthi kufanele zilawulwe kanjani.
Njengoba bekwaziwa kusukela kwethulwa i-Watch, i-Apple Watch izotholakala ngamasayizi amabili. Okuhlukile okuncane kuzoba nobukhulu obungu-32,9 x 38 mm, okuhlukile okukhulu kuzoba nobukhulu obungu-36,2 x 42 mm. Ukulungiswa kwesibonisi kwakungaziwa kwaze kwaba yilapho kukhishwa i-WatchKit, futhi njengoba kuvela, nalokho kuzoba amaphikseli amabili - 272 x 340 okuhlukile okuncane, amaphikiseli angu-312 x 390 kokuhluka okukhulu.
Silungiselela imininingwane enemininingwane mayelana ne-WatchKit.
