I-Apple isanda kwethulwa i-watchOS 2, isibuyekezo sokuqala esikhulu se-Apple Watch esidlangalaleni. I-Apple ibihlela ukukhipha i-watchOS 2 eceleni kwe-iOS 9 kepha bekufanele ibambezeleke ngenxa ye- iphutha elibucayi ku-watchOS 2.
I-Apple imemezele i-watchOS 2 ku- I-Keynote WWDC 2015, futhi wabonisa ezinye zezici ezintsha nezithuthukisi, njengobuso obusha bewashi, isikhathi sokuhamba, ikhono lezinhlelo zokusebenza ezisebenza ngokwendabuko ku-Apple Watch, okusha imodi yasebusuku, ikhono le-FaceTime izingcingo zomsindo, nokuningi.
Izicelo ezivela eceleni zingasebenzisa ngokunenzuzo izici ezifana ne- Umqhele wedijithali, ukushesha, inzwa yokushaya kwenhliziyo, the isipikha y imakrofoni, ebekade itholakala kuphela kwezinye izinhlelo zokusebenza. Nge-watchOS 2, onjiniyela bazokwazi ukwakha izinhlelo zokusebenza eziyinkimbinkimbi ngokwengeziwe, ukuze babe manje run natively ewashini uqobo, esikhundleni sokuboshelwa kwi-iPhone ukuze isebenze kangcono, ngakho-ke kufanele bakhokhise ngokushesha nangamandla amakhulu.