Kamfanin Aupuxin Enterprise ne ya haɓaka software na gwajin sauti na KK, wanda ake amfani da shi don sarrafa na'urar nazarin sauti don gwajin sauti.Bayan shekaru na ci gaba da sabuntawa, an haɓaka shi zuwa sigar V3.1 .
Don saduwa da nau'ikan buƙatun gwaji daban-daban a kasuwa, KK ya ci gaba da ƙara sabbin ayyukan gwaji: buɗe gwajin madauki, ma'aunin aikin canja wuri, ma'aunin kai tsaye, nunin zane-zanen ruwa, ƙimar bayyananniyar murya, da sauransu.