KartRider Rush+ is an Android app developed by NEXON Company ((주)넥슨코리아 주소: 경기도 성남시 분당구 판교로 256번길 7 우편번호: 13487 NEXON Korea Address: 7, Pangyo-ro 256beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea Post: 13487). Others apps created by NEXON Company are: Blue Archive, Darkness Rises, Godzilla Defense Force, KonoSuba: Fantastic Days, MapleStory M, V4.

KartRider Rush+ first became available on 11 May 2020. It is estimated that KartRider Rush+ has been downloaded between 10000000 and 50000000 times from the Play Store.