MLB 9 Innings GM is an Android app developed by Com2uS (서울시 금천구 가산디지털1로 131 BYC 하이시티 A동 12층 (12F, A-dong, BYC Highcity B/D, 131, Gasan digital 1-ro, Geumcheon-gu, Seoul, Korea)). Others apps created by Com2uS are: Ace Fishing: Wild Catch, Golf Star, Homerun Battle 2, NBA NOW 22, MLB 9 Innings 22, Summoners War: Sky Arena.

MLB 9 Innings GM first became available on 21 Jun 2017. It is estimated that MLB 9 Innings GM has been downloaded between 1000000 and 5000000 times from the Play Store.