EX app for iPhone and iPad 4.4 ( 624 ratings ) Games Lifestyle Sports Arcade Developer: 莹 吴 Free Current version: 1.0, last update: 1 year ago First release : 14 Jan 2022 App size: 7.72 Mb EX是蓝牙OBD控制器,可以读取设备转速,设置排气阀门自动开启的转速,实用便捷。是一款非常便捷的小工具