亦卦 app for iPhone and iPad 4.8 ( 6288 ratings ) Reference Developer: 嘉胜 陈 Free Current version: 3.1, last update: 3 months ago First release : 21 Apr 2020 App size: 1.6 Mb 本软件卦象采用改进纳甲法计算，结合计算机混沌算法处理，卦世应包罗万象。