價格：免費
檔案大小：22.7 MB
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
AJF Students are encouraged to download and use this program to help them study. We include detailed information for each belt in your journey to your black belt and beyond.
It is also recommend to have running while at our tournaments. Events notices are sent out in real time to all users during the tournaments.
支援平台：iPhone, iPad