Jiu Jitsu Reference
BJJ Knowledge Journal
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About
Jiu Jitsu Reference helps you log live training moments, track what you land, miss, and concede, and review your personal jiu-jitsu knowledge over time.
Create logs quickly, connect them to training partners and knowledge nodes, and use the app to spot what is working, what is slipping, and what needs study next.
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What's New in Jiu Jitsu Reference
1.3.1
July 18, 2026
Adds the mobile Knowledge graph, refreshed Knowledge detail layout, and reviewed Knowledge node image support.