BJJChat vs SubMetrix

BJJChat is the dedicated companion app for Brazilian Jiu-Jitsu practitioners. Check in to class, track your training, and watch your progress without the friction of a generic gym app.

SubMetrix is the advanced Jiu-Jitsu tracker built for serious grapplers and academies. Turn every roll into data, find your weak spots, and watch your game evolve. TRACK EVERY ROLL Log sessions in seconds — Gi or No-Gi, rounds, intensity, duration, and partners. Build a complete history of your mat time and training volume. COMBAT INTELLIGENCE Record every submission you land and every tap you give up. SubMetrix turns it into a clear picture of your game: your Lethal Weapon (your highest-percentage finish), your Critical Weakness (what keeps catching you), and your Nemesis (the positions costing you rounds). KNOW YOUR NUMBERS Clean dashboards break down your submissions, positions, takedowns, and progress over time — so you stop guessing and start training with intent. FLOW MAPS & GAMEPLANS Chain your techniques into flows and build tournament-ready gameplans. See exactly how your A-game connects from takedown to finish. MENTAL RECALL Sharpen your knowledge with BJJ flashcards and terminology quizzes spanning positions, submissions, and concepts from white belt to black. — SUBMETRIX PRO — Unlock the full arsenal: • AI Companion — your personal on-device BJJ coach. Ask how to hit or escape any technique and get step-by-step breakdowns, plus advice personalized to your own logged training. It even remembers your session notes. Works offline, right on the mats. • Performance Analytics — deep dives into your trends and tendencies. • Tournament Gameplan builder. • Training Journal & Breath Trainer. • Export your full training data anytime. Whether you're a hobbyist chasing your next stripe or a competitor prepping for the podium, SubMetrix helps you train smarter and evolve faster. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/