Post Black Belt

Train. Track. Improve. Stop forgetting

Post Black Belt is the ultimate BJJ log and training journal for Brazilian Jiu-Jitsu athletes. Whether you train once a week or daily, this BJJ diary helps you systematically track techniques, analyze patterns, and accelerate your martial arts journey with AI-powered recommendations. The smartest BJJ log and training journal built for serious practitioners. Track techniques, discover patterns with AI insights, and accelerate your jiu-jitsu progress faster than ever.

App Store Google Play

Post Black Belt screenshot showing key features

Post Black Belt main interface screenshot

What is Post Black Belt?

Why Post Black Belt

Purpose-Built BJJ Log

Dedicated fields for partners, positions, techniques, and reflections. A BJJ diary designed for systematic jiu-jitsu tracking and long-term improvement.

Capture Mat Moments

Save insights, breakthroughs, and highlights in your BJJ training log. Never lose a valuable grappling lesson from the mats again.

AI-Driven Technique Insights

Analyze your BJJ log data to uncover patterns. AI recommendations help you focus on techniques that accelerate your martial arts mastery.

Apple Watch App & Complications

See this month's training calendar, your goal progress, and the belt you wear now on your wrist, then swipe for your full belt and stripe promotion journey. Keep your belt and the countdown to your next promotion on your watch face. Works with the Post Black Belt app on your iPhone, on watchOS 10 or later. Complications are a Pro feature.

Discover why serious jiu-jitsu practitioners choose this BJJ log as their essential training companion.

Trusted by BJJ Athletes Worldwide

Ben***

“Fantastic! I use this app everyday to track my progress with jujitsu! It's very easy to use and great to look back on the progress I have made. :)”

K***

“Good tracking app for bjj. I would recommend to any other people who train bjj and want to keep track of classes and techniques.”

A***

“I've been using this app since its release! It has a lot of features, but it's not complicated, so it's easy to use for beginners and also great for diving deep. Looking forward to the update!”