Post Black Belt is a mobile training log and journal app designed specifically for Brazilian Jiu-Jitsu (BJJ) and Jiu-Jitsu practitioners. For those who train consistently—often three or more times a week—this app helps you systematically record and review the wide variety of techniques and lessons you encounter on the mats.

Key Features

Jiu-Jitsu-Optimized Journaling
Easily and quickly log your daily training sessions. Record training times, partners, techniques learned, and personal reflections to build a detailed history of your progress.

140+ Detailed Jiu-Jitsu Technique Hashtags
Organize your entries with over 140 technique-specific hashtags, such as Leg Drag, Spider Guard, and more. Manage your training by position, submission, and other technical categories.

AI-Based Personalized Technique Recommendations
Get technique suggestions tailored to your training patterns and preferences, powered by AI and based on world champions’ data. Discover your own Jiu-Jitsu style and take your skills to the next level.

Systematic Review Tools

Calendar View
See your training logs at a glance by date and category, making it easy to identify patterns in your practice.

Technique Tree View
Review your entries in a technique tree format, visually tracking how often you’ve practiced each move and how your technical repertoire is developing.

Post Black Belt supports every practitioner on their journey to black belt.
Start your own Jiu-Jitsu journal today!

[Contact & Support]

Instagram: @post_black_belt

Email: [email protected]

This app is developed by a solo developer, so updates may be slow. For any inquiries, please contact via email.

- Terms of Use: https://sites.google.com/view/postblackbelttermofuse/