Brain-Jiu-Jitsu

Kazuhiro Miyachi Sports iPhoneiPadiPod touch

Brain-Jiu-Jitsu is a free Sports app for iPhone and iPad by Kazuhiro Miyachi. Requires iOS 15.6. Updated July 24, 2026.

Price: Free; on the App Store
Size: 41 MB; Age 4+
Updated: Jul 24; 2026 · v1.0.6

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About Brain-Jiu-Jitsu

Brain-Jiu-Jitsu is a mobile application designed to help you manage your training in Brazilian Jiu-Jitsu by providing support tools to track your progress, analyze your performance, and reference skills and techniques in an intuitive Mind Map framework. Brazilian Jiu-Jitsu is a uniquely cerebral martial art that combines physical fitness and skill with intellectual challenges. Every opponent is a puzzle. Every roll is a test. Every detail matters. Brain-Jiu-Jitsu represents the cognitive aspect of the sport to help you train harder and smarter.

What’s new

Version 1.0.6 · Updated July 24, 2026

Minor enhancements for a better experience.

App privacy

The developer, Kazuhiro Miyachi, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

Brain-Jiu-Jitsu is a free Sports app for iPhone, iPad and iPod touch, developed by Kazuhiro Miyachi. It requires iOS 15.6 or later and is 41 MB to download. It was first released on October 27, 2025 and last updated on July 24, 2026.

Category: Sports
Price: Free
Version: 1.0.6
Size: 41 MB
Requires: iOS 15.6 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: October 27, 2025
Last updated: July 24, 2026
Developer: Kazuhiro Miyachi

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Alternatives to Brain-Jiu-Jitsu

Looking for apps like Brain-Jiu-Jitsu? Here are 6 similar apps on the App Store. The highest rated is SmartBJJ: AI Jiu Jitsu Coach (5.0/5), and all 6 are free to download.

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