J-Roll

Cracker Juice

About this app

J-Roll is the ultimate app for Jiu-Jitsu instructors to create, organize, and execute their training sessions with complete time control, from warm-up to sparring.

No more stopwatches on your phone, spreadsheets, and scattered notes. With J-Roll, you prepare the day's training and conduct the entire class in an automated sequence, with a sparring bell, visual countdown, and control of each phase.

COMPLETE WORKOUTS, FROM WARM-UP TO FIGHT
- Create workouts divided into phases: warm-up, specific exercises, and fight
- Define exercises with repetitions and estimated time
- Configure fight time and pauses between exercises
- Add general and phase-specific notes

PROFESSIONAL TIMER WITH FIGHT BELL
- Automatic bell at the beginning and end of each exercise and fight
- Visual countdown with progress ring
- Audible alert in the final seconds
- Pause and resume at any time
- Automatic execution of the entire workout sequence

MANAGE YOUR GYM
- Register multiple gyms, each with its own visual identity
- Organize your workouts by day and theme
- Personalized screen with your gym's color and logo

STUDENT CONTROL
- Register students with complete registration forms
- Track class attendance
- Record the progression of belts and grades for each student

MADE FOR TEACHERS

O J-Roll was created by instructors. Every detail was designed so you can focus on what matters: teaching. The app manages the time, bells, and organization. You're in control of the mat.

Download now and take your Jiu-Jitsu training to the next level.

What’s new

Correção de falha ao abrir o app em contas sem academia cadastrada.