PuttrLab
GRATUIT
Free
Description
Jamzo is an app built for roller derby.
– Dedicated tools for different NSO roles
Jamzo provides separate tools for the key officiating roles in roller derby:
* Penalty Box (Penalty Timer)
* Blocker Timer: track 30-second penalties for blockers
* Jammer Timer: manage jammer penalties with precision
* Dual Timer: handle both roles on a single screen
– Game Timing
Jam Timer: manage the flow of a roller derby game (jams, intervals, timing)
– New: Teams Directory
Access a complete list of roller derby teams with essential information:
* City and country
* Social media links
A simple way to explore and connect with the roller derby community.
– Built for real game conditions
Fast and intuitive controls
Clear, glanceable interface under pressure
Designed to reduce stress during games and scrimmages
– Learn the rules with Quiz mode
Test your knowledge of roller derby rules
Multiple difficulty levels
Ideal for NSOs, referees, and players
Learn while practicing
– Dedicated tools for different NSO roles
Jamzo provides separate tools for the key officiating roles in roller derby:
* Penalty Box (Penalty Timer)
* Blocker Timer: track 30-second penalties for blockers
* Jammer Timer: manage jammer penalties with precision
* Dual Timer: handle both roles on a single screen
– Game Timing
Jam Timer: manage the flow of a roller derby game (jams, intervals, timing)
– New: Teams Directory
Access a complete list of roller derby teams with essential information:
* City and country
* Social media links
A simple way to explore and connect with the roller derby community.
– Built for real game conditions
Fast and intuitive controls
Clear, glanceable interface under pressure
Designed to reduce stress during games and scrimmages
– Learn the rules with Quiz mode
Test your knowledge of roller derby rules
Multiple difficulty levels
Ideal for NSOs, referees, and players
Learn while practicing
What's new (v1.1.9)
This version brings a refreshed experience and more content to explore:
* Redesigned Home Page
A cleaner and more intuitive interface to access all your tools faster.
* New Teams Page
Discover all roller derby teams with key information for each:
city, country, and social media links — everything in one place.
* Redesigned Home Page
A cleaner and more intuitive interface to access all your tools faster.
* New Teams Page
Discover all roller derby teams with key information for each:
city, country, and social media links — everything in one place.
