Doesn’t work
The time runs way too fast. Instead of counting 2 minutes it counts 12 seconds. Unfortunately totally useless. The ui looks good though. If fixed could be worth the money
Description
RollTimer: The Professional Jam Timer for Roller Derby Officials
Designed specifically for the jam-timer position, RollTimer eliminates the need for traditional stopwatches and provides precise timing control for all roller derby formats. Whether you're officiating WFTDA sanctioned bouts, RDCL tournaments, or OSDA games, RollTimer has the configuration you need.
Key Features:
Built-in Game Configurations
WFTDA standard timing rules
RDCL tournament settings
OSDA game format
Custom configurations for scrimmages and special events
Professional Timing Control
Precise jam timing with lead jammer call-off
Period clock management
Lineup time tracking
Team and official timeout timers
Automatic vibration warnings at configurable intervals
Designed for Officials
Large buttons for one-handed operation
Clear, high-contrast display visible from across the track
Haptic feedback for critical timing events
Works completely offline - no internet required
Game Management
Track team scores and timeouts
Monitor official reviews remaining
Complete game history and statistics
Export game data for league records
Perfect for:
NSO jam timers at sanctioned bouts
Tournament directors managing multiple games
League officials during practice scrimmages
Coaches timing drills and scenarios
Referees needing backup timing
Why Choose RollTimer:
Unlike generic stopwatch apps, RollTimer understands roller derby. Every feature is built around the specific needs of derby timing, from the 30-second lineup to the 2-minute jam clock. The large, accessible interface ensures you can focus on the game, not fumbling with tiny buttons.
Trusted by officials across leagues worldwide, RollTimer brings professional-grade timing to your mobile device. Download now and experience the difference purpose-built software makes.
Offline Operation:
RollTimer works completely offline with no network requirements, perfect for venues with poor connectivity. All game data is stored locally on your device for maximum reliability.
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Designed specifically for the jam-timer position, RollTimer eliminates the need for traditional stopwatches and provides precise timing control for all roller derby formats. Whether you're officiating WFTDA sanctioned bouts, RDCL tournaments, or OSDA games, RollTimer has the configuration you need.
Key Features:
Built-in Game Configurations
WFTDA standard timing rules
RDCL tournament settings
OSDA game format
Custom configurations for scrimmages and special events
Professional Timing Control
Precise jam timing with lead jammer call-off
Period clock management
Lineup time tracking
Team and official timeout timers
Automatic vibration warnings at configurable intervals
Designed for Officials
Large buttons for one-handed operation
Clear, high-contrast display visible from across the track
Haptic feedback for critical timing events
Works completely offline - no internet required
Game Management
Track team scores and timeouts
Monitor official reviews remaining
Complete game history and statistics
Export game data for league records
Perfect for:
NSO jam timers at sanctioned bouts
Tournament directors managing multiple games
League officials during practice scrimmages
Coaches timing drills and scenarios
Referees needing backup timing
Why Choose RollTimer:
Unlike generic stopwatch apps, RollTimer understands roller derby. Every feature is built around the specific needs of derby timing, from the 30-second lineup to the 2-minute jam clock. The large, accessible interface ensures you can focus on the game, not fumbling with tiny buttons.
Trusted by officials across leagues worldwide, RollTimer brings professional-grade timing to your mobile device. Download now and experience the difference purpose-built software makes.
Offline Operation:
RollTimer works completely offline with no network requirements, perfect for venues with poor connectivity. All game data is stored locally on your device for maximum reliability.
Screenshots
Jam Timer FAQ
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Is Jam Timer free?
Yes, Jam Timer is completely free and it doesn't have any in-app purchases or subscriptions.
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Is Jam Timer legit?
Not enough reviews to make a reliable assessment. The app needs more user feedback.
Thanks for the vote -
How much does Jam Timer cost?
Jam Timer is free.
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What is Jam Timer revenue?
To get estimated revenue of Jam Timer app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
User Rating
App is not rated in United States yet.
Ratings History
Jam Timer Reviews
Store Rankings
Ranking History
App Ranking History not available yet
Category Rankings
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Top Paid
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17
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Top Paid
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333
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Top Paid
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363
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Top Paid
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390
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