App Store
Version 1.0.0 · 2025-06-12
No release notes were provided for this version.
Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.
Not yet tested.
The store currently lists version 1.0.0, updated 2025-06-12.








Store screenshots supplied by the developer.
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…
From the developer’s store description.
For developers and the curious
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