Report updated Apr 30, 2026
Overview · Full Intel report in progress
Jam Timer - Roller Derby Timer is an established sports app that is a paid app. With a 1.0/5 rating from 1 reviews, it shows polarized user reception.
What makes this app unique?
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What Are The Key Features?
Includes pre-set timing rules for WFTDA, RDCL, and OSDA formats, plus custom options for scrimmages.
Manages jam timing, period clocks, lineup tracking, and team timeouts with haptic vibration warnings.
Features large, high-contrast buttons for one-handed operation and visibility across the track.
Operates entirely without an internet connection to ensure reliability during live events.
How much does it cost?
Who Built It?
DLY
Providing utility-focused mobile tools and traditional card games for users seeking practical navigation and casual entertainment.
Portfolio
13
Apps
What other apps does DLY make?
Explore the full DLY report
Portfolio breakdown, audience, momentum, and every app published by DLY.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for Jam Timer - Roller Derby Timer?
How's The Sports Market?
How does it evolve in the Sports market?
Rank progression
2 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Jam Timer - Roller Derby Timer
Key Takeaways
This is a dedicated, offline-capable utility built specifically to streamline the technical requirements of roller derby officiating.
Where Is It Heading?
Trend analysis
Available very soon