Overview · Full Intel report in progress

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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 is Jam Timer - Roller Derby Timer?

RollTimer is a specialized officiating tool designed to replace traditional stopwatches for roller derby jam timers. It supports multiple rule sets, including WFTDA, RDCL, and OSDA, while providing professional-grade timing controls for bouts and scrimmages.

Current Momentum

v1.0

No release notes available.

AI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Sports
#82
NEW

Rating Pulse 🇺🇸

What makes this app unique?

How Is The App's Momentum Right Now?

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What Are The Key Features?

Built-in Game ConfigurationsStandard

Includes pre-set timing rules for WFTDA, RDCL, and OSDA formats, plus custom options for scrimmages.

Professional Timing ControlStandard

Manages jam timing, period clocks, lineup tracking, and team timeouts with haptic vibration warnings.

Officiating-Focused InterfaceStandard

Features large, high-contrast buttons for one-handed operation and visibility across the track.

Offline FunctionalityStandard

Operates entirely without an internet connection to ensure reliability during live events.

How much does it cost?

Paid

Who Built It?

DLY

(5.6K)

Providing utility-focused mobile tools and traditional card games for users seeking practical navigation and casual entertainment.

Portfolio

13

Apps

Free 12
Games67%
Sports17%
Productivity8%

Who is DLY?

DLY operates as a high-velocity development studio that balances a portfolio of niche utility tools with a steady stream of traditional card game adaptations. Their strategy relies on capturing long-tail search traffic for specific utilities like GPS and timers, while maintaining a presence in the casual card game market. The studio demonstrates a clear pivot toward rapid iteration, evidenced by a high volume of recent releases across diverse categories, suggesting a focus on testing market demand through a broad, low-barrier-to-entry product strategy.

Who is DLY for?

  • Casual users seeking specific functional utilities
  • Traditional card game enthusiasts
Intense

Portfolio momentum

With 17 releases in the last 6 months and 21 out of 25 apps currently active, the studio maintains a high-frequency development cycle.

Last release · 7d agoActive apps · 21Abandoned · 4

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

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?

ChartRankChange
Paid#82NEW

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

Disclosure

Independent intel to help builders create better apps.

AI-powered analysis with editorial review, built from publicly available sources. See methodology.

Marlvel.ai is not affiliated with, endorsed by, or sponsored by Jam Timer - Roller Derby Timer, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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Cite this report

Marlvel.ai. “Jam Timer - Roller Derby Timer Intelligence Report.” Updated Apr 30, 2026. https://marlvel.ai/intel-report/sports/app-dly-jamtimer

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