Report updated Jun 10, 2026
JamTimer - for roller derby
For roller derby officials and jam-timers who need specialized, reliable timing tools for league-sanctioned games and scrimmages.
JamTimer - for roller derby is an established sports app that is a paid app. With a 5.0/5 rating from 8 reviews, it shows polarized user reception.
What is JamTimer - for roller derby?
JamTimer is a specialized sports-timing utility for roller derby officials on iOS, providing built-in configurations for league-sanctioned games.
Officials hire the app to replace manual stopwatches with a reliable, one-handed interface that ensures compliance with specific derby rule sets.
Current Momentum
v4.2 · 68mo ago
Zombie- No notable feature updates since 2020.
- Maintains steady rank in Sports category.
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Built-in timing presets for WFTDA, RDCL, and OSDA game structures
Large UI buttons designed for single-hand operation during active game monitoring
How much does it cost?
- Single purchase at $1.99
Paid model at $1.99 provides full access to all timing configurations without recurring subscription costs.
Who Built It?
Fearless Code
Providing specialized timing utilities for roller derby officials to ensure regulatory compliance during matches.
Portfolio
2
Apps
What other apps does Fearless Code make?
Explore the full Fearless Code report
Portfolio breakdown, audience, momentum, and every app published by Fearless Code.
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.
What is the competitive landscape for JamTimer - for roller derby?
Where is it available?
Localized markets (4)
How's The Sports Market?
How does it evolve in the Sports market?
JamTimer holds the #57 Paid slot in the US Sports category. The 5-star rating across 8 reviews confirms high satisfaction among a small, loyal user base.
Rank progression
8 active rankings tracked — 30-day window
Which niche is JamTimer - for roller derby in?
Explore the full Roller Derby Timers niche
Every app in this space — 1 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Same space(4)
Focuses on the 'game day experience' niche, providing high-value audio automation that enhances the atmosphere of amateur sports.
Differentiators
- Automates professional-grade walkout music and announcer intros, solving a specific pain point for game-day production.
- Offers a highly polished, consumer-facing interface that prioritizes ease of use for non-technical volunteers.
Represents the gold standard for sport-specific timing and results delivery in a niche, serving as a benchmark for feature depth.
Differentiators
- Delivers real-time heat results and live timing updates directly to spectators and athletes during events.
- Provides a specialized UX tailored to the specific cadence and data requirements of competitive swimming.
A broad team management suite that captures the administrative workflow of sports teams, making it a platform-level competitor.
Differentiators
- Offers integrated team communication and roster management features that JamTimer lacks entirely.
- Leverages a massive cross-sport user base to drive network effects that niche timing apps cannot replicate.
This platform dominates the tournament management space, providing a comprehensive ecosystem for event organizers that far exceeds simple timing tools.
Differentiators
- Provides end-to-end tournament scheduling and bracket management rather than just a single-purpose timing utility.
- Integrates deep league-wide data management that creates high switching costs for tournament organizers and leagues.
New entrants(2)
Aggressive update cycle indicates a focus on rapid feature iteration to capture and retain a specific hobbyist audience.
Differentiators
- Uses crowdsourced catch data to provide predictive insights, moving beyond simple logging into actionable intelligence.
- Employs a social-first design that encourages daily app usage through community interaction and shared experiences.
Demonstrates rapid innovation with 10 releases in six months, showing how a niche sport app can scale through community-driven features.
Differentiators
- Integrates GPS-based course mapping and live scoring to turn a simple utility into a social platform.
- Maintains a high-velocity release cadence that consistently adds community-requested features to keep users engaged.
Compare JamTimer - for roller derby against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for JamTimer - for roller derby
Strengths to defend, gaps to attack
Core Strengths
- Specialized rule-set presets create a niche utility moat
- One-handed UI design reduces operational friction for officials
Critical Frictions
- No feature updates since 2020
- 8 total ratings limit social proof
Growth Levers
- Integration of live results delivery
- Expansion into wearable haptic alerts
Market Threats
- SportsEngine administrative suite consolidation
- High-velocity competitor update cadence
What are the next best moves?
Audit current rule-set compliance because the app has not been updated since 2020 → ensure continued league relevance.
The last update date of 2020 suggests potential drift from current WFTDA/RDCL rules, which would render the core utility obsolete.
Trade-off: Pause all UI-refresh work — rule accuracy is the primary value driver.
A counter-intuitive read
The lack of updates is not just a weakness but a signal that the roller derby niche is too small to support a high-velocity, subscription-based business model.
Feature Gaps vs Competitors
- Real-time heat results and live timing updates (available in Meet Mobile: Swim)
- Integrated team communication and roster management (available in SportsEngine)
Key Takeaways
JamTimer holds its category lead through specialized rule-set compliance but bleeds potential users to modern sports platforms, so revenue growth hinges on refreshing the feature set to include live-results delivery.
Where Is It Heading?
Stable
The sports-utility market is consolidating around platforms that offer end-to-end tournament management. JamTimer remains stable for now, but its lack of iteration leaves it exposed to rivals that integrate live data, so the PM must prioritize rule-set verification to defend the core utility.
The app has remained in maintenance mode since 2020, which limits growth but keeps the core utility stable for existing officials.
The absence of feature iteration allows broader sports-management platforms to capture the administrative workflow, which threatens the app's long-term relevance.