JamTimer is a specialized sports-timing utility for roller derby officials on iOS, providing built-in configurations for league-sanctioned games.
The App DNA
What makes this app unique?
Officials hire the app to replace manual stopwatches with a reliable, one-handed interface that ensures compliance with specific derby rule sets.
For Roller derby officials and jam-timers who need specialized, reliable timing tools for league-sanctioned games and scrimmages.
What does it look like?
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?
Paid model at $1.99 provides full access to all timing configurations without recurring subscription costs.
Velocity
Dormant developmentShow more...
5 versions in history. Development pace: zombie.
Who built it?
User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for JamTimer - for roller derby
How's 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.
Read the market outlookThe rivals identified
By Alecs+++
Both apps target sports officials needing digital timing and scoring tools, creating a functional overlap for users managing regional tournaments.
- Scoreboard Basket supports external display via screen mirroring, while JamTimer lacks secondary output capabilities.
- Scoreboard Basket uses a freemium model, whereas JamTimer requires a $1.99 upfront purchase.
- Scoreboard Basket provides broad basketball rule support, while JamTimer focuses on specific WFTDA, RDCL, and OSDA rules.
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for JamTimer - for roller derby
Where is it heading?
Users report: 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.
The SWOT
- Specialized rule-set presets create a niche utility moat
- One-handed UI design reduces operational friction for officials
- Integration of live results delivery
- Expansion into wearable haptic alerts
Next best moves
Audit current rule-set compliance because the app has not been updated since 2020 → ensure continued league relevance.
The counter-intuitive read
The lack of updates is not just a…
Read the full takeFeature gaps
Real-time heat results and live timing updates (available in Meet Mobile: Swim) +1
Since the last report: The app's competitive position is now defined by its maintenance-mode status and vulnerability to broader sports-management platforms, despite maintaining its core niche utility.
Bottom line
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.
Unlock 2 critical frictions, 2 market threats and the analyst’s take.
Access the full report for freeReport last updated