---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "JamTimer - for roller derby"
developer_entity: "Fearless Code"
bundle_id: "com.fearlesscode.JamTimer"
app_store_id: "435346062"
category: "Sports"
primary_platform: "ios"
primary_monetization: "Paid"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2020-08-24"
report_date: "2026-06-10"
last_verified: "2026-06-10T12:35:47.135Z"
report_version: "4.2.1"
total_reviews: 8
overall_rating: 5
confidence: "low"
confidence_score: 0.2
data_age_days: 21
momentum_velocity: "zombie"
intelligence_version: 3
competitor_count: 6
tags: ["sports", "paid", "mobile app", "app review", "app analysis", "roller", "derby", "officials"]
canonical_url: "https://marlvel.ai/intel-report/sports/com-fearlesscode-jamtimer"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# JamTimer - for roller derby App Audit

## TL;DR {#tldr}

- **Category**: Sports · Paid
- **Signal**: Rating 5

> **TL;DR:** JamTimer - for roller derby is a sports app by Fearless Code, rated 5/5 by 8 users, available on iOS.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** JamTimer - for roller derby is a sports app by Fearless Code.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 5/5 (8 reviews) |
| **Category** | Sports |
| **Developer** | Fearless Code |
| **Pricing** | Paid |
| **Platforms** | iOS |
| **Confidence** | Low (0.2/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** Fearless Code
- **Category:** Sports
- **Target Audience:** Roller derby officials and jam-timers who need specialized, reliable timing tools for league-sanctioned games and scrimmages.
- **Platforms:** iOS
- **Version Audited:** 4.2.1
- **Audit Date:** 2026-06-10
- **Signal Count:** 8 reviews analyzed
- **Confidence:** Low (0.2/1.0)
- **App Store ID (iOS):** 435346062
- **Bundle ID:** com.fearlesscode.JamTimer
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-06-10

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** JamTimer is a specialized sports-timing utility for roller derby officials on iOS, providing built-in configurations for league-sanctioned games.
**Why users hire it:** Officials hire the app to replace manual stopwatches with a reliable, one-handed interface that ensures compliance with specific derby rule sets.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Roller Derby Game Configurations:** Built-in timing presets for WFTDA, RDCL, and OSDA game structures
- **[Differentiator] One-Handed Interface:** Large UI buttons designed for single-hand operation during active game monitoring
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

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.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Paid
- **Tiers:** Single purchase at $1.99
- **Price:** iOS: $1.99
- **Analysis:** Paid model at $1.99 provides full access to all timing configurations without recurring subscription costs.

<!-- section:swot -->
## SWOT Analysis {#swot}

**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

<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

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.

**Overall trend**: Stable
**Compared at**: 2026-06-10

### High-impact changes
- **[Shifted] Executive Summary Pivot** (positioning) — Shifted from a neutral product description to an analytical assessment of the app's maintenance-mode posture and competitive vulnerability.

### Medium-impact changes
- **[Improved] Feature Repositioning** (features) — Roller Derby Game Configurations and One-Handed Interface were reclassified from 'standard' to 'differentiator' to emphasize their role in niche defense.
- **[Added] Formal SWOT Analysis** (swot) — Introduced a full SWOT analysis identifying specific threats from SportsEngine and opportunities in live results delivery.

<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- No notable feature updates since 2020.
- Maintains steady rank in Sports category.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 2068 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

JamTimer - for roller derby is an established sports app that is a paid app.
With a 5/5 rating from 8 reviews, it shows polarized user reception.

<!-- speakable-start -->
> **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.
<!-- speakable-end -->

**Best for:** Roller derby officials and jam-timers who need specialized, reliable timing tools for league-sanctioned games and scrimmages.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [MAINTAIN] [HIGH IMPACT] 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: deprioritize Pause all UI-refresh work — rule accuracy is the primary value driver.)_
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### 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)
<!-- /section:feature-gaps -->

<!-- section:outlook -->
### Outlook: 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.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 5/5 |
| Total Reviews | 8 |
| Confidence | Low |
| Pricing Model | Paid |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Trend | Stable |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **JamTimer - for roller derby** (this app) | 5/5 | N/A | Fearless Code |
| [Fishbrain - Fishing App](https://marlvel.ai/intel-report/sports/com-fishbrain-app) | 4.7/5 | N/A | FishBrain |
| [BallparkDJ Walkout Intros](https://marlvel.ai/intel-report/sports/com-ballparkdj-ballparkdj) | 4.8/5 | N/A | Chad Payne |
| [SportsEngine - Team management](https://marlvel.ai/intel-report/sports/com-ngin-sport-iphone) | 4.8/5 | N/A | SportsEngine, Inc. |
| [UDisc Disc Golf](https://marlvel.ai/intel-report/sports/com-regasoftware-udiscfree) | 4.9/5 | N/A | UDisc LLC |
| [Meet Mobile: Swim](https://marlvel.ai/intel-report/sports/com-active-meetmobile) | 4.8/5 | Frustrated | Active Network, LLC |

## Company Profile
- **Developer:** Fearless Code
- **Website:** [https://www.derbyapps.com/jamtimer](https://www.derbyapps.com/jamtimer)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/jamtimer-for-roller-derby/id435346062?uo=2)
- **Dev Site:** [Official Website](https://www.derbyapps.com/jamtimer)
- **Sources:** Developer website content, App store metadata.

## Related Intel Reports
- [*Fishbrain - Fishing App*](https://marlvel.ai/intel-report/sports/com-fishbrain-app) (FishBrain) — 4.7/5 Rating | N/A Sentiment
- [*BallparkDJ Walkout Intros*](https://marlvel.ai/intel-report/sports/com-ballparkdj-ballparkdj) (Chad Payne) — 4.8/5 Rating | N/A Sentiment
- [*SportsEngine - Team management*](https://marlvel.ai/intel-report/sports/com-ngin-sport-iphone) (SportsEngine, Inc.) — 4.8/5 Rating | N/A Sentiment
- [*UDisc Disc Golf*](https://marlvel.ai/intel-report/sports/com-regasoftware-udiscfree) (UDisc LLC) — 4.9/5 Rating | N/A Sentiment
- [*Meet Mobile: Swim*](https://marlvel.ai/intel-report/sports/com-active-meetmobile) (Active Network, LLC) — 4.8/5 Rating | Negative Sentiment
- [*SportsEngine Tourney*](https://marlvel.ai/intel-report/sports/com-siplay-tmm) (SportsEngine, Inc.) — 4.8/5 Rating | Mixed Sentiment
- [*DraftKings: Sports & Casino*](https://marlvel.ai/intel-report/sports/draftkings-sportsbook-casino) (DraftKings) — 4.8/5 Rating | Positive Sentiment
- [*NBA: Live Games & Scores*](https://marlvel.ai/intel-report/sports/nba-live-games-scores) (NBA MEDIA VENTURES, LLC) — 4.5/5 Rating | N/A Sentiment
- [*FanDuel Predicts*](https://marlvel.ai/intel-report/sports/fanduel-predicts) (FanDuel, Inc.) — 4.8/5 Rating | N/A Sentiment
- [*DraftKings Predictions*](https://marlvel.ai/intel-report/sports/draftkings-predictions) (DraftKings) — 4.6/5 Rating | Mixed Sentiment

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** — Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** — Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** — Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction and evidence quoting.
4. **Competitive Landscape Analysis** — Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** — Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.2/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 8
- **Data Sources:** developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/sports/com-fearlesscode-jamtimer)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.