---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Darts 501 Scorekeeper"
developer_entity: "Jun Yamabe"
bundle_id: "com.junyamabe.DartsScorekeeper501"
app_store_id: "6780306395"
category: "Games"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-06-16"
report_date: "2026-09-11"
last_verified: "2026-09-11T00:00:00.000Z"
report_version: "1.0.0"
total_reviews: 0
confidence: "low"
confidence_score: 0.2
data_age_days: 31
momentum_velocity: "maintenance"
intelligence_version: 2
tags: ["games", "free", "mobile app", "app review", "app analysis", "casual", "darts", "players"]
canonical_url: "https://marlvel.ai/apps/darts-501-scorekeeper"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Darts 501 Scorekeeper Intelligence Report

## TL;DR {#tldr}

- **Category**: Games · Free

> **TL;DR:** Darts 501 Scorekeeper is a games app by Jun Yamabe, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Darts 501 Scorekeeper is a games app by Jun Yamabe.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Category** | Games |
| **Developer** | Jun Yamabe |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.2/1.0) |
| **Data Age** | 31d |

## Metadata & Market Performance
- **Publisher:** Jun Yamabe
- **Category:** Games
- **Target Audience:** Casual darts players seeking a digital alternative to manual scorekeeping at home or in pubs.
- **Platforms:** iOS
- **Version Reviewed:** 1.0.0
- **Report Date:** 2026-09-11
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.2/1.0)
- **App Store ID (iOS):** 6780306395
- **Bundle ID:** com.junyamabe.DartsScorekeeper501
- **Data Window:** Analysis based on signals collected up to 2026-09-11

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Darts 501 Scorekeeper is a score-tracking utility for 301 and 501 darts games on iOS.
**Why users hire it:** The app removes the cognitive friction of manual score calculation during casual matches, displacing pen-and-paper tracking.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Game Mode Selection:** Supports 301 and 501 formats for standard play.
- **[Standard] Automatic Calculation:** Calculates turn totals and handles bust logic automatically.
- **[Basic] Undo Functionality:** Allows correction of individual dart entries.
<!-- /section:features -->

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

Darts 501 Scorekeeper maintains a niche position as a zero-cost, no-frills utility. The lack of recent updates (86 days since release) signals a static product lifecycle rather than a competitive growth strategy.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free
- **Analysis:** The app is distributed as a free utility with no observable monetization or in-app purchases.

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

**Core Strengths:**
- Automated turn-total calculation removes cognitive load

**Growth Levers:**
- Simple win-loss tracker could increase session frequency


<!-- /section:swot -->
<!-- section:momentum -->
## App Momentum (Maintenance) {#momentum}

- Released initial version 86 days ago.
- No feature updates since launch.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 86 days since last update

<!-- /section:momentum -->

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

Darts 501 Scorekeeper is a games app that is completely free.

<!-- speakable-start -->
> **Bottom Line:** Darts 501 Scorekeeper functions as a reliable, static utility for casual play. Adding persistent match history would unlock higher retention, as the current lack of progress tracking limits the app to one-off usage.
<!-- speakable-end -->

**Best for:** Casual darts players seeking a digital alternative to manual scorekeeping at home or in pubs.

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

- [ ] [INVEST] Ship a basic match-history log because users require session tracking to justify repeat usage → increase retention
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Stable

The market for simple scorekeeping utilities is saturated with static, free tools. Darts 501 Scorekeeper remains stable but exposed to churn if rivals introduce basic session logging that this app currently lacks.

- ⚪ The app has remained in a maintenance state for 86 days, indicating no current plans for feature expansion.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Total Reviews | 0 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Darts 501 Scorekeeper** (this app) | N/A/5 | N/A | Jun Yamabe |
| [Bingo Cash - Win Real Money](https://marlvel.ai/apps/bingo-cash) | 4.7/5 | Excited | Papaya Gaming |
| [Royal Match](https://marlvel.ai/apps/royal-match) | 4.7/5 | n/a | Dream Games |
| [Archero](https://marlvel.ai/apps/archero) | 4.5/5 | N/A | HABBY |
| [Bejeweled Blitz](https://marlvel.ai/apps/bejeweled-blitz) | 3.3/5 | n/a | PopCap |
| [Brawl Stars](https://marlvel.ai/apps/brawl-stars) | 4.5/5 | n/a | Supercell |

## Company Profile
- **Developer:** Jun Yamabe
- **Website:** [https://t5kit.github.io/junapps-support/index.html](https://t5kit.github.io/junapps-support/index.html)

## Data Sources & Links
- **App Store ID:** 6780306395
- **Dev Site:** [Official Website](https://t5kit.github.io/junapps-support/index.html)
- **Sources:** Developer website content, App store metadata.

## Related Intel Reports
- [*Bingo Cash - Win Real Money*](https://marlvel.ai/apps/bingo-cash) (Papaya Gaming) · 4.7/5 Rating | Positive Sentiment
- [*Royal Match*](https://marlvel.ai/apps/royal-match) (Dream Games) · 4.7/5 Rating
- [*Archero*](https://marlvel.ai/apps/archero) (HABBY) · 4.5/5 Rating
- [*Bejeweled Blitz*](https://marlvel.ai/apps/bejeweled-blitz) (PopCap) · 3.3/5 Rating
- [*Brawl Stars*](https://marlvel.ai/apps/brawl-stars) (Supercell) · 4.5/5 Rating
- [*Golf Battle*](https://marlvel.ai/apps/golf-battle) (Miniclip.com) · 4.7/5 Rating
- [*Golf Clash - Golfing Simulator*](https://marlvel.ai/apps/golf-clash-golfing-simulator) (Electronic Arts) · 4.4/5 Rating
- [*Hole.io*](https://marlvel.ai/apps/hole-io) (Voodoo) · 3.9/5 Rating
- [*Partymasters - Fun Idle Game*](https://marlvel.ai/apps/partymasters-fun-idle-game) (AI Games FZ) · 4.5/5 Rating | Positive Sentiment
- [*Stumble Guys*](https://marlvel.ai/apps/stumble-guys) (Scopely, Inc.) · 4.6/5 Rating

## Frequently Asked Questions {#faq}

### Is Darts 501 Scorekeeper free to use?

Yes, the app is currently free and does not contain any in-app purchases or subscription tiers.

### Does Darts 501 Scorekeeper work offline?

The app is designed for use in pubs or home settings and does not require an internet connection to calculate scores.

### What game modes are supported?

Darts 501 Scorekeeper supports standard 301 and 501 game formats.

## 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 into synthesised themes (no verbatim quotes).
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:** 0
- **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:** 31 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/darts-501-scorekeeper)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.