---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Reaction Time Test - How fast?"
developer_entity: "HUNG-PIN YU"
bundle_id: "com.DolphinBro.ReactionTime"
app_store_id: "6466617945"
google_play_id: "com.efifi.reaction_speed_meter.reaction_speed_meter"
category: "Games"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2025-08-02"
report_date: "2026-06-03"
last_verified: "2026-06-03T22:50:22.919Z"
report_version: "1.2"
total_reviews: 96
overall_rating: 4.6
sentiment: "Excited"
sentiment_score: 85
confidence: "low"
confidence_score: 0.35
top_praise_theme: "Minimalist interface design allows users to focus entirely on measuring reaction speed without distractions"
top_complaint_theme: "Light mode visibility issues make the black screen interface difficult to read for some users"
top_request_theme: "Visual data tracking via line charts would help users monitor their reaction time progress"
review_sample_size: 12
total_review_count: 12
analyzed_review_count: 12
data_age_days: 28
momentum_velocity: "zombie"
intelligence_version: 4
competitor_count: 2
tags: ["games", "free", "excited sentiment", "mobile app", "app review", "app analysis", "gamers,", "athletes,", "individuals"]
canonical_url: "https://marlvel.ai/intel-report/games/reaction-time-test-how-fast"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Reaction Time Test - How fast? App Audit

## TL;DR {#tldr}

- **Category**: Games · Free
- **Signal**: Rating 4.6 · Sentiment Excited
- **Recent focus**: Light mode visibility issues make the black screen interface difficult to read for some users (top complaint) · Minimalist interface design allows users to focus entirely on measuring reaction speed without distractions (top praise) · Visual data tracking via line charts would help users monitor their reaction time progress (top request)

> **TL;DR:** Reaction Time Test - How fast? is a games app by HUNG-PIN YU, rated 4.6/5 by 96 users, with Excited user sentiment (85/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Reaction Time Test - How fast? maintains Excited user sentiment (4.6/5 from 96 reviews), with users consistently praising minimalist interface design allows users to focus entirely on measuring reaction speed without distractions.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.6/5 (96 reviews) |
| **User Mood** | Excited |
| **Category** | Games |
| **Developer** | HUNG-PIN YU |
| **Pricing** | Free |
| **Platforms** | iOS & Android |
| **Confidence** | Low (0.35/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** HUNG-PIN YU
- **Category:** Games
- **Target Audience:** Gamers, athletes, and individuals interested in quantifying cognitive reflexes and tracking performance improvements.
- **Platforms:** iOS & Android
- **Version Audited:** 1.2
- **Audit Date:** 2026-06-03
- **Signal Count:** 12 reviews analyzed
- **Confidence:** Low (0.35/1.0)
- **App Store ID (iOS):** 6466617945
- **Bundle ID:** com.DolphinBro.ReactionTime
- **Google Play ID:** com.efifi.reaction_speed_meter.reaction_speed_meter
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-06-03

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Reaction Time Test is a utility app for measuring and tracking cognitive reflex speed on iOS and Android.
**Why users hire it:** Users hire this app to quantify their reaction performance for athletic or gaming training, using the minimalist interface to avoid the distraction of ad-heavy alternatives.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Reaction Measurement:** Calculates response time in milliseconds between a visual color shift and user tap
- **[Differentiator] Performance Statistics:** Tracks average reaction speed and standard deviation over custom date ranges
  * *User Intent:* Users value self-expression and personalized experiences.
- **[Differentiator] CSV Data Export:** Allows users to download their full reaction history for external analysis
<!-- /section:features -->

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

Reaction Time Test maintains a 4.6-star average across 96 ratings, positioning itself as a high-utility, low-friction alternative to ad-heavy reflex games.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free with ad support
- **Analysis:** Ad-supported model with no IAP or subscription gates, monetizing via display inventory.

<!-- section:sentiment -->
## 🟢 User Sentiment (Low Confidence: 12 of 12 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.6/5
- **Platform Split:** iOS 4.5/5 (57 ratings) | Android 4.8/5 (39 ratings)
- **Overall Sentiment:** Excited

### Top Praises
- **Minimalist interface design allows users to focus entirely on measuring reaction speed without distractions**
- **Low ad frequency provides a clean experience compared to other reaction testing applications**

### Top Complaints (Impact Areas)
- **Light mode visibility issues make the black screen interface difficult to read for some users**
- **Input detection logic triggers on finger release rather than initial contact, reducing measurement accuracy**

### Top Requests (What Users Want)
- **Visual data tracking via line charts would help users monitor their reaction time progress**

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

**Core Strengths:**
- Minimalist interface reduces cognitive load [User Sentiment]
- CSV export anchors power users to data [Feature Analysis]
- Ad-light design differentiates from casual rivals [User Sentiment]

**Critical Frictions:**
- Input detection triggers on release [User Sentiment]
- Light mode visibility issues [User Sentiment]
- Lack of native data visualization [User Sentiment]

**Growth Levers:**
- Build native line charts for tracking [User Sentiment]
- Implement multi-mode reaction tests [Competitor Analysis]
- Add social-multiplayer challenges [Competitor Analysis]

**Market Threats:**
- Tap 10 multiplayer challenge mode [Competitor Analysis]
- TapReaction gameplay variety [Competitor Analysis]
- Higher-precision apps capturing athlete segment [Competitor Analysis]

<!-- /section:swot -->
## Recent Changes (v3 → v4) {#recent-changes}

The integration of user sentiment data has shifted the product focus from social feature parity to addressing core technical inaccuracies and data visualization gaps.

**Overall trend**: Mixed
**Compared at**: 2026-06-03

### High-impact changes
- **[Added] User Sentiment Data Integration** (sentiment) — Sentiment data is now available, identifying specific user complaints regarding input detection logic and light mode visibility.
- **[Added] Technical Weakness Identified** (swot) — Input detection triggering on release rather than contact is now explicitly listed as a core weakness.
- **[Shifted] Roadmap Priority Shift** (positioning) — PM action items moved from multiplayer development to fixing input detection logic and building native line charts.

### Medium-impact changes
- **[Added] New Opportunities Identified** (swot) — Native line charts for performance tracking added as a primary opportunity based on user requests.

<!-- section:whats-new -->
## What's New

- **Latest (v1.4.1, 9 months ago):** Added reaction time measurement, CSV history export, social sharing, multi-language support, and theme switching.
<!-- /section:whats-new -->

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

- Added ranking list to iOS.
- Shipped period-based statistics on Android.

> **Cadence:** 2 total versions · 2 majors in last 6 months · 284 days since last update · 676 days avg between updates

<!-- /section:momentum -->

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

Reaction Time Test - How fast? is a market-leading games app that is completely free.
With a 4.6/5 rating from 96 reviews, it delivers strong user satisfaction.

<!-- speakable-start -->
> **Bottom Line:** Reaction Time Test succeeds through a clean, ad-light experience, but the technical inaccuracy of touch-timing threatens its utility for serious users, so the PM should prioritize native data visualization and input-logic refinement to secure the power-user segment.
<!-- speakable-end -->

**Best for:** Gamers, athletes, and individuals interested in quantifying cognitive reflexes and tracking performance improvements.

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

- [ ] [PIVOT] [HIGH IMPACT] Rebuild touch-detection logic to trigger on initial contact because current release-based timing is inaccurate → improve measurement precision — *Input detection is a top complaint theme in sentiment analysis.* _(trade-off: deprioritize Pause the UI theme-customization sprint — accuracy is a core utility requirement.)_
- [ ] [INVEST] [HIGH IMPACT] Ship native line charts for performance tracking because it is the top-requested feature → increase session frequency — *Users explicitly request graphical representations of performance in reviews.* _(trade-off: deprioritize Deprioritize the leaderboard expansion — data visualization drives higher long-term retention.)_
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors

- Multiplayer challenge mode (available in Tap 10 but absent here)
- Varied gameplay modes (available in TapReaction but absent here)
<!-- /section:feature-gaps -->

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

The reflex-testing market is consolidating around apps that offer both social competition and long-term data tracking. Reaction Time Test remains stable due to its clean interface, but it must address technical input inaccuracies to prevent users from migrating to more precise, data-rich alternatives.

- 🔴 Inaccurate touch detection triggers churn risk among power users, which compounds the rating drag already visible in user feedback.
- 🟢 The latest feature expansion into period-based statistics shows active development, which helps defend against feature-rich rivals like Tap 10.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.6/5 |
| Total Reviews | 96 |
| Sentiment | Excited (85/100) |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS & Android |
| Key Features | 3 analyzed |
| Trend | Mixed |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Reaction Time Test - How fast?** (this app) | 4.6/5 | Excited | HUNG-PIN YU |
| [Tap 10](https://marlvel.ai/intel-report/games/tap-10) | 1.0/5 | Upset | Thomas Coomer |
| [TapReaction](https://marlvel.ai/intel-report/games/tapreaction) | 4.0/5 | N/A | Lars Bergelt |
| [Royal Match](https://marlvel.ai/intel-report/games/royal-match) | 4.7/5 | Frustrated | Dream Games |
| [YouRiding - Surf and Bodyboard](https://marlvel.ai/intel-report/games/youriding-surf-and-bodyboard) | 4.2/5 | N/A | BoardScore, Inc. |
| [Stumble Guys](https://marlvel.ai/intel-report/games/stumble-guys) | 4.5/5 | Excited | Scopely, Inc. |

## Company Profile
- **Developer:** HUNG-PIN YU

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/reaction-time-test-how-fast/id6466617945?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.efifi.reaction_speed_meter.reaction_speed_meter&hl=en&gl=us)
- **Sources:** App store metadata, User reviews.

## Related Intel Reports
- [*Tap 10*](https://marlvel.ai/intel-report/games/tap-10) (Thomas Coomer) — 1.0/5 Rating | Terrible Sentiment
- [*TapReaction*](https://marlvel.ai/intel-report/games/tapreaction) (Lars Bergelt) — 4.0/5 Rating | N/A Sentiment
- [*Royal Match*](https://marlvel.ai/intel-report/games/royal-match) (Dream Games) — 4.7/5 Rating | Negative Sentiment
- [*YouRiding - Surf and Bodyboard*](https://marlvel.ai/intel-report/games/youriding-surf-and-bodyboard) (BoardScore, Inc.) — 4.2/5 Rating | N/A Sentiment
- [*Stumble Guys*](https://marlvel.ai/intel-report/games/stumble-guys) (Scopely, Inc.) — 4.5/5 Rating | Positive Sentiment
- [*Hole.io*](https://marlvel.ai/intel-report/games/hole-io) (Voodoo) — 3.8/5 Rating | Terrible Sentiment
- [*Bejeweled Blitz*](https://marlvel.ai/intel-report/games/bejeweled-blitz) (PopCap) — 3.3/5 Rating | Negative Sentiment
- [*Partymasters - Fun Idle Game*](https://marlvel.ai/intel-report/games/partymasters-fun-idle-game) (AI Games FZ) — 4.5/5 Rating | Positive Sentiment
- [*Archero*](https://marlvel.ai/intel-report/games/archero) (HABBY) — 4.5/5 Rating | N/A Sentiment
- [*Brawl Stars*](https://marlvel.ai/intel-report/games/brawl-stars) (Supercell) — 4.5/5 Rating | Negative 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:** 0.35/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 12
- **Data Sources:** user reviews, 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/games/reaction-time-test-how-fast)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.