--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Yellow Card" developer_entity: "Paul Barnes" bundle_id: "com.PaulBarnes.Yellow-Card" app_store_id: "1521504507" google_play_id: "uk.org.mhra.yellowcard" category: "Entertainment" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-04-29" report_date: "2026-06-05" last_verified: "2026-06-05T00:00:00.000Z" report_version: "26.1.6955" total_reviews: 169 overall_rating: 4.1 sentiment: "Upset" sentiment_score: 20 confidence: "low" confidence_score: 0.55 top_praise_theme: "The simple interface allows users to submit medication side effect reports without unnecessary complexity" top_complaint_theme: "Rigid registration and login flows prevent users from accessing the reporting functionality entirely" review_sample_size: 51 total_review_count: 51 analyzed_review_count: 51 data_age_days: 72 momentum_velocity: "zombie" intelligence_version: 4 competitor_count: 5 tags: ["entertainment", "free", "upset sentiment", "mobile app", "app review", "app analysis", "individuals", "seeking", "digital"] canonical_url: "https://marlvel.ai/apps/yellow-card" license: "CC-BY-NC 4.0" content_version: "v2" --- # Yellow Card Intelligence Report ## TL;DR {#tldr} - **Category**: Entertainment · Free - **Signal**: Rating 4.1 · Sentiment Upset - **Recent focus**: Rigid registration and login flows prevent users from accessing the reporting functionality entirely (top complaint) · The simple interface allows users to submit medication side effect reports without unnecessary complexity (top praise) > **TL;DR:** Yellow Card is a entertainment app by Paul Barnes, rated 4.1/5 by 169 users, with Upset user sentiment (20/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Yellow Card faces Upset user sentiment (4.1/5 from 169 reviews), with rigid registration and login flows prevent users from accessing the reporting functionality entirely as the primary user concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.1/5 (169 reviews) | | **User Mood** | Upset | | **Category** | Entertainment | | **Developer** | Paul Barnes | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | Low (0.55/1.0) | | **Data Age** | 72d | ## Metadata & Market Performance - **Publisher:** Paul Barnes - **Category:** Entertainment - **Target Audience:** Individuals seeking a digital tool to simulate football referee disciplinary actions for recreational use. - **Platforms:** iOS & Android - **Version Reviewed:** 1.0.1 - **Report Date:** 2026-06-05 - **Signal Count:** 51 reviews analyzed - **Confidence:** Low (0.55/1.0) - **App Store ID (iOS):** 1521504507 - **Bundle ID:** com.PaulBarnes.Yellow-Card - **Google Play ID:** uk.org.mhra.yellowcard - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-06-05 ## Executive Snapshot **What it is:** Yellow Card is a recreational utility app for simulating football referee disciplinary actions on iOS and Android. **Why users hire it:** Users hire the app for quick, low-stakes social pranks, though the current implementation fails to maintain engagement due to technical instability. ## App DNA (Features & Intent) - **[Basic] Card Display:** Visual representation of yellow, red, or black cards on the mobile screen - **[Standard] Whistle Audio:** Audio playback triggered by button press or long-press on the card interface - **[Basic] Card Title Toggle:** User-controlled visibility of text labels on the card interface - **[Standard] Swipe Navigation:** Gesture-based transition between different card types ## Market Position {#market-position} The app maintains a 4.1 rating on Android with 166 reviews, yet its lack of feature updates since 2015 indicates a stagnant position in the entertainment utility space. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The application operates as a free utility with no observed monetization, IAP, or ad-supported tiers. ## 🔴 User Sentiment (Low Confidence: 51 of 51 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.1/5 - **Platform Split:** iOS 4.3/5 (3 ratings) | Android 4.1/5 (166 ratings) - **Overall Sentiment:** Upset - **Note:** The 4.1/5 store rating reflects cumulative history, while the Upset sentiment reflects recent user reviews analyzed by our AI pipeline. ### Top Praises - **The simple interface allows users to submit medication side effect reports without unnecessary complexity** ### Top Complaints (Impact Areas) - **Rigid registration and login flows prevent users from accessing the reporting functionality entirely** ## SWOT Analysis {#swot} **Core Strengths:** - Simple interface allows for immediate, low-friction card reveals. **Growth Levers:** - Integrate gesture-based reveals to match interactive standards. ## Recent Changes (v3 → v4) {#recent-changes} The app's competitive position has declined due to newly surfaced technical failures in registration and data stability, forcing a shift in PM focus toward core remediation. **Overall trend**: Declining **Compared at**: 2026-06-05 ### High-impact changes - **[Declined] Sentiment Collapse** (sentiment) - **[Declined] Outlook Downgrade** (positioning) ### Medium-impact changes - **[Added] Technical Weaknesses Identified** (swot) - **[Added] Feature List Refinement** (features) ## What's New - **Latest (v1.0.1, 5 years ago):** Added swipe gestures for navigation between cards. ## App Momentum (Zombie) {#momentum} - Implemented swipe gestures for navigation. - Maintained static feature set since launch. > **Cadence:** 2 total versions · 1 majors in last 6 months · 14 days since last update · 2127 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Yellow Card is a entertainment app that is completely free. With a 4.1/5 rating from 169 reviews, it faces significant user friction. > **Bottom Line:** Yellow Card provides a simple utility for football pranks, but persistent registration and stability issues prevent it from retaining users, so the PM must prioritize technical stability over new features to prevent total churn. **Best for:** Individuals seeking a digital tool to simulate football referee disciplinary actions for recreational use. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Rebuild registration flow because phone number validation errors block access → increase user conversion ### Feature Gaps vs Competitors - NFC-triggered events (available in The Stranger) ### Outlook: Declining The entertainment utility market is consolidating around interactive, sensor-driven experiences that offer higher replay value than static apps. Yellow Card remains exposed due to its lack of active development and technical instability, so the app will likely continue to lose ground to modern competitors unless the core usability barriers are resolved. - 🔴 Persistent registration failures block new users, which compounds the negative sentiment already visible in the Android review base. - 🔴 Frequent crashes during the reporting process drive users away, accelerating churn pressure into the next quarter. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.1/5 | | Total Reviews | 169 | | Sentiment | Upset (20/100) | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 4 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Yellow Card** (this app) | 4.1/5 | Upset | Paul Barnes | | [My Collections: Dimensions Ed.](https://marlvel.ai/apps/my-collections-dimensions-ed) | 4.6/5 | N/A | Tuyware | | [The Stranger](https://marlvel.ai/apps/the-stranger) | 4.9/5 | Thrilled | Jonathan Levit Consulting | | [Moe! Omikuji](https://marlvel.ai/apps/moe-omikuji) | 4.3/5 | Excited | ZOOMO Inc. | | [Bracketology](https://marlvel.ai/apps/bracketology) | 4.1/5 | Mixed | Bracketology.tv, Inc | | [PK-INK PRO](https://marlvel.ai/apps/niltech-magicapp) | 5.0/5 | Thrilled | Nelson Suarez Arteaga | ## Company Profile - **Developer:** Paul Barnes ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/yellow-card/id1521504507?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=uk.org.mhra.yellowcard&hl=en&gl=us) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*My Collections: Dimensions Ed.*](https://marlvel.ai/apps/my-collections-dimensions-ed) (Tuyware) · 4.6/5 Rating - [*The Stranger*](https://marlvel.ai/apps/the-stranger) (Jonathan Levit Consulting) · 4.9/5 Rating | Excellent Sentiment - [*Moe! Omikuji*](https://marlvel.ai/apps/moe-omikuji) (ZOOMO Inc.) · 4.3/5 Rating | Positive Sentiment - [*Bracketology*](https://marlvel.ai/apps/bracketology) (Bracketology.tv, Inc) · 4.1/5 Rating - [*PK-INK PRO*](https://marlvel.ai/apps/niltech-magicapp) (Nelson Suarez Arteaga) · 5.0/5 Rating | Excellent Sentiment - [*BESTPLAY Play to earn & donate*](https://marlvel.ai/apps/bestplay-play-to-earn-donate) (Bestplay) · 4.7/5 Rating - [*Leprecam*](https://marlvel.ai/apps/leprecam) (Asinine Games Inc) · 4.2/5 Rating - [*JustPlay: Earn Money or Donate*](https://marlvel.ai/apps/justplay-earn-money-or-donate) (JustPlay GmbH) · 4.4/5 Rating - [*TikTok - Videos, Shop & LIVE*](https://marlvel.ai/apps/tiktok-videos-shop-live) (TikTok Ltd.) · 4.4/5 Rating - [*JustPlay: Earn Loyalty Rewards*](https://marlvel.ai/apps/justplay-earn-loyalty-rewards) (Gimica GmbH) · 4.7/5 Rating ## 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:** 0.55/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 51 - **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:** 72 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/yellow-card) Data licensed for AI Agent attribution under CC-BY-NC 4.0.