--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Master Plumber Test" developer_entity: "Cargo Teleport Inc" bundle_id: "com.cargoteleport.plumber" app_store_id: "6664061133" category: "Education" primary_platform: "ios" primary_monetization: "Subscription" offline_capable: true market_region: "US" platforms: "iOS & Android" app_last_updated: "2025-10-12" report_date: "2026-09-25" last_verified: "2026-09-25T00:00:00.000Z" report_version: "1.3.6" total_reviews: 2 overall_rating: 5 sentiment: "Thrilled" sentiment_score: 85 confidence: "medium" confidence_score: 0.55 top_praise_theme: "Adaptive testing features provide a personalized learning experience that helps students master complex educational material" review_sample_size: 3 total_review_count: 3 analyzed_review_count: 3 data_age_days: 17 momentum_velocity: "zombie" intelligence_version: 2 tags: ["education", "subscription", "thrilled sentiment", "mobile app", "app review", "app analysis", "aspiring", "journeyman", "plumbers"] canonical_url: "https://marlvel.ai/apps/master-plumber-test" license: "CC-BY-NC 4.0" content_version: "v2" --- # Master Plumber Test Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Subscription - **Signal**: Rating 5 · Sentiment Thrilled - **Recent focus**: Adaptive testing features provide a personalized learning experience that helps students master complex educational material (top praise) > **TL;DR:** Master Plumber Test is a education app by Cargo Teleport Inc, rated 5/5 by 2 users, with Thrilled user sentiment (85/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Master Plumber Test maintains Thrilled user sentiment (5/5 from 2 reviews), with users consistently praising adaptive testing features provide a personalized learning experience that helps students master complex educational material. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (2 reviews) | | **User Mood** | Thrilled | | **Category** | Education | | **Developer** | Cargo Teleport Inc | | **Pricing** | Subscription | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.55/1.0) | | **Data Age** | 17d | ## Metadata & Market Performance - **Publisher:** Cargo Teleport Inc - **Category:** Education - **Target Audience:** Aspiring and journeyman plumbers preparing for professional licensing exams in the United States. - **Platforms:** iOS & Android - **Version Reviewed:** 1.3.6 - **Report Date:** 2026-09-25 - **Signal Count:** 3 reviews analyzed - **Confidence:** Medium (0.55/1.0) - **App Store ID (iOS):** 6664061133 - **Bundle ID:** com.cargoteleport.plumber - **Google Play ID:** com.cargoteleport.plumber - **Data Window:** Analysis based on signals collected up to 2026-09-25 ## Executive Snapshot **What it is:** Master Plumber Test is an exam preparation tool for US-based plumbing licensing candidates, offering practice questions and code references on iOS and Android. **Why users hire it:** The app replaces static, heavy paper study guides with a portable, adaptive digital format that tracks progress and targets specific knowledge gaps. ## App DNA (Features & Intent) - **[Differentiator] Adaptive Test Options:** Dynamic testing engine that adjusts question difficulty based on user performance. - **[Standard] Offline Access:** Enables study sessions without an active internet connection. * *User Intent:* Users want uninterrupted access without internet dependency. - **[Standard] Detailed Explanations:** Provides reasoning and code references for every practice question. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Master Plumber Test maintains a 5-star rating across its limited user base. The lack of updates for nearly a year suggests a stable, niche product rather than an active growth-stage competitor. ## Monetization Strategy - **Model:** Subscription - **Tiers:** Free tier with limited access, Auto-renewable subscription for full access - **Analysis:** Subscription model utilizing auto-renewing payments via iTunes, gated by standard app store billing. ## 🟢 User Sentiment (Medium Confidence: 3 of 3 reviews analyzed) {#user-sentiment} - **Overall Rating:** 5/5 - **Platform Split:** iOS 5.0/5 (2 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **Adaptive testing features provide a personalized learning experience that helps students master complex educational material** - **General app usability and content quality receive positive feedback from users across the board** ## SWOT Analysis {#swot} **Core Strengths:** - Adaptive testing engine accelerates mastery of complex plumbing codes. - Offline access removes connectivity barriers for field-based study. **Growth Levers:** - Localized content for state-specific plumbing codes. ## What's New - **Latest (v1.3.6, 1 years ago):** Introduced Adaptive Test options, interactive flashcards, and a 'Show Correct Answer' toggle to enhance study workflows, supported by new in-app help documentation. ## App Momentum (Zombie) {#momentum} - Quiet 11 months, no feature expansion. - Last major release April 2025. > **Cadence:** 2 total versions · 1 majors in last 6 months · 348 days since last update · 191 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Master Plumber Test is an education app. It holds a 5/5 rating from 2 reviews. > **Bottom Line:** Updating the core code compliance data would address the primary risk of obsolescence, ensuring the app remains a viable study tool for licensing candidates. **Best for:** Aspiring and journeyman plumbers preparing for professional licensing exams in the United States. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Refresh code compliance data because the app has been dormant for 11 months → restore user trust ### Outlook: Stable The plumbing exam prep market is shifting toward web-based platforms that integrate real-time code updates. Master Plumber Test remains a stable, offline-capable tool, but its lack of recent updates leaves it exposed to more dynamic competitors. - ⚪ The 11-month development freeze suggests a stable, low-maintenance product lifecycle rather than an active growth strategy. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 2 | | Sentiment | Thrilled (85/100) | | Confidence | Medium | | Pricing Model | Subscription | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Master Plumber Test** (this app) | 5/5 | Thrilled | Cargo Teleport Inc | | [ALPA: Lernspiele für Kinder](https://marlvel.ai/apps/alpa-lernspiele-fur-kinder) | N/A/5 | N/A | ALPA Kids OU | | [ATPdigital (Legacy)](https://marlvel.ai/apps/atpdigital-legacy) | 2.0/5 | n/a | Bristol Groundschool International Ltd | | [Catbus Student](https://marlvel.ai/apps/catbus-student) | 4.3/5 | N/A | Cohota Join Stock Company | | [Chinese Tibetan Dictionary](https://marlvel.ai/apps/chinese-tibetan-dictionary) | 5.0/5 | Thrilled | Lobsang Monlam16922404891 | | [Legasthenie & LRS Trainer](https://marlvel.ai/apps/legasthenie-lrs-trainer) | N/A/5 | N/A | Matthias Aigner | ## Company Profile - **Developer:** Cargo Teleport Inc - **Website:** [https://plumber.hubtests.com](https://plumber.hubtests.com) ## Data Sources & Links - **App Store ID:** 6664061133 - **Google Play ID:** com.cargoteleport.plumber - **Dev Site:** [Official Website](https://plumber.hubtests.com) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*ALPA: Lernspiele für Kinder*](https://marlvel.ai/apps/alpa-lernspiele-fur-kinder) (ALPA Kids OU) · N/A Rating - [*ATPdigital (Legacy)*](https://marlvel.ai/apps/atpdigital-legacy) (Bristol Groundschool International Ltd) · 2.0/5 Rating - [*Catbus Student*](https://marlvel.ai/apps/catbus-student) (Cohota Join Stock Company) · 4.3/5 Rating - [*Chinese Tibetan Dictionary*](https://marlvel.ai/apps/chinese-tibetan-dictionary) (Lobsang Monlam16922404891) · 5.0/5 Rating | Excellent Sentiment - [*Legasthenie & LRS Trainer*](https://marlvel.ai/apps/legasthenie-lrs-trainer) (Matthias Aigner) · N/A Rating - [*Lyceum Leaf Parent*](https://marlvel.ai/apps/lyceum-leaf-parent) (Techcess Business Solutions (Pvt) Ltd) · N/A Rating - [*Money Matrix (CAD)*](https://marlvel.ai/apps/money-matrix-cad) (Blooming Kids Software LLC) · 5.0/5 Rating - [*myTibetan*](https://marlvel.ai/apps/mytibetan) (Yury Nevalenny) · 4.8/5 Rating | Excellent Sentiment - [*Quran Treasure Island for Kids*](https://marlvel.ai/apps/quran-treasure-island-for-kids) (Akeela Manekia) · 4.9/5 Rating - [*Sudoku - Number Puzzle Pro*](https://marlvel.ai/apps/sudoku-number-puzzle-pro) (阳理 江) · N/A Rating ## Frequently Asked Questions {#faq} ### Is Master Plumber Test suitable for my state's plumbing exam? The app covers general UPC and IPC plumbing codes, which are widely applicable. However, it does not explicitly claim to cover state-specific amendments, so users should verify their local requirements. ### Does Master Plumber Test require an internet connection? No, the app supports offline access, allowing you to study in field environments without an active internet connection. ### What is the difference between the free and paid versions? The free version offers limited access to practice questions, while the auto-renewable subscription unlocks full access to the complete range of practice tests and detailed explanations. ## 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:** 3 - **Data Sources:** user reviews, developer website, company about page, 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:** 17 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/master-plumber-test) Data licensed for AI Agent attribution under CC-BY-NC 4.0.