--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Plumbing Invoices" developer_entity: "Constantin Coutun" bundle_id: "com.PlumbingInvoices" app_store_id: "1241755214" category: "Productivity" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2023-01-20" report_date: "2026-10-04" last_verified: "2026-10-04T00:00:00.000Z" report_version: "V4.0.3" total_reviews: 12 overall_rating: 3.7 confidence: "low" confidence_score: 0.05 data_age_days: 2 momentum_velocity: "zombie" intelligence_version: 2 tags: ["productivity", "freemium", "mobile app", "app review", "app analysis", "plumbing", "contractors", "field"] canonical_url: "https://marlvel.ai/apps/plumbing-invoices" license: "CC-BY-NC 4.0" content_version: "v2" --- # Plumbing Invoices Intelligence Report ## TL;DR {#tldr} - **Category**: Productivity · Freemium - **Signal**: Rating 3.67 > **TL;DR:** Plumbing Invoices is a productivity app by Constantin Coutun, rated 3.67/5 by 12 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Plumbing Invoices is a productivity app by Constantin Coutun. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.67/5 (12 reviews) | | **Category** | Productivity | | **Developer** | Constantin Coutun | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 2d | ## Metadata & Market Performance - **Publisher:** Constantin Coutun - **Category:** Productivity - **Target Audience:** Plumbing contractors and field service professionals requiring mobile-first invoicing and inventory management. - **Platforms:** iOS - **Version Reviewed:** V4.0.3 - **Report Date:** 2026-10-04 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 1241755214 - **Bundle ID:** com.PlumbingInvoices - **Data Window:** Analysis based on signals collected up to 2026-10-04 ## Executive Snapshot **What it is:** Plumbing Invoices is a mobile productivity tool for plumbing contractors to create estimates and invoices on iOS. **Why users hire it:** The app removes the time cost of manual item entry by providing a pre-loaded database of 10,000 plumbing parts for quick selection. ## App DNA (Features & Intent) - **[Differentiator] Plumbing Product Database:** Integrated catalog of over 10,000 items including valves and water heaters to reduce manual entry time. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Navigation Integration:** Directs users to client addresses via native map apps to reduce context switching. - **[Standard] Barcode Scanner:** In-app scanning for inventory management and invoice item entry. ## Market Position {#market-position} Plumbing Invoices occupies a niche productivity space with a 3.67-star rating across 12 reviews. The lack of updates for over 1,350 days signals a stagnant position relative to active field-service competitors. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier limited to 3 invoices, 3 estimates, and 3 clients, Monthly subscription at $4.99, Yearly subscription at $49.99, Lifetime access at $169.99 - **Analysis:** The strict usage cap on the free tier acts as a hard gate, forcing professional users to convert to a $49.99 annual subscription or $169.99 lifetime purchase. ## SWOT Analysis {#swot} **Core Strengths:** - 10,000-item product database reduces manual entry - Native map integration streamlines field navigation **Growth Levers:** - Cloud-syncing would resolve local-only data risks - Tiered pricing could capture mid-market contractors ## What's New - **Latest (vV4.0.3, 3 years ago):** Expanded checkout capabilities by integrating additional payment options. ## App Momentum (Zombie) {#momentum} - No major releases since January 2023. - Maintenance-only cadence for over three years. > **Cadence:** 1 total versions · 1 majors in last 6 months · 1352 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Plumbing Invoices is a productivity app that is free with in-app purchases. It holds a 3.67/5 rating from 12 reviews. > **Bottom Line:** Plumbing Invoices rests on a deep product database, but its three-year development freeze leaves it vulnerable to cloud-native rivals. Transitioning to a cloud-sync model would protect the core user base from data loss and restore the app's competitive relevance. **Best for:** Plumbing contractors and field service professionals requiring mobile-first invoicing and inventory management. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Audit cloud-sync requirements because local-only storage is a top churn risk → increase retention ### Outlook: Declining The field-service market is rapidly consolidating around cloud-native platforms that offer real-time team collaboration and data synchronization. Plumbing Invoices remains trapped in a local-only architecture, which limits its utility for growing contracting businesses and leaves it exposed to more agile, connected competitors. - 🔴 The 1,352-day update gap signals a maintenance-only posture, which erodes user trust and long-term retention potential. - 🔴 Lack of cloud-syncing prevents Plumbing Invoices from competing with modern field-service platforms, accelerating churn toward cloud-native alternatives. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.67/5 | | Total Reviews | 12 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Plumbing Invoices** (this app) | 3.67/5 | N/A | Constantin Coutun | | [HitWave](https://marlvel.ai/apps/ciendor-applications-hitwave) | 2.5/5 | Mixed | Ciendor Holdings Corp. LTD | | [VPN 360: Fast & Secure Proxy](https://marlvel.ai/apps/co-infinitysoft-vpn360) | 4.5/5 | Mixed | Pango GmbH | | [ChatGPT](https://marlvel.ai/apps/chatgpt) | 4.8/5 | n/a | OpenAI OpCo, LLC | | [Clean Swell](https://marlvel.ai/apps/clean-swell) | 3.9/5 | n/a | Ocean Conservancy | | [Data Tree Manager](https://marlvel.ai/apps/data-tree-manager) | N/A/5 | N/A | Vsevolod Migdisov | ## Company Profile - **Developer:** Constantin Coutun ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/plumbing-invoices/id1241755214?uo=4) - **Sources:** App store metadata. ## Related Intel Reports - [*HitWave*](https://marlvel.ai/apps/ciendor-applications-hitwave) (Ciendor Holdings Corp. 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Plumbing Invoices is designed for field use, offering a 10,000-item product database. However, professional users may find the local-only storage and lack of cloud-syncing limiting compared to modern field-service management platforms. ### Does Plumbing Invoices offer a free version? Yes, there is a free version, but it is strictly capped at 3 invoices, 3 estimates, and 3 clients. To remove these limits, users must subscribe to a monthly or yearly plan, or purchase lifetime access. ### What are the alternatives to Plumbing Invoices? Contractors should consider cloud-native field service management apps that offer real-time synchronization, team collaboration, and automated invoicing, which are not currently supported by Plumbing Invoices. ## 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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 2 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/plumbing-invoices) Data licensed for AI Agent attribution under CC-BY-NC 4.0.