--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Construction Calculator: Field" developer_entity: "凤英 刘" bundle_id: "com.Calculator.JobsiteCalc" app_store_id: "6795152541" category: "Productivity" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: true market_region: "US" platforms: "iOS" app_last_updated: "2026-08-10" report_date: "2026-09-12" last_verified: "2026-09-12T00:00:00.000Z" report_version: "1.0" total_reviews: 0 confidence: "low" confidence_score: 0.05 data_age_days: 18 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["productivity", "freemium", "mobile app", "app review", "app analysis", "contractors,", "builders,", "carpenters,"] canonical_url: "https://marlvel.ai/apps/construction-calculator-field" license: "CC-BY-NC 4.0" content_version: "v2" --- # Construction Calculator: Field Intelligence Report ## TL;DR {#tldr} - **Category**: Productivity · Freemium > **TL;DR:** Construction Calculator: Field is a productivity app by 凤英 刘, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Construction Calculator: Field is a productivity app by 凤英 刘. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Productivity | | **Developer** | 凤英 刘 | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 18d | ## Metadata & Market Performance - **Publisher:** 凤英 刘 - **Category:** Productivity - **Target Audience:** Contractors, builders, carpenters, and DIY users requiring fast material estimates on jobsites. - **Platforms:** iOS - **Version Reviewed:** 1.0 - **Report Date:** 2026-09-12 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 6795152541 - **Bundle ID:** com.Calculator.JobsiteCalc - **Data Window:** Analysis based on signals collected up to 2026-09-12 ## Executive Snapshot **What it is:** Construction Calculator: Field is a mobile utility for contractors and DIY users that provides material estimation tools for concrete, gravel, and lumber projects. **Why users hire it:** The app removes the cognitive and time cost of manual spreadsheet calculations on jobsites, particularly where internet connectivity is unavailable. ## App DNA (Features & Intent) - **[Standard] Construction Calculators:** Specialized math tools for concrete, square footage, gravel, lumber, and fractions. - **[Differentiator] PDF Reporting:** Generates professional PDF reports from calculation results, serving as a paid-conversion lever for contractors. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] Offline Functionality:** Enables calculation and data access without internet connectivity, reducing churn for remote jobsites. * *User Intent:* Users want uninterrupted access without internet dependency. ## Market Position {#market-position} Construction Calculator: Field occupies a niche in the Productivity category, focusing on offline-first utility for construction professionals. The current maintenance-mode release cadence indicates a lack of aggressive growth, leaving the app's market position vulnerable to more frequently updated competitors. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with essential calculators, Pro tier with unlimited projects, full history, custom presets, and PDF reports - **Analysis:** The freemium model gates workflow management and professional reporting features behind a Pro upgrade to monetize professional users. ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture ensures utility on remote jobsites **Growth Levers:** - PDF reporting feature serves as a direct paid-conversion lever for contractors ## App Momentum (Maintenance) {#momentum} - Released only one version since launch. - Maintenance-mode cadence, no recent updates. > **Cadence:** 1 total versions · 0 majors in last 6 months · 33 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Construction Calculator: Field is a productivity app that is free with in-app purchases. > **Bottom Line:** Construction Calculator: Field provides essential utility for remote jobsites, but its current maintenance posture limits its ability to compete against more active rivals. Prioritizing a consistent update cadence would help defend its niche position against more agile competitors. **Best for:** Contractors, builders, carpenters, and DIY users requiring fast material estimates on jobsites. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Ship a minor update to address basic performance hygiene because the app has been in maintenance for 33 days → improve store visibility ### Outlook: Stable The construction utility market is increasingly favoring apps that offer integrated project management and cloud-sync capabilities. Construction Calculator: Field remains in a maintenance posture, which leaves it exposed to competitors that iterate more frequently, ultimately risking user churn to more modern, feature-rich alternatives. - 🔴 The lack of any major release in the last 33 days suggests the developer is not actively iterating on the product, which will likely lead to stagnation. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Construction Calculator: Field** (this app) | N/A/5 | N/A | 凤英 刘 | | [Mitsu: AI Life Coach](https://marlvel.ai/apps/mitsu-ai-life-coach) | N/A/5 | N/A | C2 Insights | | [ChatGPT](https://marlvel.ai/apps/chatgpt) | 4.8/5 | n/a | OpenAI OpCo, LLC | | [HitWave](https://marlvel.ai/apps/ciendor-applications-hitwave) | 2.6/5 | Mixed | Ciendor Holdings Corp. LTD | | [Paper: Sketch, Draw & Create](https://marlvel.ai/apps/paper-sketch-draw-create) | 4.6/5 | N/A | Evernote Corporation | | [Pattrn - Discipline Tracker](https://marlvel.ai/apps/pattrn-discipline-tracker) | 4.8/5 | Thrilled | Pedro Schott | ## Company Profile - **Developer:** 凤英 刘 ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/construction-calculator-field/id6795152541?uo=4) - **Sources:** App store metadata. ## Related Intel Reports - [*Mitsu: AI Life Coach*](https://marlvel.ai/apps/mitsu-ai-life-coach) (C2 Insights) · N/A Rating - [*ChatGPT*](https://marlvel.ai/apps/chatgpt) (OpenAI OpCo, LLC) · 4.8/5 Rating - [*HitWave*](https://marlvel.ai/apps/ciendor-applications-hitwave) (Ciendor Holdings Corp. LTD) · 2.6/5 Rating - [*Paper: Sketch, Draw & Create*](https://marlvel.ai/apps/paper-sketch-draw-create) (Evernote Corporation) · 4.6/5 Rating - [*Pattrn - Discipline Tracker*](https://marlvel.ai/apps/pattrn-discipline-tracker) (Pedro Schott) · 4.8/5 Rating | Excellent Sentiment - [*Perplexity - AI Search & Chat*](https://marlvel.ai/apps/perplexity-ai-search-chat) (Perplexity AI, Inc.) · 4.8/5 Rating - [*ScreenZen- Screen Time Control*](https://marlvel.ai/apps/screenzen-screen-time-control) (ScreenZen LLC) · 4.8/5 Rating | Excellent Sentiment - [*SpaceDesk App*](https://marlvel.ai/apps/spacedesk-app) (Hawsabah) · N/A Rating - [*VPN 360: Fast & Secure Proxy*](https://marlvel.ai/apps/co-infinitysoft-vpn360) (Pango GmbH) · 4.5/5 Rating - [*VPN - Super Unlimited Proxy*](https://marlvel.ai/apps/vpn-super-unlimited-proxy) (Mobile Jump Pte Ltd) · 4.7/5 Rating | Excellent Sentiment ## Frequently Asked Questions {#faq} ### Is Construction Calculator: Field free to use? Yes, the app offers a free tier that includes essential construction calculators. A Pro tier is available for users who need unlimited projects, full calculation history, custom presets, and professional PDF reports. ### Does Construction Calculator: Field require an internet connection? No, the app is designed to work offline, allowing contractors to perform calculations and access data even when working on remote jobsites without a signal. ### What are the main benefits of the Pro subscription? The Pro subscription unlocks unlimited project storage, complete calculation history, the ability to create custom material price and waste presets, and the option to export professional PDF reports for clients. ## 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:** 18 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/construction-calculator-field) Data licensed for AI Agent attribution under CC-BY-NC 4.0.