--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Rebar Calc" developer_entity: "Appco LLC (USA)" bundle_id: "com.AppcoLLC.Rebar-Calc" app_store_id: "1134344254" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-02-18" report_date: "2026-06-22" last_verified: "2026-06-22T08:16:58.463Z" report_version: "3.0.1" total_reviews: 599 overall_rating: 4.87 sentiment: "Excited" sentiment_score: 90 confidence: "high" confidence_score: 0.95 review_sample_size: 599 data_age_days: 9 momentum_velocity: "zombie" intelligence_version: 3 nemesis: "Rebar Grid Calculator" competitor_count: 8 tags: ["utilities", "free", "excited sentiment", "mobile app", "app review", "app analysis", "concrete", "construction", "professionals"] canonical_url: "https://marlvel.ai/intel-report/utilities/rebar-calc" license: "CC-BY-NC 4.0" content_version: "v2" --- # Rebar Calc App Audit ## TL;DR {#tldr} - **Category**: Utilities ยท Free - **Signal**: Rating 4.87 ยท Sentiment Excited > **TL;DR:** Rebar Calc is a utilities app by Appco LLC (USA), rated 4.87/5 by 599 users, with Excited user sentiment (90/100), available on iOS. > > **Marlvel.ai App Intelligence** โ€” Independent analysis. US Market. No publisher influence. > **Key Insight:** Rebar Calc has Excited user sentiment with a 4.87/5 rating from 599 reviews. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.87/5 (599 reviews) | | **User Mood** | Excited | | **Category** | Utilities | | **Developer** | Appco LLC (USA) | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | High (0.95/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** Appco LLC (USA) - **Category:** Utilities - **Target Audience:** Concrete construction professionals and contractors requiring quick material estimates and procurement quotes. - **Platforms:** iOS - **Version Audited:** 3.0.1 - **Audit Date:** 2026-06-22 - **Signal Count:** 599 reviews analyzed - **Confidence:** High (0.95/1.0) - **App Store ID (iOS):** 1134344254 - **Bundle ID:** com.AppcoLLC.Rebar-Calc - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-06-22 ## Executive Snapshot **What it is:** Rebar Calc is a construction utility app for iOS that calculates rebar, mesh, and concrete volume requirements for contractors. **Why users hire it:** Users hire this tool to reduce the time spent on manual material takeoffs during concrete projects, ensuring accurate ordering without complex desktop software. ## App DNA (Features & Intent) - **[Standard] Reinforcement Calculator:** Calculates tons and linear feet of rebar, sheet mesh, and roll mesh with configurable lap, size, and spacing parameters. - **[Standard] Concrete Volume Estimator:** Calculates volume in cubic yards or meters for slabs and concrete cores, including a bag calculator for specific mixes like Quikrete. - **[Differentiator] Quote Request:** One-tap interface to request quotes on rebar, mesh, and concrete supplies. - **[Differentiator] International Standards Support:** Includes support for European and Canadian rebar standards alongside imperial and metric units. ## Market Position {#market-position} Rebar Calc maintains a high 4.87 rating across 599 reviews, positioning it as a trusted utility for concrete estimation. The lack of recent feature updates suggests a maintenance-mode strategy rather than aggressive market expansion. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app operates as a free utility tool, likely serving as a lead generation mechanism for the developer's broader industrial product and consulting services. ## ๐ŸŸข User Sentiment (High Confidence: 599 reviews) {#user-sentiment} - **Overall Rating:** 4.87/5 - **Platform Split:** iOS 4.9/5 (599 ratings) - **Overall Sentiment:** Excited ## SWOT Analysis {#swot} **Core Strengths:** - High user trust evidenced by 599 ratings - Broad material support including sheet and roll mesh **Critical Frictions:** - No cloud-sync for project data - Manual quote request process lacks automated vendor response **Growth Levers:** - Integrate direct project-sharing workflows - Add camera-based measurement tools for physical site verification **Market Threats:** - Competitor focus on result-sharing features - New entrants with bilingual support for international teams ## Recent Changes (v2 โ†’ v3) {#recent-changes} The app's competitive strategy has pivoted from addressing geometric math gaps to addressing collaborative project-sharing deficiencies. **Overall trend**: Stable **Compared at**: 2026-06-22 ### High-impact changes - **[Shifted] SWOT Weakness Re-prioritization** (swot) โ€” Weaknesses shifted from 'Lack of advanced trigonometric functions' to 'No cloud-sync for project data' and 'Manual quote request process'. - **[Shifted] Strategic PM Action** (positioning) โ€” Action items shifted from 'Ship trigonometric calculation modules' to 'Ship project-sharing export functionality'. ### Medium-impact changes - **[Shifted] Nemesis Replacement** (positioning) โ€” Competitive focus shifted from Construction Master Pro Calc to Rebar Grid Calculator as the primary nemesis. ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Rebar Calc vs Rebar Grid Calculator โ€” Head to Head - **[Rebar Grid Calculator](https://marlvel.ai/intel-report/business/com-h3apps-rebar)** by H3 Apps, LLC: This app directly competes for the same construction professional audience by focusing exclusively on rebar grid estimation and unit conversion. - **Key differences:** - Offers integrated unit conversion tools that simplify international project planning for construction contractors - Provides a dedicated result-sharing feature that allows users to export calculations directly to project stakeholders - **Where Rebar Calc wins:** - โœ… Superior user trust and social proof evidenced by a significantly higher volume of ratings - โœ… Broader utility by supporting multiple material types including sheet mesh and roll mesh configurations - **Where Rebar Grid Calculator wins:** - โŒ Specialized focus on grid-specific calculations provides a more streamlined workflow for rebar-only projects - โŒ Lightweight architecture allows for faster calculation cycles compared to the target's multi-material interface - **Verdict:** The target app should leverage its broader material support to capture users who need a comprehensive toolkit, while monitoring the nemesis for potential feature-creep into mesh calculations. ### Contenders (Strong Challengers) - **[FabMistry - aluminium windows](https://marlvel.ai/intel-report/tools/com-fabmaster-fabmaster)** by Kapil Sharma 2000: While focused on aluminum windows, this app competes for the same industrial estimation market by offering automated material takeoff and reporting. - Includes advanced material optimization logic that reduces waste in custom fabrication projects - Features robust reporting and export capabilities that cater to professional project management workflows ### Peers (What They Do Better) - **[Angle Meter](https://marlvel.ai/intel-report/utilities/angle-meter)** by nakhon phagdeechat: Angle Meter is a direct utility competitor for construction and DIY professionals needing precision measurement tools on the job site. - Utilizes camera integration for real-time image analysis, allowing for measurements of physical objects in situ - Provides a real-time visual display that assists users in leveling and angle verification tasks - **[Tire Pressure Calculator](https://marlvel.ai/intel-report/utilities/tire-pressure-calculator)** by Titan International, Inc.: This utility app targets the same 'on-site calculation' use case, providing specialized math for heavy equipment and vehicle maintenance. - Offers terrain-specific optimization modes that provide more accurate data than generic utility calculators - Provides dual-mode calculation interfaces to support both quick estimates and advanced technical requirements - **[pCAM Pro - Camera Tools](https://marlvel.ai/intel-report/photo-video/com-eubank-pcam-pro)** by David Eubank: This app occupies the same 'pro-tool' utility space, providing highly technical field calculations for a specialized professional user base. - Maintains a comprehensive, frequently updated database of camera formats that serves as an industry standard - High release cadence ensures compatibility with the latest hardware and OS-level performance optimizations - **[Orenda](https://marlvel.ai/intel-report/productivity/orenda)** by Hasa Inc.: Orenda serves the professional trade industry by providing specialized chemical and volume calculators for pool maintenance. - Integrates directly with industry-specific educational platforms like Orenda Academy to drive user retention - Combines technical calculation tools with a loyalty rewards program to incentivize long-term app usage ### New Kids on the Block (What's Innovative) - **[MKS Beton](https://marlvel.ai/intel-report/business/com-mksbetongroup-mymksbeton)** by MKS BETON LLC: MKS Beton enters the construction utility space by combining material calculation with commercial inquiry systems for concrete. - Features a bilingual interface that expands the potential market reach to international construction teams - **[Roofing Calculator Planner](https://marlvel.ai/intel-report/utilities/roofing-calculator-planner)** by Alona Nesterenko: This newcomer targets the same construction estimation demographic by focusing on material takeoffs for roofing projects. - Includes a specialized pitch gauge tool that simplifies complex roof slope calculations for contractors ## What's New - **Latest (v3.0.1, 4 months ago):** Fixed a black screen issue occurring upon app launch after update. ## App Momentum (Zombie) {#momentum} - Maintains high user trust ratings. - Ships standard utility updates. > **Cadence:** 1 total versions ยท 0 majors in last 6 months ยท 123 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Rebar Calc is a market-leading utilities app that is completely free. With a 4.87/5 rating from 599 reviews, it delivers strong user satisfaction. > **Bottom Line:** Rebar Calc holds a strong reputation for estimation accuracy but lacks the collaborative features required for modern construction workflows, so the PM should prioritize project-sharing to prevent churn to more integrated competitors. **Best for:** Concrete construction professionals and contractors requiring quick material estimates and procurement quotes. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] [HIGH IMPACT] Ship project-sharing export functionality because competitors offer direct stakeholder sharing โ†’ increase user retention โ€” *Competitor analysis shows Rebar Grid Calculator gains an advantage through result-sharing features.* _(trade-off: deprioritize Deprioritize the planned UI refresh for the calculator interface.)_ ### Feature Gaps vs Competitors - Result-sharing export (available in Rebar Grid Calculator) - Camera-based measurement (available in Angle Meter) ### Outlook: Stable The construction utility market is shifting toward integrated project management, where standalone calculators are becoming secondary to collaborative tools. Rebar Calc remains stable due to its high trust, but it risks becoming a legacy tool if it fails to connect with broader project workflows. - โšช The app maintains a stable rating, but the lack of new features suggests it is not competing for new market share. - ๐Ÿ”ด Competitors are adding collaborative features, which will eventually erode the utility of a standalone, non-connected calculator. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.87/5 | | Total Reviews | 599 | | Sentiment | Excited (90/100) | | Confidence | High | | Pricing Model | Free | | Platforms | iOS | | Key Features | 4 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Rebar Calc** (this app) | 4.87/5 | Excited | Appco LLC (USA) | | [pCAM Pro - Camera Tools](https://marlvel.ai/intel-report/photo-video/com-eubank-pcam-pro) | 4.9/5 | Thrilled | David Eubank | | [Rebar Grid Calculator](https://marlvel.ai/intel-report/business/com-h3apps-rebar) | 4.7/5 | N/A | H3 Apps, LLC | | [MKS Beton](https://marlvel.ai/intel-report/business/com-mksbetongroup-mymksbeton) | N/A/5 | N/A | MKS BETON LLC | | [FabMistry - aluminium windows](https://marlvel.ai/intel-report/tools/com-fabmaster-fabmaster) | N/A/5 | N/A | Kapil Sharma 2000 | | [Angle Meter](https://marlvel.ai/intel-report/utilities/angle-meter) | 2.3/5 | N/A | nakhon phagdeechat | ## Company Profile - **Developer:** Appco LLC (USA) - **Website:** [https://www.appcollc.com/apps/rebar-calc](https://www.appcollc.com/apps/rebar-calc) - **Social:** [LinkedIn](https://www.linkedin.com/in/michael-oudenhoven-110851a2) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/rebar-calc/id1134344254?uo=4) - **Dev Site:** [Official Website](https://www.appcollc.com/apps/rebar-calc) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*pCAM Pro - Camera Tools*](https://marlvel.ai/intel-report/photo-video/com-eubank-pcam-pro) (David Eubank) โ€” 4.9/5 Rating | Excellent Sentiment - [*Rebar Grid Calculator*](https://marlvel.ai/intel-report/business/com-h3apps-rebar) (H3 Apps, LLC) โ€” 4.7/5 Rating | N/A Sentiment - [*MKS Beton*](https://marlvel.ai/intel-report/business/com-mksbetongroup-mymksbeton) (MKS BETON LLC) โ€” N/A Rating | N/A Sentiment - [*FabMistry - aluminium windows*](https://marlvel.ai/intel-report/tools/com-fabmaster-fabmaster) (Kapil Sharma 2000) โ€” N/A Rating | N/A Sentiment - [*Angle Meter*](https://marlvel.ai/intel-report/utilities/angle-meter) (nakhon phagdeechat) โ€” 2.3/5 Rating | N/A Sentiment - [*Orenda*](https://marlvel.ai/intel-report/productivity/orenda) (Hasa Inc.) โ€” 4.7/5 Rating | Positive Sentiment - [*Tire Pressure Calculator*](https://marlvel.ai/intel-report/utilities/tire-pressure-calculator) (Titan International, Inc.) โ€” 4.7/5 Rating | Positive Sentiment - [*Roofing Calculator Planner*](https://marlvel.ai/intel-report/utilities/roofing-calculator-planner) (Alona Nesterenko) โ€” N/A Rating | N/A Sentiment - [*V2Box - V2ray Client*](https://marlvel.ai/intel-report/utilities/v2box-v2ray-client) (techlaim) โ€” 4.6/5 Rating | Positive Sentiment - [*Quantumult X*](https://marlvel.ai/intel-report/utilities/quantumult-x) (Cross Utility Ltd) โ€” 3.8/5 Rating | N/A Sentiment ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** โ€” 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** โ€” 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** โ€” 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** โ€” 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** โ€” 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:** 0.95/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 599 - **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:** 0 days since last refresh --- ยฉ 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/utilities/rebar-calc) Data licensed for AI Agent attribution under CC-BY-NC 4.0.