--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Calculadora de Obra" developer_entity: "Deusdete Filho" bundle_id: "com.defapps.calculadoraobra" app_store_id: "6748490957" category: "Productivity" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-01-06" report_date: "2026-10-16" last_verified: "2026-10-16T00:00:00.000Z" report_version: "1.2" total_reviews: 0 confidence: "low" confidence_score: 0.15 data_age_days: 29 momentum_velocity: "zombie" intelligence_version: 2 tags: ["productivity", "free", "mobile app", "app review", "app analysis", "civil", "engineers,", "architects,"] canonical_url: "https://marlvel.ai/apps/calculadora-de-obra" license: "CC-BY-NC 4.0" content_version: "v2" --- # Calculadora de Obra Intelligence Report ## TL;DR {#tldr} - **Category**: Productivity · Free > **TL;DR:** Calculadora de Obra is a productivity app by Deusdete Filho, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Calculadora de Obra is a productivity app by Deusdete Filho. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Productivity | | **Developer** | Deusdete Filho | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.15/1.0) | | **Data Age** | 29d | ## Metadata & Market Performance - **Publisher:** Deusdete Filho - **Category:** Productivity - **Target Audience:** Civil engineers, architects, construction foremen, and contractors. - **Platforms:** iOS - **Version Reviewed:** 1.2 - **Report Date:** 2026-10-16 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.15/1.0) - **App Store ID (iOS):** 6748490957 - **Bundle ID:** com.defapps.calculadoraobra - **Data Window:** Analysis based on signals collected up to 2026-10-16 ## Executive Snapshot **What it is:** Calculadora de Obra is a mobile-first construction estimation app for engineers and contractors on iOS. **Why users hire it:** The app removes the manual friction of calculating material volumes and project costs, which reduces the risk of over-purchasing supplies on construction sites. ## App DNA (Features & Intent) - **[Standard] Material Quantity Calculator:** Calculates requirements for concrete, masonry, painting, and roofing to reduce waste. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Differentiator] Cost Control and Budgeting:** Enables regional price input for total project cost estimation. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Calculadora de Obra operates as a niche productivity tool in the construction segment. The lack of updates over the last 283 days indicates a static market position relative to more active competitors. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is currently free with no observable monetization gates, suggesting a lack of revenue-generating strategy. ## SWOT Analysis {#swot} **Core Strengths:** - Specialized construction-math modules function as a B2B-style distribution barrier **Growth Levers:** - Cloud-based project syncing would address current multi-device limitations ## What's New - **Latest (v1.2, 9 months ago):** Release notes contain marketing copy rather than functional updates. ## App Momentum (Zombie) {#momentum} - Quiet 9 months, no functional updates. - Last major release January 2026. > **Cadence:** 1 total versions · 0 majors in last 6 months · 283 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Calculadora de Obra is a productivity app that is completely free. > **Bottom Line:** Calculadora de Obra provides a functional utility for material estimation, but the 9-month development gap leaves it vulnerable to more active competitors. Implementing a sustainable monetization model would unlock the capital needed to modernize the feature set. **Best for:** Civil engineers, architects, construction foremen, and contractors. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Audit user feedback loops because the lack of recent updates prevents identifying critical missing features → improve retention ### Outlook: Stable The construction-productivity market is shifting toward integrated project management, leaving standalone estimation tools like Calculadora de Obra exposed. Without a pivot to a sustainable revenue model or a resumption of development, the app will likely continue to lose relevance to more comprehensive platforms. - 🔴 The 283-day update gap suggests the app is in maintenance mode, which limits its ability to adapt to new construction standards. - ⚪ The current free-only model provides no revenue stream, which likely prevents the developer from investing in necessary feature expansion. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 2 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Calculadora de Obra** (this app) | N/A/5 | N/A | Deusdete Filho | | [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 | | [VPN - Super Unlimited Proxy](https://marlvel.ai/apps/vpn-super-unlimited-proxy) | 4.7/5 | Thrilled | Mobile Jump Pte Ltd | | [Bookmarks - Send To Self](https://marlvel.ai/apps/bookmarks-send-to-self) | 4.4/5 | Excited | GILI | | [ChatGPT](https://marlvel.ai/apps/chatgpt) | 4.8/5 | n/a | OpenAI OpCo, LLC | ## Company Profile - **Developer:** Deusdete Filho - **Website:** [https://defaplicativos.com.br/](https://defaplicativos.com.br/) ## Data Sources & Links - **App Store ID:** 6748490957 - **Dev Site:** [Official Website](https://defaplicativos.com.br/) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*HitWave*](https://marlvel.ai/apps/ciendor-applications-hitwave) (Ciendor Holdings Corp. LTD) · 2.5/5 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 - [*Bookmarks - Send To Self*](https://marlvel.ai/apps/bookmarks-send-to-self) (GILI) · 4.4/5 Rating | Positive Sentiment - [*ChatGPT*](https://marlvel.ai/apps/chatgpt) (OpenAI OpCo, LLC) · 4.8/5 Rating - [*Clean Swell*](https://marlvel.ai/apps/clean-swell) (Ocean Conservancy) · 3.9/5 Rating - [*Data Tree Manager*](https://marlvel.ai/apps/data-tree-manager) (Vsevolod Migdisov) · N/A Rating - [*DoughLab - Baking Recipe Lab*](https://marlvel.ai/apps/doughlab-baking-recipe-lab) (Jeong-soo Park) · N/A Rating - [*Google Gemini*](https://marlvel.ai/apps/google-gemini-1) (Google LLC) · 4.6/5 Rating | Positive Sentiment - [*Infomaniak Euria*](https://marlvel.ai/apps/infomaniak-euria) (Infomaniak Network SA) · 4.8/5 Rating ## Frequently Asked Questions {#faq} ### Is Calculadora de Obra suitable for professional use? Calculadora de Obra is designed for engineers, architects, and contractors to perform rapid material and cost estimations, though the lack of recent updates may limit its integration with modern workflows. ### Does Calculadora de Obra cost money to use? Calculadora de Obra is currently listed as a free application with no observable subscription or in-app purchase gates. ### What are the limitations of Calculadora de Obra? The primary limitation is the lack of recent development, as the app has not received a functional update in over nine months. ## 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:** 0.15/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** developer website, 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:** 29 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/calculadora-de-obra) Data licensed for AI Agent attribution under CC-BY-NC 4.0.