--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Mechanical Engg. Calculator" developer_entity: "Trelleborg Sealing Solutions" bundle_id: "com.tss.trelleborg.Formulas" app_store_id: "1100129593" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2023-09-28" report_date: "2026-08-14" last_verified: "2026-08-14T00:00:00.000Z" report_version: "1.4" total_reviews: 3 overall_rating: 3.7 sentiment: "Upset" sentiment_score: 10 confidence: "medium" confidence_score: 0.55 top_complaint_theme: "The return menu fails to function, preventing users from navigating the application interface effectively" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 2 momentum_velocity: "zombie" intelligence_version: 3 tags: ["utilities", "free", "upset sentiment", "mobile app", "app review", "app analysis", "mechanical", "engineering", "students"] canonical_url: "https://marlvel.ai/apps/mechanical-engg-calculator" license: "CC-BY-NC 4.0" content_version: "v2" --- # Mechanical Engg. Calculator Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Free - **Signal**: Rating 3.67 · Sentiment Upset - **Recent focus**: The return menu fails to function, preventing users from navigating the application interface effectively (top complaint) > **TL;DR:** Mechanical Engg. Calculator is a utilities app by Trelleborg Sealing Solutions, rated 3.67/5 by 3 users, with Upset user sentiment (10/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Mechanical Engg. Calculator faces Upset user sentiment (3.67/5 from 3 reviews), with users reporting the return menu fails to function, preventing users from navigating the application interface effectively as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.67/5 (3 reviews) | | **User Mood** | Upset | | **Category** | Utilities | | **Developer** | Trelleborg Sealing Solutions | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Medium (0.55/1.0) | | **Data Age** | 2d | ## Metadata & Market Performance - **Publisher:** Trelleborg Sealing Solutions - **Category:** Utilities - **Target Audience:** Mechanical engineering students and professional engineers requiring quick access to physics and engineering formulas. - **Platforms:** iOS - **Version Reviewed:** 1.4 - **Report Date:** 2026-08-14 - **Signal Count:** 1 review analyzed - **Confidence:** Medium (0.55/1.0) - **App Store ID (iOS):** 1100129593 - **Bundle ID:** com.tss.trelleborg.Formulas - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-08-14 ## Executive Snapshot **What it is:** Mechanical Engg. Calculator is a free reference utility for mechanical engineering students and professionals, offering 250 formulas across 16 categories on iOS. **Why users hire it:** The app serves as a portable, quick-access reference for physics and engineering calculations, removing the need to consult textbooks or desktop software during study or field work. ## App DNA (Features & Intent) - **[Standard] Formula Library:** Access to approximately 250 mechanical engineering formulas across 16 categories. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Variable Input Calculation:** Automated calculation engine for selected formulas. - **[Differentiator] Individual Customization:** Ability to adjust calculator settings for personal workflow preferences. * *User Intent:* Users value self-expression and personalized experiences. ## Market Position {#market-position} Mechanical Engg. Calculator occupies a niche utility space with a 3.67-star rating across 3 total ratings. The lack of updates since 2023 signals a maintenance-mode posture that leaves the app vulnerable to more active engineering tools. ## Monetization Strategy - **Model:** Free - **Tiers:** Fully free access to all formulas and features - **Analysis:** The app operates as a free utility tool, serving as a brand-building asset for Trelleborg Sealing Solutions rather than a direct revenue generator. ## 🔴 User Sentiment (Medium Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 3.67/5 - **Platform Split:** iOS 3.7/5 (3 ratings) - **Overall Sentiment:** Upset ### Top Complaints (Impact Areas) - **The return menu fails to function, preventing users from navigating the application interface effectively** ## SWOT Analysis {#swot} **Core Strengths:** - 250-formula library provides broad reference base **Growth Levers:** - Interface modernization could restore utility ## Recent Changes (v2 → v3) {#recent-changes} The app remains in a stagnant, non-functional state with no development activity, though the analytical framing of its competitive risk has been sharpened to highlight the impact of its abandonment on user trust and market share. **Overall trend**: Declining **Compared at**: 2026-08-14 ### High-impact changes - **[Shifted] SWOT Analysis Refinement** (swot) ### Medium-impact changes - **[Shifted] Outlook Narrative Update** (positioning) - **[Added] FAQ Navigation Guidance** (sentiment) ## What's New - **Latest (v1.4, 2 years ago):** UI maintenance update focusing on device compatibility, icon alignment, and menu centering. ## App Momentum (Zombie) {#momentum} - No major updates for 35 months. - Maintenance-mode status since September 2023. > **Cadence:** 1 total versions · 0 majors in last 6 months · 1050 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Mechanical Engg. Calculator is an utilities app that is completely free. It holds a 3.67/5 rating from 3 reviews. > **Bottom Line:** Mechanical Engg. Calculator provides a useful formula reference, but the broken navigation menu renders the current version unusable for most tasks. Fixing the return menu would restore the app's utility as a brand-building asset for Trelleborg Sealing Solutions. **Best for:** Mechanical engineering students and professional engineers requiring quick access to physics and engineering formulas. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Repair the return menu navigation because it is the primary blocker for user access → restore basic utility ### Outlook: Declining The utility category is shifting toward active, frequently updated tools that support modern engineering workflows. Mechanical Engg. Calculator remains in maintenance mode, and the current navigation regression signals a decline in usability that will continue to erode the app's standing until addressed. - 🔴 The 35-month release gap indicates the app is in maintenance mode, which prevents the addition of modern engineering formulas or UI improvements. - 🔴 Navigation failures in the latest version block access to the core formula library, which directly causes user churn and negative sentiment. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.67/5 | | Total Reviews | 3 | | Sentiment | Upset (10/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Mechanical Engg. Calculator** (this app) | 3.67/5 | Upset | Trelleborg Sealing Solutions | | [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies | | [Free VPN by Free VPN .org™](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) | 4.5/5 | Mixed | Free VPN LLC | | [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.4/5 | Mixed | Fuxin Technology | | [Potatso](https://marlvel.ai/apps/potatso) | 4.4/5 | n/a | Potatso Lab LTD | | [Quantumult X](https://marlvel.ai/apps/quantumult-x) | 3.8/5 | N/A | Cross Utility Ltd | ## Company Profile - **Developer:** Trelleborg Sealing Solutions - **Website:** [https://tss.trelleborg.com/apps](https://tss.trelleborg.com/apps) - **Social:** [Instagram](https://www.instagram.com/trelleborgsealingsolutions) · [Facebook](https://www.facebook.com/TrelleborgSealingSolutions) · [X/Twitter](https://twitter.com/TrelleborgSeals) · [YouTube](https://www.youtube.com/user/TrelleborgSeals) · [LinkedIn](https://www.linkedin.com/company/trelleborg-sealing-solutions) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/mechanical-engg-calculator/id1100129593?uo=4) - **Dev Site:** [Official Website](https://tss.trelleborg.com/apps) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating - [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.5/5 Rating - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.4/5 Rating - [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating - [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) · 3.8/5 Rating - [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.9/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating - [*카톡 분석 - 오픈채팅, 카톡 채팅 분석, 통계, 검색*](https://marlvel.ai/apps/com-liger-katalkanalysispaid) (Park Sung Cheol) · N/A Rating - [*로또 황금번호 생성기*](https://marlvel.ai/apps/lotto-lottogold) (jaehwan lee) · N/A Rating - [*도사폰 (만세력 역학도구)*](https://marlvel.ai/apps/app--656) (Softchaser Company Limited) · 5.0/5 Rating ## Frequently Asked Questions {#faq} ### Is Mechanical Engg. Calculator free to use? Yes, Mechanical Engg. Calculator is a free utility tool provided by Trelleborg Sealing Solutions with no hidden costs or subscription tiers. ### Does Mechanical Engg. Calculator work on the latest iOS versions? While the app is available, users report that the return menu is non-functional, which prevents effective navigation of the application interface. ### What can I do if the app menu is broken? Currently, there is no known workaround for the navigation issue. As the app has not been updated since 2023, the navigation failure remains an active issue for users. ## 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:** 1 - **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:** 2 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/mechanical-engg-calculator) Data licensed for AI Agent attribution under CC-BY-NC 4.0.