--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "SiamEngy petroleum calculator" developer_entity: "Siam GeoTest Ltd." bundle_id: "com.siam.geotest.siamEngy" app_store_id: "1602641707" google_play_id: "com.siam.geotest.siam_engy" category: "Reference" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-08-13" report_date: "2026-09-28" last_verified: "2026-09-28T00:00:00.000Z" report_version: "1.1.9" total_reviews: 0 sentiment: "Thrilled" sentiment_score: 90 confidence: "medium" confidence_score: 0.55 top_praise_theme: "Technical utility of the application provides significant value for users performing complex engineering calculations" review_sample_size: 4 total_review_count: 4 analyzed_review_count: 4 data_age_days: 45 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["reference", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "industry", "workers", "engineering"] canonical_url: "https://marlvel.ai/apps/siamengy-petroleum-calculator" license: "CC-BY-NC 4.0" content_version: "v2" --- # SiamEngy petroleum calculator Intelligence Report ## TL;DR {#tldr} - **Category**: Reference · Free - **Signal**: Sentiment Thrilled - **Recent focus**: Technical utility of the application provides significant value for users performing complex engineering calculations (top praise) > **TL;DR:** SiamEngy petroleum calculator is a reference app by Siam GeoTest Ltd., with Thrilled user sentiment (90/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** SiamEngy petroleum calculator is a reference app by Siam GeoTest Ltd.. ## Quick Facts | Fact | Value | | :--- | :--- | | **User Mood** | Thrilled | | **Category** | Reference | | **Developer** | Siam GeoTest Ltd. | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.55/1.0) | | **Data Age** | 45d | ## Metadata & Market Performance - **Publisher:** Siam GeoTest Ltd. - **Category:** Reference - **Target Audience:** Oil and gas industry workers and engineering students requiring field-ready calculation and reference tools. - **Platforms:** iOS & Android - **Version Reviewed:** 1.1.9 - **Report Date:** 2026-09-28 - **Signal Count:** 4 reviews analyzed - **Confidence:** Medium (0.55/1.0) - **App Store ID (iOS):** 1602641707 - **Bundle ID:** com.siam.geotest.siamEngy - **Google Play ID:** com.siam.geotest.siam_engy - **Data Window:** Analysis based on signals collected up to 2026-09-28 ## Executive Snapshot **What it is:** SiamEngy is a specialized petroleum engineering calculator and reference tool for iOS and Android, providing interactive formulas and unit conversions. **Why users hire it:** It removes the friction of manual calculation for field engineers and students by providing an offline-first, illustrated technical library. ## App DNA (Features & Intent) - **[Differentiator] Interactive Formula Calculator:** Numerical optimization algorithms calculate parameters for fifty equations across six categories. - **[Standard] Unit Converter:** Translates measurement units for common oil and gas industry parameters. - **[Standard] Reference Library:** Illustrated technical information regarding oil and gas parameters and processes. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} SiamEngy operates as a specialized utility in the Reference category, maintaining a niche focus that avoids direct consumer-facing competition. The absence of monetization signals a focus on brand authority rather than direct revenue capture. ## Monetization Strategy - **Model:** Free - **Tiers:** Fully free application with no IAP or ads - **Analysis:** The app operates as a free utility to support the developer's broader B2B software ecosystem. ## 🟢 User Sentiment (Medium Confidence: 4 of 4 reviews analyzed) {#user-sentiment} - **Overall Sentiment:** Thrilled ### Top Praises - **Technical utility of the application provides significant value for users performing complex engineering calculations** ## SWOT Analysis {#swot} **Core Strengths:** - Interactive numerical optimization algorithms for fifty industry-specific equations provide a defensible utility barrier - Ad-free, free-to-use model builds professional brand authority for Siam GeoTest **Growth Levers:** - Localized language support could capture non-English speaking engineering markets ## What's New - **Latest (v1.1.9, 2 years ago):** Expanded engineering toolset with ESP head estimation, liquid level, gas compressibility, and dry gas density calculations, plus an API gravity converter. ## App Momentum (Maintenance) {#momentum} - Expanded engineering toolset in latest release - Ships infrequent, feature-focused updates > **Cadence:** 2 total versions · 1 majors in last 6 months · 46 days since last update · 972 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} SiamEngy petroleum calculator is a reference app that is completely free. > **Bottom Line:** SiamEngy provides high-utility engineering formulas that build professional trust for Siam GeoTest, but the long intervals between updates risk the app's relevance as a daily field tool. Prioritizing a consistent update schedule would secure its position as the default reference for engineering students. **Best for:** Oil and gas industry workers and engineering students requiring field-ready calculation and reference tools. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship cloud-sync for user history because manual data entry is a friction point → increase daily utility ### Outlook: Stable The engineering utility market is consolidating around tools that offer reliable, offline-first calculation capabilities. SiamEngy is well-positioned as a trusted reference, but it must increase its update frequency to avoid being perceived as a legacy tool by students and professionals. - 🟢 The latest release added specific engineering formulas, demonstrating that the toolset remains relevant to current industry calculation needs. - 🔴 The long average interval between updates (972 days) creates a perception of maintenance-only status, which may discourage new users from adopting the tool. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Sentiment | Thrilled (90/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **SiamEngy petroleum calculator** (this app) | N/A/5 | Thrilled | Siam GeoTest Ltd. | | [올어바웃성경](https://marlvel.ai/apps/com-allabout-bibleapp) | 5.0/5 | N/A | Gilju Lee | | [Hallow: Prayer & Meditation](https://marlvel.ai/apps/hallow-prayer-meditation) | 4.7/5 | n/a | Hallow, Inc. | | [고려대 한국어 속담 사전](https://marlvel.ai/apps/app--428) | N/A/5 | N/A | DaolSoft, Co., Ltd. | | [우리말 의학사전](https://marlvel.ai/apps/app--427) | N/A/5 | N/A | DaolSoft, Co., Ltd. | | [공인중개사 용어사전](https://marlvel.ai/apps/app--429) | N/A/5 | N/A | DaolSoft, Co., Ltd. | ## Company Profile - **Developer:** Siam GeoTest Ltd. - **Website:** [https://siamgeotest.com/](https://siamgeotest.com/) ## Data Sources & Links - **App Store ID:** 1602641707 - **Google Play ID:** com.siam.geotest.siam_engy - **Dev Site:** [Official Website](https://siamgeotest.com/) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*올어바웃성경*](https://marlvel.ai/apps/com-allabout-bibleapp) (Gilju Lee) · 5.0/5 Rating - [*Hallow: Prayer & Meditation*](https://marlvel.ai/apps/hallow-prayer-meditation) (Hallow, Inc.) · 4.7/5 Rating - [*고려대 한국어 속담 사전*](https://marlvel.ai/apps/app--428) (DaolSoft, Co., Ltd.) · N/A Rating - [*우리말 의학사전*](https://marlvel.ai/apps/app--427) (DaolSoft, Co., Ltd.) · N/A Rating - [*공인중개사 용어사전*](https://marlvel.ai/apps/app--429) (DaolSoft, Co., Ltd.) · N/A Rating - [*브리태니커 콘사이스 백과사전*](https://marlvel.ai/apps/app--425) (DaolSoft, Co., Ltd.) · N/A Rating - [*100 Radio Hrvatska (HR) : Vijesti, glazba, Nogomet*](https://marlvel.ai/apps/100-radio-hrvatska-hr-vijesti-glazba-nogomet) (Thomas Gesland) · 1.0/5 Rating - [*100 US Citizenship Test Questions 2017*](https://marlvel.ai/apps/100-us-citizenship-test-questions-2017) (Andrey Fetisov) · 4.7/5 Rating - [*١٠١ پرسیار لە زانستی قورئان*](https://marlvel.ai/apps/app--952) (Abdulwahab F. Omar) · 5.0/5 Rating - [*10ten Japanese Reader*](https://marlvel.ai/apps/10ten-japanese-reader) (Birchill, Inc.) · 4.9/5 Rating ## Frequently Asked Questions {#faq} ### Is SiamEngy suitable for students? Yes, the app is designed for both oil and gas industry workers and engineering students, providing illustrated technical information and calculation tools. ### Does SiamEngy require an internet connection? The app is marketed as an offline-first tool, allowing users to perform calculations and access reference materials without needing constant connectivity. ### Are there any hidden costs or ads? SiamEngy is a fully free application with no in-app purchases or advertisements, serving as a utility for the developer's broader software suite. ### What alternatives exist for petroleum calculations? While SiamEngy provides a specific set of fifty formulas, users should look for other engineering reference apps in the Reference category that offer similar unit conversion and calculation features. ## 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:** 4 - **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:** 45 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/siamengy-petroleum-calculator) Data licensed for AI Agent attribution under CC-BY-NC 4.0.