--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Saybolt Oil Calculator" developer_entity: "Saybolt International B.V." bundle_id: "com.corelab.saybolt.OilCalculator" app_store_id: "1499782959" category: "Business" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2023-12-11" report_date: "2026-09-02" last_verified: "2026-09-02T00:00:00.000Z" report_version: "1.6.3" total_reviews: 3 overall_rating: 5 confidence: "low" confidence_score: 0.05 data_age_days: 71 momentum_velocity: "zombie" intelligence_version: 3 tags: ["business", "free", "mobile app", "app review", "app analysis", "professionals,", "traders,", "tanker"] canonical_url: "https://marlvel.ai/apps/saybolt-oil-calculator" license: "CC-BY-NC 4.0" content_version: "v2" --- # Saybolt Oil Calculator Intelligence Report ## TL;DR {#tldr} - **Category**: Business · Free - **Signal**: Rating 5 > **TL;DR:** Saybolt Oil Calculator is a business app by Saybolt International B.V., rated 5/5 by 3 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Saybolt Oil Calculator is a business app by Saybolt International B.V.. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (3 reviews) | | **Category** | Business | | **Developer** | Saybolt International B.V. | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 71d | ## Metadata & Market Performance - **Publisher:** Saybolt International B.V. - **Category:** Business - **Target Audience:** Oil professionals, traders, tanker operators, and terminal engineers. - **Platforms:** iOS - **Version Reviewed:** 1.6.3 - **Report Date:** 2026-09-02 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 1499782959 - **Bundle ID:** com.corelab.saybolt.OilCalculator - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-09-02 ## Executive Snapshot **What it is:** Saybolt Oil Calculator is a professional utility for oil movements, providing ASTM conversion tables and blending models to industry operators on iOS. **Why users hire it:** The tool removes the cognitive friction of manual reference-table lookups during high-stakes tank transfers, where calculation errors carry significant financial risk. ## App DNA (Features & Intent) - **[Differentiator] Oil Calculation Routines:** Automated calculations for tank transfers and line displacements. - **[Standard] ASTM Conversion Tables:** Integrated reference tables for standardized measurements. - **[Differentiator] Blending Algorithms:** Mathematical models for volume changes and product blending. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Saybolt Oil Calculator functions as a specialized B2B utility within the Business category, holding a 5-star rating based on a small sample of industry-specific users. The lack of updates for 995 days suggests the app is a legacy asset rather than a growth-focused product. ## Monetization Strategy - **Model:** Free - **Tiers:** Free access to all calculation tools - **Analysis:** The app operates as a free utility, serving as a brand-extension tool for Saybolt International B.V. to maintain industry presence. ## SWOT Analysis {#swot} **Core Strengths:** - Century-old brand heritage ensures trust in calculation accuracy **Growth Levers:** - Integration of live market pricing for blending models ## What's New - **Latest (v1.6.3, 2 years ago):** General maintenance and minor performance improvements. ## App Momentum (Zombie) {#momentum} - Dormant for 995 days. - Maintenance-only cadence. > **Cadence:** 1 total versions · 0 majors in last 6 months · 995 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Saybolt Oil Calculator is a business app that is completely free. It holds a 5/5 rating from 3 reviews. > **Bottom Line:** Saybolt Oil Calculator serves as a stable brand-extension asset, but the 995-day update gap risks functional decay. A basic compatibility audit would protect the brand's reputation for accuracy without requiring a full feature roadmap. **Best for:** Oil professionals, traders, tanker operators, and terminal engineers. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Audit current OS compatibility because the app has not been updated in 995 days → prevent silent functional failure ### Outlook: Stable The market for specialized surveying utilities is stable, with users prioritizing accuracy and consistency over frequent feature updates. Saybolt Oil Calculator remains advantaged by its brand heritage, but the lack of maintenance creates a long-term risk of functional obsolescence that could damage the developer's professional reputation. - ⚪ The 995-day update gap indicates the app is in maintenance mode, which is acceptable for a static reference utility. - 🔴 Continued silence increases the risk of OS-level regressions, which would eventually erode the trust the brand relies on. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 3 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Saybolt Oil Calculator** (this app) | 5/5 | N/A | Saybolt International B.V. | | [Groupon Merchant](https://marlvel.ai/apps/groupon-merchant) | 3.0/5 | n/a | Groupon, Inc. | | [긱톡 - 재택부업, 프리랜서, 단기알바 정보 플랫폼](https://marlvel.ai/apps/com-gigtalk-gigtalk) | 4.5/5 | N/A | Nextstep Inc. | | [두란노](https://marlvel.ai/apps/app--971) | N/A/5 | N/A | Duranno | | [쿠펀치](https://marlvel.ai/apps/coupang-app-coupunch) | 1.0/5 | N/A | Coupang Corp. | | [아지트 - 함께 소통하는 업무용 커뮤니티](https://marlvel.ai/apps/app--797) | 3.0/5 | N/A | Kakao Corp. | ## Company Profile - **Developer:** Saybolt International B.V. ## Data Sources & Links - **App Store ID:** 1499782959 - **Sources:** App store metadata. ## Related Intel Reports - [*Groupon Merchant*](https://marlvel.ai/apps/groupon-merchant) (Groupon, Inc.) · 3.0/5 Rating - [*긱톡 - 재택부업, 프리랜서, 단기알바 정보 플랫폼*](https://marlvel.ai/apps/com-gigtalk-gigtalk) (Nextstep Inc.) · 4.5/5 Rating - [*두란노*](https://marlvel.ai/apps/app--971) (Duranno) · N/A Rating - [*쿠펀치*](https://marlvel.ai/apps/coupang-app-coupunch) (Coupang Corp.) · 1.0/5 Rating - [*아지트 - 함께 소통하는 업무용 커뮤니티*](https://marlvel.ai/apps/app--797) (Kakao Corp.) · 3.0/5 Rating - [*シフオプ*](https://marlvel.ai/apps/shift-management-service-to-support-optimal-placem) (Recruit Co.,Ltd.) · N/A Rating - [*아임히어 - 모바일 출결 관리 앱*](https://marlvel.ai/apps/com-imhere-client-student) (LFin) · 2.9/5 Rating - [*카매니저 - 중고차 딜러전용 전국 매물공유 플랫폼*](https://marlvel.ai/apps/kr-co-autocafe-carmanager) (atonmobility appmaster) · 3.0/5 Rating - [*금호고속 셔틀*](https://marlvel.ai/apps/kr-co-kumhobuslines-shuttle-route-passengernew) (kumhoexpress) · 2.1/5 Rating - [*쿠팡이츠 배달 파트너*](https://marlvel.ai/apps/coupang-eats-delivery) (Coupang Corp.) · 2.6/5 Rating ## Frequently Asked Questions {#faq} ### Is Saybolt Oil Calculator free to use? Yes, the app is free to use and provides access to all calculation tools and ASTM tables without hidden costs or subscriptions. ### Is this app suitable for professional oil surveying? Yes, the app was created by Saybolt International B.V., a long-established surveying company, and is designed for use by oil traders, tanker operators, and terminal engineers. ### Does the app receive regular updates? No, the app has not received a store update in over two years, reflecting its status as a stable, maintenance-mode utility. ## 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:** 71 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/saybolt-oil-calculator) Data licensed for AI Agent attribution under CC-BY-NC 4.0.