--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Gas Blender" developer_entity: "Millennium Ltd" bundle_id: "com.good4it.gasblender" app_store_id: "1555767097" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-07-21" report_date: "2026-07-28" last_verified: "2026-07-28T00:00:00.000Z" report_version: "1.9.1" total_reviews: 5 overall_rating: 4 confidence: "low" confidence_score: 0.3 data_age_days: 21 momentum_velocity: "maintenance" intelligence_version: 3 nemesis: "Garmin Dive™" competitor_count: 3 tags: ["utilities", "free", "mobile app", "app review", "app analysis", "technical", "scuba", "divers"] canonical_url: "https://marlvel.ai/apps/gas-blender" license: "CC-BY-NC 4.0" content_version: "v2" --- # Gas Blender Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Free - **Signal**: Rating 4 > **TL;DR:** Gas Blender is a utilities app by Millennium Ltd, rated 4/5 by 5 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Gas Blender is a utilities app by Millennium Ltd. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4/5 (5 reviews) | | **Category** | Utilities | | **Developer** | Millennium Ltd | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.3/1.0) | | **Data Age** | 21d | ## Metadata & Market Performance - **Publisher:** Millennium Ltd - **Category:** Utilities - **Target Audience:** Technical scuba divers and students of PADI or TDI technical diving courses. - **Platforms:** iOS - **Version Reviewed:** 1.9.1 - **Report Date:** 2026-07-28 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.3/1.0) - **App Store ID (iOS):** 1555767097 - **Bundle ID:** com.good4it.gasblender - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-07-28 ## Executive Snapshot **What it is:** Gas Blender is a technical utility for scuba divers to calculate Nitrox and Trimix gas mixes on iOS. **Why users hire it:** Users hire Gas Blender to ensure precise gas blends for technical dives where safety margins depend on accurate narcosis and gas density planning. ## App DNA (Features & Intent) - **[Differentiator] Gas Calculation Formulas:** Supports Ideal Gas and Van der Waals formulas for professional-grade accuracy. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] MOD Planning:** Calculates Maximum Operating Depth based on narcosis and gas density. - **[Standard] Mix History:** Saves planned blends to reduce re-entry friction. ## Market Position {#market-position} Gas Blender operates as a specialized utility with a 4.0-star rating across a small sample of 5 reviews. Its focus on manual technical calculations creates a distinct, albeit narrow, position compared to broader logbook apps. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is provided free of charge, serving as a utility tool for students and clients of the developer's technical diving training business. ## SWOT Analysis {#swot} **Core Strengths:** - Van der Waals formula support enables high-precision technical gas blending - Specialized interface reduces complexity for technical diving calculations **Growth Levers:** - Direct integration with popular digital logbooks could improve utility - Partnerships with technical diving training agencies could drive new user acquisition ## Recent Changes (v2 → v3) {#recent-changes} The app's core functionality remains unchanged, but the competitive strategy has shifted toward logbook integration to mitigate the friction of manual data entry. **Overall trend**: Stable **Compared at**: 2026-07-28 ### High-impact changes - **[Shifted] Strategic PM Focus** (positioning) ### Medium-impact changes - **[Shifted] SWOT Reorganization** (swot) - **[Added] Competitive Landscape Update** (positioning) ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Gas Blender vs Garmin Dive™ - **[Garmin Dive™](https://marlvel.ai/apps/garmin-dive)** by Garmin: Garmin Dive™ dominates the niche through deep integration with proprietary hardware, creating a massive barrier to entry for software-only competitors. - **Key differences:** - Synchronizes directly with Garmin dive computers to automate logbook entries and gas tracking data - Provides comprehensive global dive site maps and community-driven location data within the interface - Offers integrated physiological tracking metrics that correlate dive performance with overall user health data ### Contenders (Strong Challengers) - **[Subsurface-mobile](https://marlvel.ai/apps/subsurface-mobile)** by Dirk Hohndel: This is a robust, open-source alternative that provides cross-platform dive logging and planning capabilities. - Supports multi-platform synchronization across desktop and mobile environments for comprehensive dive management - Utilizes an open-source framework that allows for community-driven feature expansion and hardware compatibility ### Peers (What They Do Better) - **[Dive Log](https://marlvel.ai/apps/com-somemore-divelog)** by Greg Mclaughlin: A long-standing utility in the sports category that focuses on manual logbook management. - Prioritizes manual entry workflows for divers who prefer granular control over their logbook data - Maintains a simplified feature set that avoids the complexity of advanced gas blending calculations ## What's New - **Latest (v1.9.1, 6 days ago):** Introduced an additional blending formula to the application. ## App Momentum (Maintenance) {#momentum} - Shipped latest release with new formula. - Maintains maintenance-mode release cadence. > **Cadence:** 1 total versions · 1 majors in last 6 months · 6 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Gas Blender is an utilities app that is completely free. It holds a 4/5 rating from 5 reviews. > **Bottom Line:** Gas Blender provides high-precision technical utility, but its manual-entry model is increasingly obsolete against automated hardware-integrated rivals. The PM should prioritize automated data export to logbooks to maintain relevance for technical divers. **Best for:** Technical scuba divers and students of PADI or TDI technical diving courses. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Ship automated export functionality to common logbook formats because manual entry is the primary user friction point → reduce churn to integrated rivals. ### Feature Gaps vs Competitors - Automated logbook synchronization (available in Garmin Dive but absent here) ### Outlook: Stable Users report: The market for technical diving utilities is consolidating around hardware-integrated ecosystems that automate data capture. Gas Blender remains stable as a niche manual tool, but its lack of automation limits its growth potential as users increasingly prioritize convenience over manual calculation. - ⚪ The latest release introduced a new blending formula, confirming the app remains in a maintenance-mode development cycle rather than active expansion. - 🔴 Hardware-integrated rivals continue to automate gas tracking, which accelerates the obsolescence of manual-entry utilities for the broader technical diving market. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4/5 | | Total Reviews | 5 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Gas Blender** (this app) | 4/5 | N/A | Millennium Ltd | | [Dive Log](https://marlvel.ai/apps/com-somemore-divelog) | 4.7/5 | N/A | Greg Mclaughlin | | [Garmin Dive™](https://marlvel.ai/apps/garmin-dive) | 4.8/5 | N/A | Garmin | | [Subsurface-mobile](https://marlvel.ai/apps/subsurface-mobile) | 4.5/5 | N/A | Dirk Hohndel | | [Free VPN by Free VPN .org™](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) | 4.5/5 | Mixed | Free VPN LLC | | [Potatso](https://marlvel.ai/apps/potatso) | 4.4/5 | n/a | Potatso Lab LTD | ## Company Profile - **Developer:** Millennium Ltd - **Website:** [https://tec-diver.eu](https://tec-diver.eu) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/gas-blender/id1555767097?uo=4) - **Dev Site:** [Official Website](https://tec-diver.eu) - **Sources:** Developer website content, About us / company information, App store metadata. ## Related Intel Reports - [*Dive Log*](https://marlvel.ai/apps/com-somemore-divelog) (Greg Mclaughlin) · 4.7/5 Rating - [*Garmin Dive™*](https://marlvel.ai/apps/garmin-dive) (Garmin) · 4.8/5 Rating - [*Subsurface-mobile*](https://marlvel.ai/apps/subsurface-mobile) (Dirk Hohndel) · 4.5/5 Rating - [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.5/5 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 - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.5/5 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 Gas Blender suitable for recreational divers? Gas Blender is designed specifically for technical scuba divers who need to calculate Nitrox and Trimix blends. Recreational divers typically do not require these advanced gas calculations. ### How does Gas Blender compare to Garmin Dive? Gas Blender is a specialized manual utility for gas calculations, whereas Garmin Dive is a comprehensive ecosystem that automates data logging and tracking through proprietary hardware integration. ### Does Gas Blender require an internet connection? The app is designed as a utility tool and performs calculations locally, but users should note that it lacks the cloud synchronization features found in some competing dive log apps. ### What are some alternatives to Gas Blender? Divers looking for broader functionality should consider Subsurface-mobile, which offers cross-platform synchronization and open-source community support for dive logging. ## 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:** 0.3/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 21 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/gas-blender) Data licensed for AI Agent attribution under CC-BY-NC 4.0.