--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "TallyBook - Oil & Gas" developer_entity: "DEVXA LTD" bundle_id: "uk.co.devxa.tallybook" app_store_id: "1176319328" category: "Business" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-07-07" report_date: "2026-10-08" last_verified: "2026-10-08T00:00:00.000Z" report_version: "1.7" total_reviews: 6 overall_rating: 4 confidence: "low" confidence_score: 0.2 data_age_days: 35 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["business", "free", "mobile app", "app review", "app analysis", "industry", "personnel", "drilling"] canonical_url: "https://marlvel.ai/apps/tallybook-oil-gas" license: "CC-BY-NC 4.0" content_version: "v2" --- # TallyBook - Oil & Gas Intelligence Report ## TL;DR {#tldr} - **Category**: Business · Free - **Signal**: Rating 4 > **TL;DR:** TallyBook - Oil & Gas is a business app by DEVXA LTD, rated 4/5 by 6 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** TallyBook - Oil & Gas is a business app by DEVXA LTD. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4/5 (6 reviews) | | **Category** | Business | | **Developer** | DEVXA LTD | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 35d | ## Metadata & Market Performance - **Publisher:** DEVXA LTD - **Category:** Business - **Target Audience:** Oil and gas industry personnel and drilling operations staff requiring mobile access to drilling data and performance metrics. - **Platforms:** iOS - **Version Reviewed:** 1.7 - **Report Date:** 2026-10-08 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 1176319328 - **Bundle ID:** uk.co.devxa.tallybook - **Data Window:** Analysis based on signals collected up to 2026-10-08 ## Executive Snapshot **What it is:** TallyBook is a mobile drilling data visualization tool for oil and gas personnel, structured around interactive logs and performance benchmarking. **Why users hire it:** Drilling contractors use TallyBook to identify non-productive time in pipe connection operations, removing the friction of manual data analysis in the field. ## App DNA (Features & Intent) - **[Standard] Drilling Data Visualization:** Charts and line graphs render drilling data for analysis with configurable scales and colors. - **[Differentiator] Automated Operations Identification:** System detects and categorizes drilling operations from time-based data logs. - **[Differentiator] Non-Productive Time Benchmarking:** Comparison tool highlights pipe connection delays to identify operational inefficiencies. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} TallyBook occupies a niche in the Business category, maintaining a 4-star rating across 6 total ratings. The lack of recent feature updates (93 days since the latest release) signals a transition phase rather than active market expansion. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is currently listed as free with no visible in-app purchase or subscription tiers. ## SWOT Analysis {#swot} **Core Strengths:** - Automated operations identification functions as a B2B efficiency tool - Non-productive time benchmarking provides a direct business case **Growth Levers:** - AI-powered transition offers a path to differentiate from standard tools ## What's New - **Latest (v1.7, 3 months ago):** Update prepares the infrastructure for a transition to an AI-powered version of the application. ## App Momentum (Maintenance) {#momentum} - Prepared infrastructure for AI-powered transition. - Maintained maintenance-mode release cadence. > **Cadence:** 1 total versions · 1 majors in last 6 months · 92 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} TallyBook - Oil & Gas is a business app that is completely free. It holds a 4/5 rating from 6 reviews. > **Bottom Line:** TallyBook's focus on non-productive time benchmarking provides a clear value proposition, but the current maintenance-mode cadence threatens its market relevance. A successful pivot to the planned AI-powered version is required to justify continued investment and prevent user churn. **Best for:** Oil and gas industry personnel and drilling operations staff requiring mobile access to drilling data and performance metrics. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship the AI-powered version because the current maintenance mode risks market relevance → unlock new performance insights ### Outlook: Mixed The market for drilling data visualization is shifting toward automated, AI-driven insights that reduce manual analysis time. TallyBook is currently exposed due to its maintenance-mode cadence, but the planned AI transition positions it to potentially reclaim its competitive advantage if executed before rivals fill the gap. - 🔴 The 93-day update gap indicates stalled development, which erodes user trust and risks obsolescence in the competitive oil and gas software market. - 🟢 The transition to an AI-powered platform provides a clear path to differentiate from standard visualization tools and capture higher-value enterprise users. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4/5 | | Total Reviews | 6 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Mixed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **TallyBook - Oil & Gas** (this app) | 4/5 | N/A | DEVXA LTD | | [Cisco Secure Client](https://marlvel.ai/apps/cisco-secure-client) | 3.8/5 | n/a | Cisco | | [Forane® Refrigerants Tool Belt](https://marlvel.ai/apps/forane-refrigerants-tool-belt) | 3.9/5 | Mixed | Arkema Inc. | | [My Mobile Beauty](https://marlvel.ai/apps/my-mobile-beauty) | N/A/5 | n/a | My Mobile Beauty | | [SpraySelect](https://marlvel.ai/apps/sprayselect) | 4.1/5 | n/a | TeeJet Technologies | | [긱톡 - 재택부업, 프리랜서, 단기알바 정보 플랫폼](https://marlvel.ai/apps/com-gigtalk-gigtalk) | 4.5/5 | N/A | Nextstep Inc. | ## Company Profile - **Developer:** DEVXA LTD - **Website:** [https://devxa.co.uk](https://devxa.co.uk) ## Data Sources & Links - **App Store ID:** 1176319328 - **Dev Site:** [Official Website](https://devxa.co.uk) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*Cisco Secure Client*](https://marlvel.ai/apps/cisco-secure-client) (Cisco) · 3.8/5 Rating - [*Forane® Refrigerants Tool Belt*](https://marlvel.ai/apps/forane-refrigerants-tool-belt) (Arkema Inc.) · 3.9/5 Rating - [*My Mobile Beauty*](https://marlvel.ai/apps/my-mobile-beauty) (My Mobile Beauty) · N/A Rating - [*SpraySelect*](https://marlvel.ai/apps/sprayselect) (TeeJet Technologies) · 4.1/5 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 ## Frequently Asked Questions {#faq} ### Is TallyBook suitable for field drilling operations? Yes, TallyBook is designed for oil and gas personnel to visualize drilling data on mobile devices, specifically to benchmark pipe connection operations and identify non-productive time. ### Does TallyBook charge a subscription fee? TallyBook is currently listed as a free app with no visible in-app purchases or subscription tiers. ### Is TallyBook actively receiving updates? The app is currently in a maintenance phase, with the latest update released 93 days ago to prepare for a transition to an AI-powered version. ## 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:** 0.2/1.0 (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:** 35 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/tallybook-oil-gas) Data licensed for AI Agent attribution under CC-BY-NC 4.0.