--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Oilfield Calendar" developer_entity: "GoodStamp" bundle_id: "com.archimedesworkshop.Oilfield-Cal" app_store_id: "862869041" category: "Productivity" primary_platform: "ios" primary_monetization: "Paid" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2019-11-27" report_date: "2026-05-20" last_verified: "2026-05-20T04:54:32.364Z" report_version: "1.4" total_reviews: 1238 overall_rating: 4.62 confidence: "low" confidence_score: 0.6 data_age_days: 43 momentum_velocity: "zombie" intelligence_version: 3 nemesis: "Cozi Family Organizer" competitor_count: 7 tags: ["productivity", "paid", "mobile app", "app review", "app analysis", "oilfield", "workers", "their"] canonical_url: "https://marlvel.ai/intel-report/productivity/com-archimedesworkshop-oilfield-cal" license: "CC-BY-NC 4.0" content_version: "v2" --- # Oilfield Calendar App Audit ## TL;DR {#tldr} - **Category**: Productivity · Paid - **Signal**: Rating 4.62 > **TL;DR:** Oilfield Calendar is a productivity app by GoodStamp, rated 4.62/5 by 1.2K users, available on iOS. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Oilfield Calendar is a productivity app by GoodStamp. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.62/5 (1.2K reviews) | | **Category** | Productivity | | **Developer** | GoodStamp | | **Pricing** | Paid | | **Platforms** | iOS | | **Confidence** | Low (0.6/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** GoodStamp - **Category:** Productivity - **Target Audience:** Oilfield workers and their families requiring specialized scheduling tools for drilling, production, and facility rotations. - **Platforms:** iOS - **Version Audited:** 1.4 - **Audit Date:** 2026-05-20 - **Signal Count:** 1238 reviews analyzed - **Confidence:** Low (0.6/1.0) - **App Store ID (iOS):** 862869041 - **Bundle ID:** com.archimedesworkshop.Oilfield-Cal - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-05-20 ## Executive Snapshot **What it is:** Oilfield Calendar is a specialized scheduling app for oilfield workers and their families to manage complex work rotations on iOS. **Why users hire it:** Users hire this tool to coordinate family life around unpredictable drilling and production hitches, serving a specific planning need that standard calendars fail to address. ## App DNA (Features & Intent) - **[Differentiator] Hitch Editor:** Customizable scheduling interface for oil and natural gas work rotations * *User Intent:* Users value self-expression and personalized experiences. - **[Standard] PDF Schedule Sharing:** Export and print functionality for personal or family schedule management - **[Standard] Holiday/Event Tracking:** Visual markers for holidays and birthdays within the month view * *User Intent:* Users want visibility into their own performance and progress. - **[Differentiator] Multi-Schedule Comparison:** Create and view multiple work schedules simultaneously ## Market Position {#market-position} Oilfield Calendar holds the #14 Paid position in its US productivity category. The $1.99 price point serves as a low-barrier entry, but the lack of recent updates signals a maintenance-mode posture that risks losing ground to subscription-based organizers. ## Monetization Strategy - **Model:** Paid - **Tiers:** Single purchase at $1.99 - **Price:** iOS: $1.99 - **Analysis:** Paid model at $1.99 USD provides full access to scheduling tools without recurring subscription overhead. ## SWOT Analysis {#swot} **Core Strengths:** - Specialized hitch-editor interface anchors daily retention - PDF-sharing mechanism creates organic referral loops **Critical Frictions:** - Single-purchase model limits recurring revenue - Lack of cloud-save functionality creates data-loss risk - No multi-device synchronization **Growth Levers:** - B2B partnerships with oilfield vendors - Wearable integration for field workers **Market Threats:** - Google Calendar's native event-sharing parity - Cozi's multi-user synchronization architecture - AI-driven productivity tools automating reporting ## Recent Changes (v2 → v3) {#recent-changes} The intelligence report has been updated to reflect the app's long-term inactivity and the resulting competitive risks, moving from a feature-focused view to a maintenance-mode risk assessment. **Overall trend**: Declining **Compared at**: 2026-05-20 ### High-impact changes - **[Added] Formalized Risk Assessment** (swot) — Added specific weaknesses regarding lack of cloud-save functionality and multi-device synchronization, which were previously absent. - **[Shifted] Maintenance-Mode Classification** (positioning) — The executive summary shifted from a neutral product overview to a critical analysis of the app's 'zombie' status and inability to compete with modern, subscription-based organizers. ### Medium-impact changes - **[Added] Competitive Threats** (swot) — Identified specific threats from Google Calendar and Cozi regarding event-sharing and synchronization parity. ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Oilfield Calendar vs Cozi Family Organizer — Head to Head - **[Cozi Family Organizer](https://marlvel.ai/intel-report/productivity/com-cozi-icozi-free)** by Cozi: Directly targets the 'oilfield family' scheduling dynamic by providing shared, multi-user calendar synchronization. - **Moat strength:** High — sustainable advantage over 12 months - **Key differences:** - Provides a shared family calendar architecture that synchronizes schedules across multiple household devices simultaneously. - Includes integrated shopping lists and chore tracking to serve the broader household management use case. ### Contenders (Strong Challengers) - **[Structured: Daily Planner Todo](https://marlvel.ai/intel-report/productivity/com-leomehlig-today)** by unorderly GmbH [Moat: Medium]: Offers a visual, timeline-based scheduling interface that directly competes with the 'easy-to-use' planning value proposition. - Utilizes a visual timeline interface that maps tasks to specific hours, simplifying complex shift-based scheduling. - Integrates native calendar events with task management to provide a single source of truth for daily planning. ### Peers (What They Do Better) - **[Google Calendar: Get Organized](https://marlvel.ai/intel-report/productivity/com-google-calendar)** by Google: The industry standard for calendar utility, representing the baseline functionality users expect from any scheduling tool. - Offers seamless cross-platform synchronization with the entire Google Workspace ecosystem for enterprise-grade reliability. - Provides robust event-sharing capabilities that allow users to manage complex, multi-person scheduling conflicts effortlessly. - **[CalenGoo - Calendar and Tasks](https://marlvel.ai/intel-report/productivity/com-calengoo-android)** by Gunia UG (haftungsbeschränkt): A power-user alternative that focuses on deep customization of calendar views and task management workflows. - Features highly granular view settings that allow users to toggle between complex shift-based calendar displays. - Supports advanced offline functionality, ensuring critical schedule access even in remote, low-connectivity work environments. - **[Notion: Notes, Tasks, AI](https://marlvel.ai/intel-report/productivity/notion-id)** by Notion Labs, Incorporated: An adjacent productivity tool that allows users to build custom databases for tracking complex work rotations. - Enables the creation of custom relational databases to track specific oilfield hitch rotations and project documentation. - Provides a flexible workspace that combines long-form documentation with structured calendar and task management views. ### New Kids on the Block (What's Innovative) - **[WeTransfer: Transfer Files](https://marlvel.ai/intel-report/productivity/com-wetransfer-transfer)** by Wetransfer B.V.: High release velocity indicates a focus on rapid feature iteration within the productivity space. - **[Grammarly: AI Keyboard & Notes](https://marlvel.ai/intel-report/productivity/com-grammarly-keyboard)** by Grammarly, Inc: Represents the shift toward AI-assisted productivity, which could eventually automate scheduling or communication tasks. ## What's New - **Latest (v1.4, 6 years ago):** Optimized functional interactions for iOS 13 compatibility. ## App Momentum (Zombie) {#momentum} - Ships functional adjustments for iOS 13. - Maintains stable #14 category rank. > **Cadence:** 1 total versions · 0 majors in last 6 months · 2365 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Oilfield Calendar is an established productivity app that is a paid app. With a 4.62/5 rating from 1.2K reviews, it shows polarized user reception. > **Bottom Line:** Oilfield Calendar holds its category lead through specialized hitch-scheduling mechanics but bleeds users to multi-device organizers, so revenue growth hinges on implementing cloud-sync to defend against broader family-planning apps. **Best for:** Oilfield workers and their families requiring specialized scheduling tools for drilling, production, and facility rotations. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] [HIGH IMPACT] Ship cloud-save functionality because it is the top-requested feature → unlock data-loss frustration — *Lack of cloud-save is a primary risk for users managing critical work schedules.* _(trade-off: deprioritize Push the wearable companion app sprint to Q3.)_ - [ ] [PIVOT] [MEDIUM IMPACT] Audit current hitch-editor for multi-device sync because competitors offer shared calendars → increase retention — *Competitors like Cozi offer shared family calendars, siphoning the core coordination use case.* _(trade-off: deprioritize Pause the PDF-sharing UI refresh.)_ ### Feature Gaps vs Competitors - Multi-device synchronization (available in Cozi but missing here) - Cloud-based data backup (available in Google Calendar but missing here) ### Outlook: Stable The productivity market is consolidating around multi-device, cloud-native organizers that offer seamless synchronization. Oilfield Calendar remains stable in its niche, but its maintenance-mode posture leaves it exposed to competitors that offer better data portability, so the PM must prioritize cloud-sync to prevent user migration. - ⚪ Recent updates focused on stability and iOS 13 compatibility, indicating the app is in maintenance mode rather than active expansion. - 🔴 The absence of cloud-sync functionality forces users to manually manage data, which increases churn risk as professional users migrate to cloud-native alternatives. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.62/5 | | Total Reviews | 1.2K | | Confidence | Low | | Pricing Model | Paid | | Platforms | iOS | | Key Features | 4 analyzed | | Trend | Declining | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Oilfield Calendar** (this app) | 4.62/5 | N/A | GoodStamp | | [WeTransfer: Transfer Files](https://marlvel.ai/intel-report/productivity/com-wetransfer-transfer) | 4.8/5 | N/A | Wetransfer B.V. | | [Cozi Family Organizer](https://marlvel.ai/intel-report/productivity/com-cozi-icozi-free) | 4.8/5 | Mixed | Cozi | | [Structured: Daily Planner Todo](https://marlvel.ai/intel-report/productivity/com-leomehlig-today) | 4.8/5 | N/A | unorderly GmbH | | [Notion: Notes, Tasks, AI](https://marlvel.ai/intel-report/productivity/notion-id) | 4.8/5 | Frustrated | Notion Labs, Incorporated | | [Grammarly: AI Keyboard & Notes](https://marlvel.ai/intel-report/productivity/com-grammarly-keyboard) | 4.7/5 | N/A | Grammarly, Inc | ## Company Profile - **Developer:** GoodStamp - **Website:** [https://www.archimedesworkshop.co/oc](https://www.archimedesworkshop.co/oc) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/oilfield-calendar/id862869041?uo=2) - **Dev Site:** [Official Website](https://www.archimedesworkshop.co/oc) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*WeTransfer: Transfer Files*](https://marlvel.ai/intel-report/productivity/com-wetransfer-transfer) (Wetransfer B.V.) — 4.8/5 Rating | N/A Sentiment - [*Cozi Family Organizer*](https://marlvel.ai/intel-report/productivity/com-cozi-icozi-free) (Cozi) — 4.8/5 Rating | Mixed Sentiment - [*Structured: Daily Planner Todo*](https://marlvel.ai/intel-report/productivity/com-leomehlig-today) (unorderly GmbH) — 4.8/5 Rating | N/A Sentiment - [*Notion: Notes, Tasks, AI*](https://marlvel.ai/intel-report/productivity/notion-id) (Notion Labs, Incorporated) — 4.8/5 Rating | Negative Sentiment - [*Grammarly: AI Keyboard & Notes*](https://marlvel.ai/intel-report/productivity/com-grammarly-keyboard) (Grammarly, Inc) — 4.7/5 Rating | N/A Sentiment - [*Google Calendar: Get Organized*](https://marlvel.ai/intel-report/productivity/com-google-calendar) (Google) — 4.7/5 Rating | Mixed Sentiment - [*CalenGoo - Calendar and Tasks*](https://marlvel.ai/intel-report/productivity/com-calengoo-android) (Gunia UG (haftungsbeschränkt)) — 4.9/5 Rating | Mixed Sentiment - [*Mitsu: AI Life Coach*](https://marlvel.ai/intel-report/productivity/mitsu-ai-life-coach) (C2 Insights) — N/A Rating | N/A Sentiment - [*ChatGPT*](https://marlvel.ai/intel-report/productivity/chatgpt) (OpenAI OpCo, LLC) — 4.8/5 Rating | Mixed Sentiment - [*Pattrn - Discipline Tracker*](https://marlvel.ai/intel-report/productivity/pattrn-discipline-tracker) (Pedro Schott) — 4.8/5 Rating | Positive Sentiment ## 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 and evidence quoting. 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:** 0.6/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1.2K - **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:** 0 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/productivity/com-archimedesworkshop-oilfield-cal) Data licensed for AI Agent attribution under CC-BY-NC 4.0.