--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "The Devil's Calculator: A Math" developer_entity: "Christopher Cinq-Mars Jarvis" bundle_id: "com.cinqmarsmedia.devilscalc" app_store_id: "1447599858" category: "Educational" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2024-09-23" report_date: "2026-05-20" last_verified: "2026-05-20T10:10:40.645Z" report_version: "6.0" total_reviews: 825 overall_rating: 4.47 confidence: "low" confidence_score: 0.25 data_age_days: 43 momentum_velocity: "zombie" intelligence_version: 2 tags: ["educational", "freemium", "mobile app", "app review", "app analysis", "designed", "enthusiasts", "students"] canonical_url: "https://marlvel.ai/apps/com-cinqmarsmedia-devilscalc" license: "CC-BY-NC 4.0" content_version: "v2" --- # The Devil's Calculator: A Math App Audit ## TL;DR {#tldr} - **Category**: Educational · Freemium - **Signal**: Rating 4.47 > **TL;DR:** The Devil's Calculator: A Math is a educational app by Christopher Cinq-Mars Jarvis, rated 4.47/5 by 825 users, available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** The Devil's Calculator: A Math is a educational app by Christopher Cinq-Mars Jarvis. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.47/5 (825 reviews) | | **Category** | Educational | | **Developer** | Christopher Cinq-Mars Jarvis | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Low (0.25/1.0) | | **Data Age** | 43d | ## Metadata & Market Performance - **Publisher:** Christopher Cinq-Mars Jarvis - **Category:** Educational - **Target Audience:** The app is designed for math enthusiasts and students looking to practice logic and algebraic problem-solving. - **Platforms:** iOS & Android - **Version Audited:** 6.0 - **Audit Date:** 2026-05-20 - **Signal Count:** 5 reviews analyzed - **Confidence:** Low (0.25/1.0) - **App Store ID (iOS):** 1447599858 - **Bundle ID:** com.cinqmarsmedia.devilscalc - **Google Play ID:** com.cinqmarsmedia.devilscalc - **Data Window:** Analysis based on signals collected up to 2026-05-20 - **Short Description:** An Educational Indie Math Puzzler for Lovers of Logic and Brain Teasers ## Executive Snapshot The Devil's Calculator is an educational puzzle game that challenges players to reverse-engineer obscure mathematical functions to solve equations. Developed by Christopher Cinq-Mars Jarvis, the app combines logic and algebra with advanced graphing mechanics to provide a unique, open-source learning experience. ## App DNA (Features & Intent) - **[Standard] Obscure Operator Puzzles:** Players must decipher the logic behind non-standard arithmetic operators to reach target numbers. - **[Standard] Advanced Graphing Mechanics:** The app utilizes sophisticated graphing tools to help users visualize and solve complex mathematical functions. - **[Standard] User-Generated Content:** Players can create their own custom levels and access challenges designed by other users, educators, and mathematicians. * *User Intent:* Users value self-expression and personalized experiences. - **[Standard] Open-Source Platform:** The game is maintained as a non-profit, open-source project with free access to the initial 20+ levels. * *User Intent:* Users seek enhanced value through premium features. ## Monetization Strategy - **Model:** Freemium ## App Momentum (Zombie) {#momentum} Last updated 603d ago. 5 versions tracked. > **Cadence:** 5 total versions · 0 majors in last 6 months · 603 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} The Devil's Calculator: A Math is an established educational app that is free with in-app purchases. With a 4.47/5 rating from 825 reviews, it shows polarized user reception. > **Bottom Line:** This app successfully gamifies algebraic logic through a unique interface that encourages users to think about mathematical formulas in unconventional ways. **Best for:** The app is designed for math enthusiasts and students looking to practice logic and algebraic problem-solving. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.47/5 | | Total Reviews | 825 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 4 analyzed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **The Devil's Calculator: A Math** (this app) | 4.47/5 | N/A | Christopher Cinq-Mars Jarvis | | [Baby Shark Dentist Play: Game](https://marlvel.ai/apps/kr-co-smartstudy-bbsdentistgame_android_googlemarket) | 3.5/5 | N/A | The Pinkfong Company | | [Pinkfong Tracing World : ABC](https://marlvel.ai/apps/kr-co-smartstudy-tracingworld_android_googlemarket) | 4.2/5 | N/A | The Pinkfong Company | | [Bebefinn Play Phone: Kids Game](https://marlvel.ai/apps/kr-co-smartstudy-bebefinnphone_android_googlemarket) | 3.6/5 | N/A | The Pinkfong Company | | [Bebefinn Birthday Party: Game](https://marlvel.ai/apps/kr-co-smartstudy-bebefinnparty_android_googlemarket) | 3.6/5 | N/A | The Pinkfong Company | | [Gabbys Dollhouse: Games & Cats](https://marlvel.ai/apps/gabbys-dollhouse-games-cats) | 4.3/5 | N/A | Play Piknik | ## Company Profile - **Developer:** Christopher Cinq-Mars Jarvis - **Website:** [https://www.cinqmarsmedia.com/devilscalculator](https://www.cinqmarsmedia.com/devilscalculator) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/jp/app/the-devils-calculator/id1447599858?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.cinqmarsmedia.devilscalc) - **Dev Site:** [Official Website](https://www.cinqmarsmedia.com/devilscalculator) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*Baby Shark Dentist Play: Game*](https://marlvel.ai/apps/kr-co-smartstudy-bbsdentistgame_android_googlemarket) (The Pinkfong Company) — 3.5/5 Rating | N/A Sentiment - [*Pinkfong Tracing World : ABC*](https://marlvel.ai/apps/kr-co-smartstudy-tracingworld_android_googlemarket) (The Pinkfong Company) — 4.2/5 Rating | N/A Sentiment - [*Bebefinn Play Phone: Kids Game*](https://marlvel.ai/apps/kr-co-smartstudy-bebefinnphone_android_googlemarket) (The Pinkfong Company) — 3.6/5 Rating | N/A Sentiment - [*Bebefinn Birthday Party: Game*](https://marlvel.ai/apps/kr-co-smartstudy-bebefinnparty_android_googlemarket) (The Pinkfong Company) — 3.6/5 Rating | N/A Sentiment - [*Gabbys Dollhouse: Games & Cats*](https://marlvel.ai/apps/gabbys-dollhouse-games-cats) (Play Piknik) — 4.3/5 Rating | N/A Sentiment - [*Mecha Dragon*](https://marlvel.ai/apps/mecha-dragon) (Clementoni S.p.A.) — 3.1/5 Rating | N/A Sentiment - [*Deepcover*](https://marlvel.ai/apps/deepcover) (Whitethorn Games) — 3.6/5 Rating | N/A Sentiment - [*Masha and the Bear Mini Games*](https://marlvel.ai/apps/masha-and-the-bear-mini-games) (DTC Lab) — 4.3/5 Rating | N/A Sentiment - [*Muslim Kids: Learn & Fun*](https://marlvel.ai/apps/muslim-kids-learn-fun) (Saad Abdullah / Islam World) — N/A Rating | N/A Sentiment - [*Fun Kids Planes 2*](https://marlvel.ai/apps/fun-kids-planes-2) (Raz Games) — 3.9/5 Rating | N/A 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:** 0.25/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 5 - **Data Sources:** user reviews, 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:** 43 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/com-cinqmarsmedia-devilscalc) Data licensed for AI Agent attribution under CC-BY-NC 4.0.