--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Modulus Calculator" developer_entity: "Theodore Dubois" bundle_id: "com.tbodt.Mod-Calculator" app_store_id: "1432356578" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2018-08-26" report_date: "2026-04-08" report_version: "1.0" total_reviews: 8 overall_rating: 4.75 sentiment: "Thrilled" sentiment_score: 95 confidence: "low" confidence_score: 0.3 data_age_days: 0 intelligence_version: 2 tags: ["utilities", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "students,", "mathematicians,", "computer"] canonical_url: "https://marlvel.ai/intel-report/utilities/modulus-calculator" license: "CC-BY-NC 4.0" --- # Modulus Calculator App Audit > **TL;DR:** Modulus Calculator is a utilities app by Theodore Dubois, rated 4.75/5 by 8 users, with Thrilled user sentiment (95/100), available on iOS. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Modulus Calculator maintains Thrilled user sentiment (4.75/5 from 8 reviews), with users consistently praising utility. ## Metadata & Market Performance - **Publisher:** Theodore Dubois - **Category:** Utilities - **Target Audience:** Students, mathematicians, and computer science professionals who need to perform modular arithmetic calculations quickly. - **Platforms:** iOS - **Version Audited:** 1.0 - **Audit Date:** 2026-04-08 - **Signal Count:** 3 reviews analyzed - **Confidence:** Low (0.3/1.0) - **App Store ID (iOS):** 1432356578 - **Bundle ID:** com.tbodt.Mod-Calculator - **Data Window:** Analysis based on signals collected up to 2026-04-08 ## Strategic Synopsis Modulus Calculator is a specialized utility app that performs modular arithmetic (congruence) within a familiar, standard calculator interface. It targets students and professionals in mathematics and computer science who need a quick way to calculate modular powers and inverses. Its primary differentiator is the seamless integration of advanced modular operations into a UI that mimics the native iOS calculator, making specialized math accessible. ## Feature Profile & User Intent - **[Differentiator] Modular Arithmetic Calculator:** Performs standard arithmetic operations within a specified modulus. - **[Differentiator] Modular Power and Inverse Support:** Calculates powers and modular inverses, with division handled via multiplication by the inverse. - **[Standard] Familiar Interface:** Designed to look and feel like a standard calculator for ease of use. - **[Differentiator] Dynamic Modulus Switching:** Allows users to quickly change the modulus via a dedicated indicator. ## Monetization Strategy - **Model:** Free - **Tiers:** Completely free to use - **Analysis:** The app is offered as a free utility with no visible monetization, likely serving as a niche tool for students or developers. ## 🟢 User Sentiment (Low Confidence: 8 reviews) - **Overall Rating:** 4.75/5 - **Platform Split:** iOS 4.8/5 (8 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **Utility** | *Evidence:* "High overall rating suggests the app performs its specific function reliably." ## SWOT Analysis **Strengths:** - High user rating (4.75 stars) - Intuitive UI based on standard calculator designs - Specialized support for modular inverses and powers - Lightweight and focused utility **Weaknesses:** - No updates since 2018 - iOS exclusive - No marketing or social media presence - Small user base/low review volume **Opportunities:** - Develop an Android version - Add calculation history and export features - Implement iPad optimization - Introduce educational content for modular arithmetic **Threats:** - App may become incompatible with future iOS versions - Scientific calculator apps adding modular UI modes - Newer competitors with 'Scan to Solve' functionality ## Pros & Cons **Pros:** - Utility ## Bottom Line Modulus Calculator is a well-received utilities app that is completely free. With a 4.75/5 rating from 8 reviews, it consistently earns user praise. **Best for:** Students, mathematicians, and computer science professionals who need to perform modular arithmetic calculations quickly. ## Frequently Asked Questions **Q: Is Modulus Calculator free?** A: Yes, Modulus Calculator is completely free to download and use. **Q: What do users think of Modulus Calculator?** A: User sentiment is excellent with a 4.75/5 average. Users praise: Utility. **Q: What are Modulus Calculator's main features?** A: Key features include Modular Arithmetic Calculator, Modular Power and Inverse Support, Familiar Interface, Dynamic Modulus Switching. **Q: Who is Modulus Calculator for?** A: Students, mathematicians, and computer science professionals who need to perform modular arithmetic calculations quickly. **Q: Is Modulus Calculator available on iOS and Android?** A: Modulus Calculator is available on iOS. **Q: Is Modulus Calculator worth it in 2026?** A: Modulus Calculator is a well-received utilities app that is completely free. With a 4.75/5 rating from 8 reviews, it consistently earns user praise. Best for: Students, mathematicians, and computer science professionals who need to perform modular arithmetic calculations quickly.. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.75/5 | | Total Reviews | 8 | | Sentiment | Thrilled (95/100) | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 4 analyzed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Modulus Calculator** (this app) | 4.75/5 | Thrilled | Theodore Dubois | | [V2Box - V2ray Client](https://marlvel.ai/intel-report/utilities/v2box-v2ray-client) | 4.5/5 | Mixed | techlaim | | [Potatso](https://marlvel.ai/intel-report/utilities/potatso) | 4.4/5 | Frustrated | Potatso Lab LTD | | [Free VPN by Free VPN .org™](https://marlvel.ai/intel-report/utilities/free-vpn-by-free-vpn-org) | 4.3/5 | Mixed | Free VPN LLC | | [Quantumult X](https://marlvel.ai/intel-report/utilities/quantumult-x) | 3.9/5 | Frustrated | Cross Utility Ltd | | [QQ通讯录-最快最智能的通讯录](https://marlvel.ai/intel-report/utilities/qq-1) | 2.0/5 | Upset | Tencent Mobile International Limited | ## Company Profile - **Developer:** Theodore Dubois ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/modulus-calculator/id1432356578?uo=4) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*V2Box - V2ray Client*](https://marlvel.ai/intel-report/utilities/v2box-v2ray-client) (techlaim) — 4.5/5 Rating | Mixed Sentiment - [*Potatso*](https://marlvel.ai/intel-report/utilities/potatso) (Potatso Lab LTD) — 4.4/5 Rating | Negative Sentiment - [*Free VPN by Free VPN .org™*](https://marlvel.ai/intel-report/utilities/free-vpn-by-free-vpn-org) (Free VPN LLC) — 4.3/5 Rating | Mixed Sentiment - [*Quantumult X*](https://marlvel.ai/intel-report/utilities/quantumult-x) (Cross Utility Ltd) — 3.9/5 Rating | Negative Sentiment - [*QQ通讯录-最快最智能的通讯录*](https://marlvel.ai/intel-report/utilities/qq-1) (Tencent Mobile International Limited) — 2.0/5 Rating | Terrible Sentiment - [*Upfun*](https://marlvel.ai/intel-report/utilities/com-mengdong-cookiecam) (香港萌动科技集團有限公司) — N/A Rating | N/A Sentiment - [*Google Assistant*](https://marlvel.ai/intel-report/utilities/google-assistant) (Google) — 4.3/5 Rating | Positive Sentiment - [*VPN - fast, secure, no limits*](https://marlvel.ai/intel-report/utilities/com-stolitomson-vpn) (com.stolitomson.vpn) — 4.2/5 Rating | Negative Sentiment - [*SmartHomeQR*](https://marlvel.ai/intel-report/utilities/smarthomeqr) (Vishut Dhar) — 5.0/5 Rating | N/A Sentiment - [*AmiiBot*](https://marlvel.ai/intel-report/utilities/plus-1sec-amiibot) (Rui Zhou) — N/A Rating | N/A Sentiment ## Methodology This report was generated by Marlvel.ai's 3-stage AI intelligence pipeline: 1. **Feature & Positioning Extraction** — Analyzes app metadata, developer website content, and version history to identify key features, target audience, and competitive positioning. 2. **Sentiment Analysis** — Processes user reviews (minimum 5 reviews required) to extract praise themes, complaint themes, and overall sentiment with evidence quotes. 3. **Intelligence Synthesis** — Combines stages 1 & 2 with App Store rankings to produce SWOT analysis, executive summary, and actionable insights. - **Confidence Score:** 0.3/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 3 - **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:** 0 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/utilities/modulus-calculator) Data licensed for AI Agent attribution under CC-BY-NC 4.0.