--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "The Logic Calculator" developer_entity: "Ioannis Votsis" bundle_id: "org.votsis.logic" app_store_id: "1484264087" google_play_id: "com.ioannisvotsis.thelogiccalculator" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2023-02-02" report_date: "2026-09-27" last_verified: "2026-09-27T00:00:00.000Z" report_version: "1.2" total_reviews: 67 overall_rating: 2.8 sentiment: "Thrilled" sentiment_score: 85 confidence: "low" confidence_score: 0.35 top_praise_theme: "The logic calculator provides accurate results for propositional statements which simplifies complex academic work" top_complaint_theme: "The calculator lacks specific symbols required for more advanced propositional logic input operations" review_sample_size: 14 total_review_count: 14 analyzed_review_count: 14 data_age_days: 34 momentum_velocity: "zombie" intelligence_version: 2 tags: ["utilities", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "students", "learners", "propositional"] canonical_url: "https://marlvel.ai/apps/the-logic-calculator" license: "CC-BY-NC 4.0" content_version: "v2" --- # The Logic Calculator Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Free - **Signal**: Rating 2.78 · Sentiment Thrilled - **Recent focus**: The calculator lacks specific symbols required for more advanced propositional logic input operations (top complaint) · The logic calculator provides accurate results for propositional statements which simplifies complex academic work (top praise) > **TL;DR:** The Logic Calculator is a utilities app by Ioannis Votsis, rated 2.78/5 by 67 users, with Thrilled user sentiment (85/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** The Logic Calculator maintains Thrilled user sentiment (2.78/5 from 67 reviews), with users consistently praising the logic calculator provides accurate results for propositional statements which simplifies complex academic work. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 2.78/5 (67 reviews) | | **User Mood** | Thrilled | | **Category** | Utilities | | **Developer** | Ioannis Votsis | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | Low (0.35/1.0) | | **Data Age** | 34d | ## Metadata & Market Performance - **Publisher:** Ioannis Votsis - **Category:** Utilities - **Target Audience:** Students and learners of propositional logic seeking a tool to verify logical operations and generate truth tables. - **Platforms:** iOS & Android - **Version Reviewed:** 1.1 - **Report Date:** 2026-09-27 - **Signal Count:** 14 reviews analyzed - **Confidence:** Low (0.35/1.0) - **App Store ID (iOS):** 1484264087 - **Bundle ID:** org.votsis.logic - **Google Play ID:** com.ioannisvotsis.thelogiccalculator - **Data Window:** Analysis based on signals collected up to 2026-09-27 ## Executive Snapshot **What it is:** The Logic Calculator is a free educational utility for propositional logic verification and truth table generation on iOS and Android. **Why users hire it:** It removes the cognitive friction of manual truth-table construction, allowing students to verify arguments and logical consistency with immediate error feedback. ## App DNA (Features & Intent) - **[Standard] Propositional Logic Analysis:** Determines if input is well-formed, tautological, contradictory, or contingent. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] Argument Validity Testing:** Evaluates sets of sentences for consistency and arguments for validity. - **[Standard] Truth Table Generation:** Produces truth tables for propositional logic expressions with copy-to-clipboard functionality. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] Educational Feedback:** Provides specific error messaging for malformed input to assist learners. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} The Logic Calculator holds a 4.5-star rating on iOS across a small sample of reviews, reflecting its niche utility for logic students. The absence of updates since early 2023 signals a maintenance-mode posture that limits its ability to capture new users in the evolving educational utility space. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The Logic Calculator is distributed as a free utility with no observed in-app purchases or subscription tiers. ## 🟢 User Sentiment (Low Confidence: 14 of 14 reviews analyzed) {#user-sentiment} - **Overall Rating:** 2.78/5 - **Platform Split:** iOS 4.6/5 (9 ratings) | Android 2.5/5 (58 ratings) - **Overall Sentiment:** Thrilled - **Note:** Despite a 2.78/5 store rating, recent user reviews show Thrilled sentiment based on our AI analysis. ### Top Praises - **The logic calculator provides accurate results for propositional statements which simplifies complex academic work** - **The interface remains uncomplicated and easy to use for students dealing with logic problems** ### Top Complaints (Impact Areas) - **The calculator lacks specific symbols required for more advanced propositional logic input operations** ## SWOT Analysis {#swot} **Core Strengths:** - Accurate propositional logic verification simplifies academic workflows **Growth Levers:** - Add character-level navigation to fix typos without full-string deletion ## What's New - **Latest (v1.2, 3 years ago):** Maintenance release focused on bug fixes and API target updates. - **Last Major (v1.1, 6 years ago):** Added educational examples to demonstrate calculator functionality. ## App Momentum (Zombie) {#momentum} - Dormant for 1,333 days - No feature updates since 2023 > **Cadence:** 2 total versions · 0 majors in last 6 months · 1333 days since last update · 1162 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} The Logic Calculator is a market-leading utilities app that is completely free. With a 2.78/5 rating from 67 reviews, it delivers strong user satisfaction. > **Bottom Line:** The Logic Calculator provides a reliable core utility for logic students, but the lack of maintenance risks long-term relevance. Addressing the input-navigation friction would unlock immediate usability gains for the existing user base. **Best for:** Students and learners of propositional logic seeking a tool to verify logical operations and generate truth tables. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship character-level navigation because it is the top-requested usability improvement → increase input efficiency ### Outlook: Stable The educational utility market is consolidating around tools that offer modern, flexible input interfaces. The Logic Calculator remains a stable, niche choice for propositional logic, but its lack of updates leaves it exposed to more agile competitors that prioritize user-experience refinements. - ⚪ The 1,333-day update gap indicates a maintenance-only posture, which limits the app's ability to respond to emerging student needs. - 🟢 High user satisfaction with core accuracy suggests the underlying logic engine remains a strong, defensible value proposition for the target audience. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 2.78/5 | | Total Reviews | 67 | | Sentiment | Thrilled (85/100) | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 4 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **The Logic Calculator** (this app) | 2.78/5 | Thrilled | Ioannis Votsis | | [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.8/5 | N/A | Cat Connect | | [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim | | [App For Siri Commands Tips](https://marlvel.ai/apps/app-for-siri-commands-tips) | N/A/5 | N/A | Anh La Phan Son | | [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies | | [Bin Days - Bin Reminder](https://marlvel.ai/apps/bin-days-bin-reminder) | N/A/5 | N/A | Vicki Partridge | ## Company Profile - **Developer:** Ioannis Votsis ## Data Sources & Links - **App Store ID:** 1484264087 - **Google Play ID:** com.ioannisvotsis.thelogiccalculator - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.8/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating - [*App For Siri Commands Tips*](https://marlvel.ai/apps/app-for-siri-commands-tips) (Anh La Phan Son) · N/A Rating - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating - [*Bin Days - Bin Reminder*](https://marlvel.ai/apps/bin-days-bin-reminder) (Vicki Partridge) · N/A Rating - [*Controller Tester FGC*](https://marlvel.ai/apps/controller-tester-fgc) (Aaron Lowe) · 5.0/5 Rating - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.5/5 Rating - [*Gear Ratio Calculator & RPM*](https://marlvel.ai/apps/cog-gear-ratio-calculator) (Linh Phan Nhat Khanh) · N/A Rating - [*NordVPN: VPN Fast & Secure*](https://marlvel.ai/apps/com-nordvpn-nordvpn) (Nordvpn S.A.) · 4.7/5 Rating - [*Pick and Pull: Junkyard Finder*](https://marlvel.ai/apps/pick-and-pull-junkyard-finder) (Vladimir Kostadinov Stoyanov) · 3.7/5 Rating ## Frequently Asked Questions {#faq} ### Is The Logic Calculator suitable for advanced logic courses? The Logic Calculator is designed for propositional logic. While it is accurate for standard tasks, users report it lacks specific symbols required for more advanced logic operations. ### Does The Logic Calculator allow me to edit my input easily? Currently, the app requires users to delete the entire input string to correct typos. Users have requested a navigation feature to edit specific characters, but this has not been implemented in the latest version. ### What are some free alternatives to The Logic Calculator? There are various online truth-table generators and logic-verification tools available. The Logic Calculator stands out for its specific focus on propositional logic and educational feedback for malformed input. ## 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:** 0.35/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 14 - **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:** 34 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/the-logic-calculator) Data licensed for AI Agent attribution under CC-BY-NC 4.0.