--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Calculus(Math Drills)" developer_entity: "郷 田村" bundle_id: "com.gotam.Calculus" app_store_id: "6446335243" category: "Education" primary_platform: "ios" primary_monetization: "Free" offline_capable: true market_region: "US" platforms: "iOS" app_last_updated: "2023-06-22" report_date: "2026-09-21" last_verified: "2026-09-21T00:00:00.000Z" report_version: "1.0.4" total_reviews: 1 overall_rating: 1 sentiment: "Upset" sentiment_score: 10 confidence: "low" confidence_score: 0.3 top_complaint_theme: "The challenge mode lacks a functional submission mechanism for correct answers, preventing users from completing tasks" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 9 momentum_velocity: "zombie" intelligence_version: 2 tags: ["education", "free", "upset sentiment", "mobile app", "app review", "app analysis", "students", "learners", "seeking"] canonical_url: "https://marlvel.ai/apps/calculus-math-drills" license: "CC-BY-NC 4.0" content_version: "v2" --- # Calculus(Math Drills) Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Free - **Signal**: Rating 1 · Sentiment Upset - **Recent focus**: The challenge mode lacks a functional submission mechanism for correct answers, preventing users from completing tasks (top complaint) > **TL;DR:** Calculus(Math Drills) is a education app by 郷 田村, rated 1/5 by 1 users, with Upset user sentiment (10/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Calculus(Math Drills) faces Upset user sentiment (1/5 from 1 review), with users reporting the challenge mode lacks a functional submission mechanism for correct answers, preventing users from completing tasks as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 1/5 (1 review) | | **User Mood** | Upset | | **Category** | Education | | **Developer** | 郷 田村 | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.3/1.0) | | **Data Age** | 9d | ## Metadata & Market Performance - **Publisher:** 郷 田村 - **Category:** Education - **Target Audience:** Students and learners seeking repetitive, offline-capable calculus practice. - **Platforms:** iOS - **Version Reviewed:** 1.0.4 - **Report Date:** 2026-09-21 - **Signal Count:** 1 review analyzed - **Confidence:** Low (0.3/1.0) - **App Store ID (iOS):** 6446335243 - **Bundle ID:** com.gotam.Calculus - **Data Window:** Analysis based on signals collected up to 2026-09-21 ## Executive Snapshot **What it is:** Calculus(Math Drills) is an education app for iOS that generates and evaluates calculus problems locally. **Why users hire it:** It removes the connectivity dependency for study sessions, allowing students to practice in remote or transit environments without an active data connection. ## App DNA (Features & Intent) - **[Differentiator] Offline Drill Learning:** Calculus problem sets generated and solved locally without an active internet connection. * *User Intent:* Users want uninterrupted access without internet dependency. - **[Standard] Automated Question Generation:** System creates new math problems and evaluates user answers for correctness automatically. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Challenge Mode:** Competitive ranking system based on scores achieved during drill sessions. * *User Intent:* Users are driven by competitive achievement and recognition. ## Market Position {#market-position} Calculus(Math Drills) maintains a minimal footprint in the Education category, holding a 1-star rating based on a single review. The lack of updates for over 1,180 days signals a product that is no longer competing for market share. ## Monetization Strategy - **Model:** Free - **Tiers:** Free access to all features - **Analysis:** The app is distributed as a free utility with no visible in-app purchases or subscription gates. ## 🔴 User Sentiment (Low Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 1/5 - **Platform Split:** iOS 1.0/5 (1 ratings) - **Overall Sentiment:** Upset ### Top Complaints (Impact Areas) - **The challenge mode lacks a functional submission mechanism for correct answers, preventing users from completing tasks** ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture removes connectivity dependency ## What's New - **Latest (v1.0.4, 3 years ago):** General bug fixes. ## App Momentum (Zombie) {#momentum} - No updates for 39 months. - Critical challenge mode failure persists. > **Cadence:** 1 total versions · 0 majors in last 6 months · 1187 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Calculus(Math Drills) is an education app that is completely free. It holds a 1/5 rating from 1 review. > **Bottom Line:** The persistent failure of the challenge submission mechanism renders the current build unusable, and the lack of updates since 2023 suggests the product is in a sunset state. **Best for:** Students and learners seeking repetitive, offline-capable calculus practice. ### PM Action Plan (Next Best Moves) - [ ] [SUNSET] Sunset the app because the challenge mode is non-functional and development has been dormant for over three years → eliminate user frustration ### Outlook: Declining The education market for drill-based learning is consolidating around apps with active maintenance and cloud-sync capabilities. Calculus(Math Drills) remains exposed to total abandonment because its core challenge feature is non-functional and the developer has not shipped an update in over three years. - 🔴 The 39-month update gap confirms the app is in a dormant state, which prevents any recovery of the current 1-star rating. - 🔴 The broken challenge submission mechanism prevents users from completing tasks, which guarantees high churn for any new downloads. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 1/5 | | Total Reviews | 1 | | Sentiment | Upset (10/100) | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Calculus(Math Drills)** (this app) | 1/5 | Upset | 郷 田村 | | [Catbus Student](https://marlvel.ai/apps/catbus-student) | 4.3/5 | N/A | Cohota Join Stock Company | | [Money Matrix (CAD)](https://marlvel.ai/apps/money-matrix-cad) | 5.0/5 | N/A | Blooming Kids Software LLC | | [Quran Treasure Island for Kids](https://marlvel.ai/apps/quran-treasure-island-for-kids) | 4.9/5 | Mixed | Akeela Manekia | | [Valencia College - MyVC](https://marlvel.ai/apps/valencia-college-myvc) | 5.0/5 | N/A | Valencia College | | [Verbi: Learn a New Language](https://marlvel.ai/apps/verbi-learn-a-new-language) | 4.3/5 | n/a | ACADIA LABS INC. | ## Company Profile - **Developer:** 郷 田村 ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/calculus-math-drills/id6446335243?uo=4) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*Catbus Student*](https://marlvel.ai/apps/catbus-student) (Cohota Join Stock Company) · 4.3/5 Rating - [*Money Matrix (CAD)*](https://marlvel.ai/apps/money-matrix-cad) (Blooming Kids Software LLC) · 5.0/5 Rating - [*Quran Treasure Island for Kids*](https://marlvel.ai/apps/quran-treasure-island-for-kids) (Akeela Manekia) · 4.9/5 Rating - [*Valencia College - MyVC*](https://marlvel.ai/apps/valencia-college-myvc) (Valencia College) · 5.0/5 Rating - [*Verbi: Learn a New Language*](https://marlvel.ai/apps/verbi-learn-a-new-language) (ACADIA LABS INC.) · 4.3/5 Rating - [*자주 틀리는 우리말*](https://marlvel.ai/apps/app--424) (DaolSoft, Co., Ltd.) · N/A Rating - [*달공부 - 한 달 공부 다이어리 + 루틴/공부 타이머*](https://marlvel.ai/apps/azlabs-dalstudy) (SuWon Choi) · N/A Rating - [*타요콘 - 타요 아바타 놀이동화*](https://marlvel.ai/apps/com-kigle-project-tayocon) (KIGLE) · 3.1/5 Rating - [*천자문 워치*](https://marlvel.ai/apps/app--385) (kim juyoung) · N/A Rating - [*천자문 공부 도우미*](https://marlvel.ai/apps/app--382) (kim juyoung) · 5.0/5 Rating ## Frequently Asked Questions {#faq} ### Is Calculus(Math Drills) still being updated? No, the app has not received an update since June 2023, and users report that core features like the challenge mode are currently broken. ### Does Calculus(Math Drills) work without an internet connection? Yes, the app is designed for offline drill learning, though the challenge mode functionality is currently failing for users. ### What is a free alternative to Calculus(Math Drills)? Users should consider education apps with active update cycles and functional practice modes, as Calculus(Math Drills) is currently in a dormant state. ## 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:** 0.3/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **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:** 9 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/calculus-math-drills) Data licensed for AI Agent attribution under CC-BY-NC 4.0.