--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "CMB Maps" developer_entity: "Qingqing Mao" bundle_id: "io.mqq.CMB-Maps" app_store_id: "894952449" category: "Education" primary_platform: "ios" primary_monetization: "Free" offline_capable: true market_region: "US" platforms: "iOS" app_last_updated: "2026-11-08" report_date: "2026-11-10" last_verified: "2026-11-10T00:00:00.000Z" report_version: "2.0.1" total_reviews: 21 overall_rating: 3.9 sentiment: "Frustrated" sentiment_score: 35 confidence: "medium" confidence_score: 0.5 top_praise_theme: "The cosmic background radiation maps provide a deep and engaging educational tool for space enthusiasts" top_complaint_theme: "The app fails to launch or download on current operating system versions, preventing access for users" review_sample_size: 6 total_review_count: 6 analyzed_review_count: 6 data_age_days: 4 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["education", "free", "frustrated sentiment", "mobile app", "app review", "app analysis", "students,", "educators,", "astronomy"] canonical_url: "https://marlvel.ai/apps/cmb-maps" license: "CC-BY-NC 4.0" content_version: "v2" --- # CMB Maps Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Free - **Signal**: Rating 3.86 · Sentiment Frustrated - **Recent focus**: The app fails to launch or download on current operating system versions, preventing access for users (top complaint) · The cosmic background radiation maps provide a deep and engaging educational tool for space enthusiasts (top praise) > **TL;DR:** CMB Maps is a education app by Qingqing Mao, rated 3.86/5 by 21 users, with Frustrated user sentiment (35/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** CMB Maps faces Frustrated user sentiment (3.86/5 from 21 reviews), with users reporting the app fails to launch or download on current operating system versions, preventing access for users as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.86/5 (21 reviews) | | **User Mood** | Frustrated | | **Category** | Education | | **Developer** | Qingqing Mao | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Medium (0.5/1.0) | | **Data Age** | 4d | ## Metadata & Market Performance - **Publisher:** Qingqing Mao - **Category:** Education - **Target Audience:** Students, educators, and astronomy enthusiasts interested in cosmology and data visualization. - **Platforms:** iOS - **Version Reviewed:** 2.0.1 - **Report Date:** 2026-11-10 - **Signal Count:** 6 reviews analyzed - **Confidence:** Medium (0.5/1.0) - **App Store ID (iOS):** 894952449 - **Bundle ID:** io.mqq.CMB-Maps - **Data Window:** Analysis based on signals collected up to 2026-11-10 ## Executive Snapshot **What it is:** CMB Maps is an educational astronomy app for iOS that renders cosmic microwave background data from major space missions. **Why users hire it:** It removes the friction of accessing complex scientific datasets by providing a portable, offline-first visualization tool for students and enthusiasts. ## App DNA (Features & Intent) - **[Differentiator] Live Map Rendering:** Generates cosmic microwave background maps directly on the device using raw mission data. - **[Differentiator] Tilt-to-Compare Interface:** Uses device accelerometer to fade between different mission datasets. - **[Differentiator] Full Offline Functionality:** Accesses all map data and educational content without an internet connection. * *User Intent:* Users want uninterrupted access without internet dependency. ## Market Position {#market-position} CMB Maps maintains a specialized position in the Education category with a 3.86-star rating across 21 total ratings. The lack of recent maintenance updates relative to current OS requirements creates a significant barrier to user retention. ## Monetization Strategy - **Model:** Free - **Tiers:** Completely free with no in-app purchases, ads, or tracking - **Analysis:** The app operates as a non-commercial educational tool with no monetization mechanisms. ## 🔴 User Sentiment (Medium Confidence: 6 of 6 reviews analyzed) {#user-sentiment} - **Overall Rating:** 3.86/5 - **Platform Split:** iOS 3.9/5 (21 ratings) - **Overall Sentiment:** Frustrated ### Top Praises - **The cosmic background radiation maps provide a deep and engaging educational tool for space enthusiasts** ### Top Complaints (Impact Areas) - **The app fails to launch or download on current operating system versions, preventing access for users** ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture removes connectivity dependencies - Scientific transparency via source-attributed metadata **Growth Levers:** - Update for modern hardware to capture astronomy student segment ## What's New - **Latest (v2.0.1, yesterday):** Added Save Image functionality to the share sheet and introduced a Cividis color-blind-safe map palette option. ## App Momentum (Maintenance) {#momentum} - Shipped latest release with share improvements. - Maintains maintenance-level update cadence. > **Cadence:** 1 total versions · 1 majors in last 6 months · 1 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} CMB Maps is an education app that is completely free. With a 3.86/5 rating from 21 reviews, it faces significant user friction. > **Bottom Line:** CMB Maps provides unique educational value through its offline-first scientific visualization, but the current launch failures on modern hardware threaten its viability. A maintenance update is required to restore access and prevent total user churn. **Best for:** Students, educators, and astronomy enthusiasts interested in cosmology and data visualization. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship compatibility patch for current OS versions because user reviews flag launch failures as the top churn driver → restore access ### Outlook: Mixed The outlook for CMB Maps depends entirely on the developer's ability to address OS compatibility issues. Without a commitment to ongoing maintenance, the app will continue to lose its existing user base to technical obsolescence. - 🔴 Launch failures on current operating systems prevent access, which erodes the user base and drives negative sentiment. - 🟢 The latest release introduces share sheet integration, signaling that the developer is still performing maintenance on the codebase. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.86/5 | | Total Reviews | 21 | | Sentiment | Frustrated (35/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Mixed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **CMB Maps** (this app) | 3.86/5 | Frustrated | Qingqing Mao | | [ALPA: Lernspiele für Kinder](https://marlvel.ai/apps/alpa-lernspiele-fur-kinder) | N/A/5 | N/A | ALPA Kids OU | | [ATPdigital (Legacy)](https://marlvel.ai/apps/atpdigital-legacy) | 2.0/5 | n/a | Bristol Groundschool International Ltd | | [BDS Next](https://marlvel.ai/apps/bds-next) | 4.6/5 | Mixed | Raison Thomas | | [Catbus Student](https://marlvel.ai/apps/catbus-student) | 4.1/5 | N/A | Cohota Join Stock Company | | [Chinese Tibetan Dictionary](https://marlvel.ai/apps/chinese-tibetan-dictionary) | 5.0/5 | Thrilled | Lobsang Monlam16922404891 | ## Company Profile - **Developer:** Qingqing Mao - **Website:** [https://cmbmaps.com/](https://cmbmaps.com/) ## Data Sources & Links - **App Store ID:** 894952449 - **Dev Site:** [Official Website](https://cmbmaps.com/) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*ALPA: Lernspiele für Kinder*](https://marlvel.ai/apps/alpa-lernspiele-fur-kinder) (ALPA Kids OU) · N/A Rating - [*ATPdigital (Legacy)*](https://marlvel.ai/apps/atpdigital-legacy) (Bristol Groundschool International Ltd) · 2.0/5 Rating - [*BDS Next*](https://marlvel.ai/apps/bds-next) (Raison Thomas) · 4.6/5 Rating - [*Catbus Student*](https://marlvel.ai/apps/catbus-student) (Cohota Join Stock Company) · 4.1/5 Rating - [*Chinese Tibetan Dictionary*](https://marlvel.ai/apps/chinese-tibetan-dictionary) (Lobsang Monlam16922404891) · 5.0/5 Rating | Excellent Sentiment - [*Insights to Behavior*](https://marlvel.ai/apps/insights-to-behavior) (Insights to Behavior) · N/A Rating - [*Legasthenie & LRS Trainer*](https://marlvel.ai/apps/legasthenie-lrs-trainer) (Matthias Aigner) · N/A Rating - [*Lyceum Leaf Parent*](https://marlvel.ai/apps/lyceum-leaf-parent) (Techcess Business Solutions (Pvt) Ltd) · N/A Rating - [*MapTap.gg*](https://marlvel.ai/apps/nibble-games-maptap) (MapTap Inc) · 4.9/5 Rating | Excellent Sentiment - [*Money Matrix (CAD)*](https://marlvel.ai/apps/money-matrix-cad) (Blooming Kids Software LLC) · 5.0/5 Rating ## Frequently Asked Questions {#faq} ### Is CMB Maps free to use? Yes, CMB Maps is completely free with no in-app purchases, ads, or tracking. ### Does CMB Maps require an internet connection? No, CMB Maps works fully offline, allowing access to all map data and educational content without an internet connection. ### Is CMB Maps safe for students? Yes, CMB Maps is an educational tool with no ads, tracking, or in-app purchases, making it suitable for educational environments. ### What mission data does CMB Maps use? CMB Maps uses data from the ESA Planck mission, as well as NASA's WMAP and COBE science teams. ## 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:** 0.5/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 6 - **Data Sources:** user reviews, 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:** 4 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/cmb-maps) Data licensed for AI Agent attribution under CC-BY-NC 4.0.