--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Rock Scanner: Identify Stone" developer_entity: "兴建 薛" bundle_id: "com.rock.id.scan" app_store_id: "6745610419" category: "Education" primary_platform: "ios" primary_monetization: "Subscription" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-03-24" report_date: "2026-11-04" last_verified: "2026-11-04T00:00:00.000Z" report_version: "1.0.6" total_reviews: 37 overall_rating: 3.9 sentiment: "Upset" sentiment_score: 10 confidence: "medium" confidence_score: 0.55 top_complaint_theme: "Aggressive subscription paywalls prevent users from accessing core identification features without a recurring financial commitment" review_sample_size: 2 total_review_count: 2 analyzed_review_count: 2 data_age_days: 11 momentum_velocity: "zombie" intelligence_version: 2 tags: ["education", "subscription", "upset sentiment", "mobile app", "app review", "app analysis", "students,", "hikers,", "enthusiasts"] canonical_url: "https://marlvel.ai/apps/rock-scanner-identify-stone" license: "CC-BY-NC 4.0" content_version: "v2" --- # Rock Scanner: Identify Stone Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Subscription - **Signal**: Rating 3.95 · Sentiment Upset - **Recent focus**: Aggressive subscription paywalls prevent users from accessing core identification features without a recurring financial commitment (top complaint) > **TL;DR:** Rock Scanner: Identify Stone is a education app by 兴建 薛, rated 3.95/5 by 37 users, with Upset user sentiment (10/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Rock Scanner: Identify Stone faces Upset user sentiment (3.95/5 from 37 reviews), with users reporting aggressive subscription paywalls prevent users from accessing core identification features without a recurring financial commitment as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.95/5 (37 reviews) | | **User Mood** | Upset | | **Category** | Education | | **Developer** | 兴建 薛 | | **Pricing** | Subscription | | **Platforms** | iOS | | **Confidence** | Medium (0.55/1.0) | | **Data Age** | 11d | ## Metadata & Market Performance - **Publisher:** 兴建 薛 - **Category:** Education - **Target Audience:** Students, hikers, and rock enthusiasts interested in identifying and cataloging geological specimens. - **Platforms:** iOS - **Version Reviewed:** 1.0.6 - **Report Date:** 2026-11-04 - **Signal Count:** 2 reviews analyzed - **Confidence:** Medium (0.55/1.0) - **App Store ID (iOS):** 6745610419 - **Bundle ID:** com.rock.id.scan - **Data Window:** Analysis based on signals collected up to 2026-11-04 ## Executive Snapshot **What it is:** Rock Scanner: Identify Stone is an AI-powered geological identification app for students and rock enthusiasts on iOS. **Why users hire it:** The app removes the need for manual geological research by providing instant chemical and origin data from a single photo, though the current paywall prevents users from testing this utility before purchase. ## App DNA (Features & Intent) - **[Standard] Smart Rock Identification:** AI-based image recognition for identifying rocks, minerals, and crystals from a single photo. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Standard] Geological Insights:** Provides data on chemical makeup, hardness, origin, and common uses for identified specimens. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Collection Tracker:** Digital log to save discoveries and track geological findings. * *User Intent:* Users want to quickly find relevant content or features. - **[Differentiator] Priority Processing:** Faster analysis speeds for identified specimens. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Rock Scanner: Identify Stone occupies a niche in the Education category, but its 3.9-star rating across 37 total ratings reflects friction caused by its monetization model. ## Monetization Strategy - **Model:** Subscription - **Tiers:** Free tier with limited access, Premium subscription with weekly and yearly billing - **Analysis:** The subscription model uses aggressive feature gating for core identification, which users report as a barrier to entry. ## 🔴 User Sentiment (Medium Confidence: 2 of 2 reviews analyzed) {#user-sentiment} - **Overall Rating:** 3.95/5 - **Platform Split:** iOS 3.9/5 (37 ratings) - **Overall Sentiment:** Upset ### Top Complaints (Impact Areas) - **Aggressive subscription paywalls prevent users from accessing core identification features without a recurring financial commitment** ## SWOT Analysis {#swot} **Core Strengths:** - AI-based image recognition provides a standardized identification workflow for geological specimens **Growth Levers:** - Implement a limited free-tier identification count to demonstrate accuracy before subscription conversion ## What's New - **Latest (v1.0.6, 7 months ago):** Addressed minor stability issues and bug fixes. ## App Momentum (Zombie) {#momentum} - No feature updates in 7 months - Maintenance-only cadence since March 2026 > **Cadence:** 1 total versions · 0 majors in last 6 months · 224 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Rock Scanner: Identify Stone is an education app. It holds a 3.95/5 rating from 37 reviews. > **Bottom Line:** Rock Scanner: Identify Stone must pivot its onboarding and free-tier access to address the conversion friction driving negative sentiment. Unlocking basic identification would allow the app to demonstrate value, which is currently blocked by the aggressive paywall. **Best for:** Students, hikers, and rock enthusiasts interested in identifying and cataloging geological specimens. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Implement a limited free-tier identification count because current paywalls block all core utility → improve conversion rates ### Outlook: Declining The geological identification market is shifting toward freemium models that provide high-value utility before gating advanced insights. Rock Scanner: Identify Stone remains exposed due to its rigid paywall and lack of recent updates, which will likely continue to depress its rating and install velocity through the next quarter. - 🔴 The seven-month development gap indicates a lack of active investment, which erodes user trust and long-term retention potential. - 🔴 Persistent complaints regarding aggressive paywalls indicate that the current monetization strategy is misaligned with user expectations for an identification utility. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.95/5 | | Total Reviews | 37 | | Sentiment | Upset (10/100) | | Confidence | Medium | | Pricing Model | Subscription | | Platforms | iOS | | Key Features | 4 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Rock Scanner: Identify Stone** (this app) | 3.95/5 | Upset | 兴建 薛 | | [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:** 兴建 薛 - **Website:** [https://calculator-d38eb.web.app/](https://calculator-d38eb.web.app/) ## Data Sources & Links - **App Store ID:** 6745610419 - **Dev Site:** [Official Website](https://calculator-d38eb.web.app/) - **Sources:** Developer website content, About us / company information, 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 Rock Scanner: Identify Stone free to use? The app is free to download, but core identification features are gated behind a subscription. Users report that the free tier is highly limited, making it difficult to use the app without a recurring financial commitment. ### Does Rock Scanner: Identify Stone have intrusive subscription prompts? Yes, reviews indicate that subscription prompts appear during the initial onboarding and are difficult to dismiss, which prevents users from testing the app's identification accuracy. ### What are some free alternatives to Rock Scanner: Identify Stone? Users looking for geological identification should consider apps that offer a more generous free-tier identification count or ad-supported models, as Rock Scanner: Identify Stone currently restricts all core functionality to paid subscribers. ## 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:** 0.55/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 2 - **Data Sources:** user reviews, developer website, company about page, 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:** 11 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/rock-scanner-identify-stone) Data licensed for AI Agent attribution under CC-BY-NC 4.0.