--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Rock Identifier: Stone Scanner" developer_entity: "Vitalii Korol" bundle_id: "vetaloff.rockidentifier" app_store_id: "6788499024" category: "Education" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-08-12" report_date: "2026-09-28" last_verified: "2026-09-28T00:00:00.000Z" report_version: "1.2" total_reviews: 20 overall_rating: 4.5 sentiment: "Frustrated" sentiment_score: 35 confidence: "low" confidence_score: 0.3 top_praise_theme: "Geology enthusiasts find the identification tool helpful for quick and accurate mineral recognition during field trips" top_complaint_theme: "Users report that the app restricts access to basic identification results behind a paywall after the latest update" review_sample_size: 3 total_review_count: 3 analyzed_review_count: 3 data_age_days: 2 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["education", "free", "frustrated sentiment", "mobile app", "app review", "app analysis", "rockhounds,", "collectors,", "students"] canonical_url: "https://marlvel.ai/apps/rock-identifier-stone-scanner-2" license: "CC-BY-NC 4.0" content_version: "v2" --- # Rock Identifier: Stone Scanner Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Free - **Signal**: Rating 4.5 · Sentiment Frustrated - **Recent focus**: Users report that the app restricts access to basic identification results behind a paywall after the latest update (top complaint) · Geology enthusiasts find the identification tool helpful for quick and accurate mineral recognition during field trips (top praise) > **TL;DR:** Rock Identifier: Stone Scanner is a education app by Vitalii Korol, rated 4.5/5 by 20 users, with Frustrated user sentiment (35/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Rock Identifier: Stone Scanner faces Frustrated user sentiment (4.5/5 from 20 reviews), with users reporting users report that the app restricts access to basic identification results behind a paywall after the latest update as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.5/5 (20 reviews) | | **User Mood** | Frustrated | | **Category** | Education | | **Developer** | Vitalii Korol | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.3/1.0) | | **Data Age** | 2d | ## Metadata & Market Performance - **Publisher:** Vitalii Korol - **Category:** Education - **Target Audience:** Rockhounds, collectors, and students who need quick identification of geological specimens. - **Platforms:** iOS - **Version Reviewed:** 1.2 - **Report Date:** 2026-09-28 - **Signal Count:** 3 reviews analyzed - **Confidence:** Low (0.3/1.0) - **App Store ID (iOS):** 6788499024 - **Bundle ID:** vetaloff.rockidentifier - **Data Window:** Analysis based on signals collected up to 2026-09-28 ## Executive Snapshot **What it is:** Rock Identifier is a mobile-based geological specimen scanner for hobbyists and students on iOS. **Why users hire it:** The tool removes the cognitive friction of manual mineral classification during field trips, providing instant identification for backyard pebbles and gemstones alike. ## App DNA (Features & Intent) - **[Standard] AI Rock Identification:** Camera-based image recognition identifies rocks and crystals using a trained model. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Standard] Identification History:** Saves scan results to a local library for future reference. - **[Differentiator] Result Rating:** Allows users to provide feedback on the accuracy of identification results. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Rock Identifier serves the niche geology segment with a 4.5-star rating across 20 reviews. The recent shift to gated identification results creates a monetization friction point that contrasts with the app's initial positioning as a free utility. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is free to use, though recent updates have introduced paywalls for identification results. ## 🔴 User Sentiment (Low Confidence: 3 of 3 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.5/5 - **Platform Split:** iOS 4.5/5 (20 ratings) - **Overall Sentiment:** Frustrated - **Note:** The 4.5/5 store rating reflects cumulative history, while the Frustrated sentiment reflects recent user reviews analyzed by our AI pipeline. ### Top Praises - **Geology enthusiasts find the identification tool helpful for quick and accurate mineral recognition during field trips** ### Top Complaints (Impact Areas) - **Users report that the app restricts access to basic identification results behind a paywall after the latest update** ## SWOT Analysis {#swot} **Core Strengths:** - Camera-based identification loop provides immediate utility for field-based geological exploration. - Result rating mechanism builds a direct feedback loop for model training. **Growth Levers:** - Educational content integration could increase retention for the student segment. ## What's New - **Latest (v1.2, 1 months ago):** Improved scan performance and background reliability, plus a new user feedback mechanism for identification results. ## App Momentum (Maintenance) {#momentum} - Ships bug fixes at 46-day cadence. - Integrated user feedback mechanism for results. > **Cadence:** 1 total versions · 0 majors in last 6 months · 46 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Rock Identifier: Stone Scanner is an education app that is completely free. It holds a 4.5/5 rating from 20 reviews. > **Bottom Line:** Transitioning core identification to a paid model without providing additional value has alienated the user base, signaling that the current monetization strategy risks long-term retention for a short-term revenue gain. **Best for:** Rockhounds, collectors, and students who need quick identification of geological specimens. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Audit paywall placement because user sentiment declined sharply post-update → recover user trust ### Outlook: Declining The geological identification market is consolidating around tools that offer clear value-add beyond basic scanning. Rock Identifier's shift to a paywall-heavy model without corresponding feature expansion leaves it vulnerable to competitors that maintain a free-to-use utility loop. - 🔴 The latest update introduced a paywall for identification results, which triggered a sharp decline in sentiment and increased churn risk. - ⚪ The 46-day update cadence suggests a maintenance-mode posture, limiting the ability to quickly iterate on user feedback or feature requests. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.5/5 | | Total Reviews | 20 | | Sentiment | Frustrated (35/100) | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Rock Identifier: Stone Scanner** (this app) | 4.5/5 | Frustrated | Vitalii Korol | | [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 | | [Catbus Student](https://marlvel.ai/apps/catbus-student) | 4.3/5 | N/A | Cohota Join Stock Company | | [Chinese Tibetan Dictionary](https://marlvel.ai/apps/chinese-tibetan-dictionary) | 5.0/5 | Thrilled | Lobsang Monlam16922404891 | | [Legasthenie & LRS Trainer](https://marlvel.ai/apps/legasthenie-lrs-trainer) | N/A/5 | N/A | Matthias Aigner | ## Company Profile - **Developer:** Vitalii Korol ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/rock-identifier-stone-scanner/id6788499024?uo=4) - **Sources:** 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 - [*Catbus Student*](https://marlvel.ai/apps/catbus-student) (Cohota Join Stock Company) · 4.3/5 Rating - [*Chinese Tibetan Dictionary*](https://marlvel.ai/apps/chinese-tibetan-dictionary) (Lobsang Monlam16922404891) · 5.0/5 Rating | Excellent Sentiment - [*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 - [*Money Matrix (CAD)*](https://marlvel.ai/apps/money-matrix-cad) (Blooming Kids Software LLC) · 5.0/5 Rating - [*myTibetan*](https://marlvel.ai/apps/mytibetan) (Yury Nevalenny) · 4.8/5 Rating | Excellent Sentiment - [*Quran Treasure Island for Kids*](https://marlvel.ai/apps/quran-treasure-island-for-kids) (Akeela Manekia) · 4.9/5 Rating - [*Sudoku - Number Puzzle Pro*](https://marlvel.ai/apps/sudoku-number-puzzle-pro) (阳理 江) · N/A Rating ## Frequently Asked Questions {#faq} ### Is Rock Identifier free to use? While the app is free to download, recent updates have introduced paywalls that restrict access to identification details for some users. ### How does Rock Identifier compare to other geology apps? Rock Identifier focuses on quick, camera-based identification and a personal history library, though recent monetization changes have made it less accessible than some free alternatives. ### Is Rock Identifier suitable for students? Yes, the app is marketed toward students and hobbyists, though users should be aware that some identification results now require payment. ## 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:** 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:** 2 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/rock-identifier-stone-scanner-2) Data licensed for AI Agent attribution under CC-BY-NC 4.0.