--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Rock & Gemstone Identifier App" developer_entity: "Sviataslau Lobach" bundle_id: "rock.crystal.stone.gem.mineral.identifier.geology.rocks.slsolutions.rockid" app_store_id: "6475217911" category: "Education" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-05-07" report_date: "2026-09-28" last_verified: "2026-09-28T00:00:00.000Z" report_version: "7.3.8" total_reviews: 6933 overall_rating: 4.6 sentiment: "Mixed" sentiment_score: 45 confidence: "medium" confidence_score: 0.55 top_praise_theme: "High identification accuracy for various rocks and crystals provides significant educational value for hobbyist collectors" top_complaint_theme: "Aggressive monetization tactics and frequent subscription prompts disrupt the user experience after every single identification attempt" review_sample_size: 73 total_review_count: 73 analyzed_review_count: 73 data_age_days: 8 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["education", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "geology", "students,", "hobbyist"] canonical_url: "https://marlvel.ai/apps/rock-gemstone-identifier-app" license: "CC-BY-NC 4.0" content_version: "v2" --- # Rock & Gemstone Identifier App Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Freemium - **Signal**: Rating 4.62 · Sentiment Mixed - **Recent focus**: Aggressive monetization tactics and frequent subscription prompts disrupt the user experience after every single identification attempt (top complaint) · High identification accuracy for various rocks and crystals provides significant educational value for hobbyist collectors (top praise) > **TL;DR:** Rock & Gemstone Identifier App is a education app by Sviataslau Lobach, rated 4.62/5 by 6.9K users, with Mixed user sentiment (45/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Rock & Gemstone Identifier App shows Mixed sentiment (4.62/5 from 6.9K reviews) - users praise high identification accuracy for various rocks and crystals provides significant educational value for hobbyist collectors but report issues with aggressive monetization tactics and frequent subscription prompts disrupt the user experience after every single identification attempt. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.62/5 (6.9K reviews) | | **User Mood** | Mixed | | **Category** | Education | | **Developer** | Sviataslau Lobach | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.55/1.0) | | **Data Age** | 8d | ## Metadata & Market Performance - **Publisher:** Sviataslau Lobach - **Category:** Education - **Target Audience:** Geology students, hobbyist rock collectors, and mineral explorers. - **Platforms:** iOS & Android - **Version Reviewed:** 7.3.8 - **Report Date:** 2026-09-28 - **Signal Count:** 73 reviews analyzed - **Confidence:** Medium (0.55/1.0) - **App Store ID (iOS):** 6475217911 - **Bundle ID:** rock.crystal.stone.gem.mineral.identifier.geology.rocks.slsolutions.rockid - **Google Play ID:** rock.crystal.stone.gem.mineral.identifier.geology.rocks.slsolutions.rockid - **Data Window:** Analysis based on signals collected up to 2026-09-28 - **Short Description:** Identify rock, crystal, stone, mineral or gemstone by photo or camera in our app ## Executive Snapshot **What it is:** Rock & Gemstone Identifier App is a mobile tool for identifying rocks, minerals, and gemstones via camera-based AI on iOS and Android. **Why users hire it:** It removes the cognitive cost of manual mineral classification for hobbyists by providing instant, expert-verified identification and detailed geological data. ## App DNA (Features & Intent) - **[Standard] AI-Powered Identification:** Camera-based image recognition for rocks, minerals, and gemstones. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Differentiator] Geologist Chat Expert:** Direct access to mineralogy and petrology experts via in-app chat. * *User Intent:* Users want real-time communication within the app experience. - **[Standard] Geological Database:** Searchable library of over 6000 types of rocks with chemical formulae. * *User Intent:* Users want to quickly find relevant content or features. ## Market Position {#market-position} Rock & Gemstone Identifier App holds a #190 Grossing rank in US Education, indicating that monetization friction is currently limiting revenue growth relative to its utility. The 4.72 iOS rating reflects high satisfaction with the core identification engine, despite the recent decline in sentiment post-update. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with limited identification attempts and chat messages, Premium tier with unlimited access - **Analysis:** The freemium model uses hard usage caps on core utility features to drive conversion, though this currently creates significant user friction. ## 🟡 User Sentiment (Medium Confidence: 73 of 73 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.62/5 - **Platform Split:** iOS 4.7/5 (426 ratings) | Android 4.6/5 (6.5K ratings) - **Overall Sentiment:** Mixed ### Top Praises - **High identification accuracy for various rocks and crystals provides significant educational value for hobbyist collectors** - **AI-powered expert chat feature offers deep educational insights that help users learn about their mineral collection** ### Top Complaints (Impact Areas) - **Aggressive monetization tactics and frequent subscription prompts disrupt the user experience after every single identification attempt** ## SWOT Analysis {#swot} **Core Strengths:** - High-accuracy identification engine provides immediate utility for hobbyist collectors - AI-powered expert chat offers deep educational insights that differentiate the tool **Growth Levers:** - Implement a dedicated storage feature for personal collections to increase session frequency - Adjust the free-tier identification cap to improve user trust and trial conversion ## What's New - **Latest (v7.3.8, 4 months ago):** Introduced a high-accuracy AI identification algorithm for crystals, stones, and gems, paired with a multilingual AI chat expert. ## App Momentum (Maintenance) {#momentum} - Shipped high-accuracy AI identification algorithm. - Integrated multilingual AI chat expert. - Quiet 4 months, no new features. > **Cadence:** 1 total versions · 1 majors in last 6 months · 143 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Rock & Gemstone Identifier App is an education app that is free with in-app purchases. With a 4.62/5 rating from 6.9K reviews, it shows mixed user reception. > **Bottom Line:** Addressing the technical instability and aggressive subscription prompts would stabilize the core retention loop, which is currently threatened by user frustration. Prioritizing these fixes will protect the app's high-utility reputation and improve the conversion funnel. **Best for:** Geology students, hobbyist rock collectors, and mineral explorers. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Audit subscription prompt frequency because users report being bombarded after every scan → reduce churn ### Outlook: Declining The market for mobile geology tools is consolidating, and Rock & Gemstone Identifier App is currently losing ground due to technical instability and monetization friction. Unless the development team shifts focus from aggressive conversion to stability, the app risks losing its user base to more reliable, less intrusive alternatives. - 🔴 Frequent crashes during scanning → user frustration → increased churn pressure on the core identification loop. - 🔴 Users report: Aggressive subscription prompts post-update → perceived deceptive billing → erosion of user trust and long-term retention. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.62/5 | | Total Reviews | 6.9K | | Sentiment | Mixed (45/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Rock & Gemstone Identifier App** (this app) | 4.62/5 | Mixed | Sviataslau Lobach | | [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:** Sviataslau Lobach ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/rock-gemstone-identifier-app/id6475217911?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=rock.crystal.stone.gem.mineral.identifier.geology.rocks.slsolutions.rockid) - **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 & Gemstone Identifier App free to use? The app offers a free tier, but it limits the number of identification attempts and chat messages per day. Users report these limits are quite restrictive. ### Does the app have intrusive ads or subscription prompts? Users report frequent and aggressive subscription prompts that appear immediately after scanning items, which many find disruptive to the experience. ### Is Rock & Gemstone Identifier App accurate for identifying crystals? Reviewers generally praise the high identification accuracy of the AI engine, especially when lighting conditions are optimal for the camera. ## 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:** 73 - **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:** 8 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/rock-gemstone-identifier-app) Data licensed for AI Agent attribution under CC-BY-NC 4.0.