Report updated May 19, 2026
Rock ID - Stone Identifier
For geology enthusiasts, amateur rock collectors, and hobbyists seeking to identify and catalog mineral finds.
Rock ID - Stone Identifier is a challenged education app that is available. With a 4.3/5 rating from 9.9K reviews, it faces significant user friction. Users particularly appreciate the core identification feature provides quick results for users who capture clear, high-quality photographs, though inaccurate identification results across multiple attempts on the same specimen frustrate users seeking reliable data remains a common concern.
What is Rock ID - Stone Identifier?
Rock ID is an AI-powered mineral and gemstone identification app for amateur geologists on iOS and Android.
Users hire the app to satisfy curiosity about mineral finds and catalog collections, but the current identification engine fails to provide the reliable accuracy required for long-term hobbyist retention.
Current Momentum
v1.7 · 15mo ago
Maintenance- Integrated user-submitted identification reviews.
- Cross-promoted related identification apps.
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Identifies minerals, gems, and fossils from photo input using an AI-powered search engine
Analyzes images to distinguish between authentic gemstones and synthetic or cheaper alternatives
How much does it cost?
- Free tier with limited access
- Premium tier with weekly, monthly, or annual billing options
Freemium model using a subscription-based gate for unlimited access to identification and appraisal features.
Who Built It?
AIBY
Empowering users with AI-driven utility and personalization tools designed to streamline productivity, health tracking, and digital self-expression.
Portfolio
13
Apps
What other apps does AIBY make?
Plantum - AI Plant Identifier
OnSkin: Beauty Product Scanner
Interium - AI Interior Design
HitMeal Calorie & Food Tracker
Coin ID: Coin Value Identifier
AI Photo Generator: ARTA
Explore the full AIBY report
Portfolio breakdown, audience, momentum, and every app published by AIBY.
What do users think recently?
High confidence · Latest 60 of 121 total reviews analyzed · Based on 121 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a frustrated sentiment. Users appreciate the core identification feature provides quick results for users who capture clear, high-quality photographs, but report inaccurate identification results across multiple attempts on the same specimen frustrate users seeking reliable data and aggressive paywall mechanics and subscription traps prevent users from testing the core functionality effectively.
What Users Love
What Frustrates Users
How have ratings & review volume moved?
Rating, review sentiment, and total reviews over time, with release markers showing the post-launch impact.
Vertical markers = app releases. Hover any release for the post-release impact delta.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Rock ID - Stone Identifier?
How's The Education Market?
How does it evolve in the Education market?
Rock ID holds the #189 Free and #142 Grossing positions in the US Education category. The disparity between its free-tier reach and grossing rank indicates that monetization friction is currently suppressing revenue conversion.
Rank progression
19 active rankings tracked — 30-day window
Which niche is Rock ID - Stone Identifier in?
to identify and catalog rocks and minerals
Explore the full Geology Scanners niche
Every app in this space — 6 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
With over 114,000 reviews, this app dominates the specific rock identification niche, dwarfing the target's user base.
Differentiators
- Maintains a massive, crowd-sourced database of mineral samples that improves identification accuracy over time.
- Offers a specialized 'collection' feature that gamifies the user experience for amateur geologists.
- Aggressive release cadence of 3 updates in the last six months ensures high platform stability.
Head to head
The target app must pivot toward community-driven features or deeper educational content to compete with the nemesis's established data moat.
Contenders(1)
A direct niche competitor that mirrors the target's core functionality with a focus on scanner-first UX.
Differentiators
- Prioritizes a camera-first interface that minimizes clicks to reach the identification scanner screen.
- Uses a simplified, single-purpose navigation structure that avoids the clutter of broader educational content.
Same space(4)
High-velocity competitor in the identification space with massive scale and aggressive feature deployment.
Differentiators
- Deploys frequent, iterative updates to the identification engine to maintain high accuracy across diverse species.
- Uses a broad, multi-feature approach that includes plant disease diagnosis and watering automation tools.
Adjacent educational category leader that excels in AR-based identification and high-fidelity visual rendering.
Differentiators
- Features a high-fidelity, real-time AR overlay that provides a superior visual experience for outdoor exploration.
- Maintains a long-standing reputation for professional-grade accuracy in astronomical data and celestial tracking.
Adjacent category leader demonstrating how to monetize identification apps through subscription-based care guides.
Differentiators
- Bundles identification with personalized care schedules and automated reminders to drive daily active usage.
- Utilizes a high-frequency update cycle to rapidly iterate on AI-driven plant health diagnostic tools.
A dominant player in the broader 'nature identification' category, serving as a benchmark for identification UX.
Differentiators
- Leverages a massive, scientifically-verified botanical database that sets the industry standard for identification accuracy.
- Operates as a non-profit, community-driven platform which builds significant brand trust compared to commercial apps.
New entrants(1)
A recent entrant focusing on the high-intent gemstone sub-niche with a high update frequency.
Differentiators
- Targets a specific, high-value sub-niche of gemstone collectors rather than the broader rock identification market.
- Maintains a rapid development cycle to quickly incorporate user feedback into the identification algorithm.
Compare Rock ID - Stone Identifier against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Rock ID - Stone Identifier
Strengths to defend, gaps to attack
Core Strengths
- Custom collections create persistent user-generated archives
- Identification history increases switching costs
Critical Frictions
- Premium tier at weekly/monthly/annual billing lacks transparency
- 0.1★ Android-iOS rating gap indicates platform-specific instability
Growth Levers
- Education partnerships untapped as B2B distribution
- Community-verified identification logic could restore trust
Market Threats
- Rock Identifier: Stone ID's 114,000+ reviews create a significant trust barrier
- EU data-minimization tightening on Education category
What are the next best moves?
Pivot identification logic to include user-submitted verification because accuracy complaints are the top churn driver → improve retention
Sentiment analysis identifies inaccurate identification as the primary driver of negative reviews.
Trade-off: Pause the gem appraisal feature expansion — identification accuracy is a higher-priority retention lever.
Soften the paywall during the initial scan because users report being blocked from testing core utility → increase conversion
User complaints highlight that aggressive paywall prompts prevent testing of the core camera feature.
Trade-off: Delay the new geology knowledge base content — fixing the funnel has a higher revenue impact.
A counter-intuitive read
The app's aggressive paywall is not just a monetization tactic but a survival mechanism to offset the high cost of AI-model queries on inaccurate identification results.
Feature Gaps vs Competitors
- Community-verified identification database (available in Rock Identifier: Stone ID but absent here)
- Gamified collection milestones (available in Rock Identifier: Stone ID but absent here)
Key Takeaways
Rock ID provides a functional scanner but fails to build trust due to identification errors, so the PM must prioritize engine accuracy over new content to prevent churn to competitors.
Where Is It Heading?
Declining
The mineral identification market is consolidating around apps that offer community-verified accuracy, leaving Rock ID exposed. Without a shift toward reliable identification, the app will continue to lose market share to competitors that prioritize data trust over aggressive monetization.
Persistent identification inaccuracies in the latest release drive negative sentiment, which compounds the rating drag already visible on Android.
Aggressive subscription prompts during the identification flow trigger high churn, preventing the app from building a sustainable user base.