Report updated Jun 11, 2026
Mineralogy Database by e-Rocks
For mineral collectors, researchers, and dealers seeking a specialized marketplace and reference database for geological specimens.
Mineralogy Database by e-Rocks is a well-regarded utilities app that is free with in-app purchases. With a 3.0/5 rating from 2 reviews, it maintains solid user satisfaction. Users particularly appreciate detailed mineral descriptions provide educational value for both novice and experienced geology enthusiasts, though navigation flow breaks when returning from mineral detail pages to the main search interface remains a common concern.
What is Mineralogy Database by e-Rocks?
Mineralogy Database by e-Rocks is a reference and marketplace utility for mineral collectors and researchers on iOS.
Users hire the app to access geological facts and manage collections, but the current navigation friction prevents the app from serving as a primary field tool.
Current Momentum
v1.0 · 62mo ago
Zombie- Last major update released March 2021.
- Content database updated periodically.
What makes this app unique?
What Does It Look Like?
Loading...
What Are The Key Features?
Searchable repository of 6200 mineral species including crystallography, chemistry, and classification data
Direct access to live mineral auctions and fixed-price sales from global sellers
Personalized online catalogue for managing collections, provenance, and storage data
How much does it cost?
- Free Registered User: access to research, buying, and bidding
- Collector/Seller/Dealer: tiered memberships for exclusive features and selling tools
Monetization is anchored in a tiered membership model that gates advanced selling and cataloging tools behind collector and dealer status.
Who Built It?
Enrichment in progress
Publisher profile available very soon
What other apps does Mark Wrigley make?
What do users think recently?
Low confidence · 1 reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a excited sentiment. Users appreciate detailed mineral descriptions provide educational value for both novice and experienced geology enthusiasts, but report navigation flow breaks when returning from mineral detail pages to the main search interface.
Limited review volume (1 reviews). Sentiment analysis will deepen as more data lands.
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 Mineralogy Database by e-Rocks?
Where is it available?
Localized markets (1)
How's The Utilities Market?
Market outlook for this category
Available very soon
Which niche is Mineralogy Database by e-Rocks in?
Explore the full Geology Guides niche
Every app in this space — 4 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Same space(4)
This app competes by targeting the same hobbyist demographic, shifting the focus from static reference data to active specimen identification and market valuation.
Differentiators
- Integrates AI-powered identification features that provide immediate, actionable feedback on physical rock specimens for users.
- Includes a digital collection gallery and market valuation tools that encourage long-term user retention and engagement.
It serves the same educational and identification-focused user base but leverages a significantly larger review volume to establish social proof.
Differentiators
- Utilizes advanced AI mineral identification to lower the barrier for entry for amateur geologists and hobbyists.
- Provides integrated market value estimation, turning a simple reference tool into a functional marketplace utility.
Rockd competes by offering professional-grade field observation tools that appeal to the same audience interested in geological data and occurrences.
Differentiators
- Offers robust offline map caching and field observation logging specifically designed for professional geological data collection.
- Leverages institutional backing from the University of Wisconsin-Madison, providing a high level of scientific credibility.
This app targets the same educational niche by combining reference materials with modern AI-driven analysis tools for field use.
Differentiators
- Features unique pencil sketch generation tools that assist users in documenting their geological findings in the field.
- Provides automated formation analysis, offering a more interactive experience than the target's static database approach.
New entrants(1)
While focused on plants, this app represents a threat by applying the same AI-identification model to the broader nature-hobbyist market.
Differentiators
- Employs a 'My Garden' collection feature that could easily be adapted for mineral or rock specimen tracking.
Compare Mineralogy Database by e-Rocks 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 Mineralogy Database by e-Rocks
Strengths to defend, gaps to attack
Core Strengths
- Collector portal membership gate increases switching costs via user-generated collection data
- Offline database access sustains utility for field researchers in remote locations
Critical Frictions
- 3.0-star rating reflects navigation friction in the search interface
- Stalled update cadence since 2021 limits competitive relevance
Growth Levers
- AI-driven specimen identification could lower entry barriers for amateur collectors
- Wearable integration for field logging would capture professional geological data workflows
Market Threats
- AI-identification apps like Mineral Identifier AI capture the hobbyist funnel
- Automated formation analysis in Geology Toolkit threatens the target's static reference utility
What are the next best moves?
Rebuild search navigation flow because unresponsive scrolling is the top-reported complaint → restore discovery loop retention
Navigation bug in search interface forces extra steps, creating friction in the discovery loop.
Trade-off: Pause the database content expansion sprint — navigation stability is a higher churn risk.
Audit AI-identification integration feasibility because competitors use it to lower entry barriers → capture amateur hobbyist segment
Competitors like Mineral Identifier AI use AI to capture the hobbyist demographic.
Trade-off: Delay the social sharing tools update — AI identification is a higher-yield acquisition lever.
A counter-intuitive read
The app's lack of updates is a strategic choice to focus on the e-Rocks marketplace, but this ignores that the database is the primary acquisition funnel for new collectors.
Feature Gaps vs Competitors
- AI-driven mineral identification (available in Mineral Identifier AI but missing here)
- Automated formation analysis (available in Geology Toolkit but missing here)
- Offline map caching (available in Rockd but missing here)
Key Takeaways
The app provides high-value reference data but fails to retain users due to navigation friction and a lack of modern identification features, so the PM should prioritize fixing the search loop before pursuing AI-driven growth.
Where Is It Heading?
Mixed Signals
The mineralogy hobbyist market is shifting toward AI-driven identification and interactive field tools, leaving static database apps exposed. Without a refresh of the core navigation and feature set, the app will continue to lose the amateur segment to more modern, identification-focused rivals.
Stalled update cadence since 2021 leaves the app vulnerable to competitors with modern AI-identification features, eroding the long-term competitive moat.
Persistent navigation bugs in the search interface create friction for new users, which compounds the rating drag and limits organic growth.