# Mineral, Gem, Rock Identifier — AI geology scanner app

> AI-powered rock, mineral, gemstone, and fossil identification app with community features. (iPhone/iPad app by Suganshreyas Vasudevan.)

- Source: https://appshunter.io/ios/app/mineral-gem-rock-identifier/id6760971668 (this page in markdown: same URL + `.md`)
- Developer: [Suganshreyas Vasudevan](https://appshunter.io/developer/1866400377)
- Category: Education, Reference
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 17.0 · 194 MB
- Languages: American English
- Released: 2026-04-30
- Data updated: 2026-09-08
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/mineral-gem-rock-identifier/id6760971668/reviews.md

## What is Mineral, Gem, Rock Identifier?

Identify rocks with AI. See what others are discovering around the world.

Tero is a rock identifier app for curious minds - whether you're on a hike, at the beach, or just found something interesting in your backyard.

SCAN & IDENTIFY WITH AI
Take a photo of any rock, mineral, gemstone, or fossil. Tero's on-device AI identifies it instantly - no internet needed. Get the top candidates with confidence levels, formation type, hardness, and more.

NARROW IT DOWN WITH A QUIZ
Not sure which candidate is right? Tero walks you through simple hands-on tests: scratch it with a coin, hold it to a flashlight, check if a magnet sticks. Each answer dynamically re-ranks the possibilities until you find your best match.

EXPLORE GEOLOGY ON THE MAP
Open the app and explore. Tap anywhere on the map to see what geological formations exist at that location - formation name, age, and what rocks you might find there. Browse rocks found in your city before you even step outside.

COMMUNITY DISCOVERIES
See what other rock enthusiasts are finding near you on the map. Share your own discoveries and contribute to a growing global map of finds. Tap any discovery pin to see the full identification.

BUILD YOUR COLLECTION
Save identified rocks to a personal collection. Track what you've found, where you found it, and build your own digital field notebook.

PRO - DEEPER ANALYSIS
Upgrade to Pro for enhanced AI analysis powered by Google Gemini:
• Detailed reasoning - why we think it's this rock, and why we're not 100% sure
• Learn to Spot - what it's commonly confused with and how to tell them apart
• Collector's Notes - rarity, what makes your specimen special, estimated value
• Verification tips - simple tests to confirm the identification

TERO PRO SUBSCRIPTIONS
• Tero Pro Weekly: $3.99 per week
• Tero Pro Annual: $34.99 per year

Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase.

Privacy Policy: https://roughdraftapps.com/privacy.html
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- AI-powered identification
- On-device AI analysis
- Interactive identification quiz
- Geology map exploration
- Community discovery sharing
- Personal rock collection builder
- Pro analysis features

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Tero - Annual Pro | $34.99 | per year |
| Tero - Weekly Pro | $3.99 | per 7 days |



## Frequently asked questions about Mineral, Gem, Rock Identifier

### How does Mineral, Gem, Rock Identifier identify rocks?

Mineral, Gem, Rock Identifier uses on-device AI to analyze photos of rocks, minerals, gemstones, and fossils. It provides top candidates with confidence levels, formation type, and hardness. For more detailed analysis, users can upgrade to Pro.

### Can I use Mineral, Gem, Rock Identifier offline?

Yes, the core AI identification feature works on-device and does not require an internet connection. This allows you to identify rocks even when you're out exploring without service.

### What are the Pro features in Mineral, Gem, Rock Identifier?

The Pro version offers enhanced AI analysis, including detailed reasoning for identifications, 'Learn to Spot' comparisons, collector's notes on rarity and value, and verification tips. This provides a deeper understanding of your finds.

### How much does Mineral, Gem, Rock Identifier Pro cost?

Tero Pro offers two subscription plans: a weekly subscription for $3.99 and an annual subscription for $34.99. Payments are charged to your Apple ID and subscriptions auto-renew unless cancelled.

### How do I manage my subscription for Mineral, Gem, Rock Identifier?

You can manage and cancel your Tero Pro subscriptions by going to your App Store account settings after purchase. Subscriptions must be cancelled at least 24 hours before the end of the current period to avoid renewal charges.

### What age rating does Mineral, Gem, Rock Identifier have?

Mineral, Gem, Rock Identifier has an age rating of 4+. This indicates it is suitable for young children and general audiences, with no mature content.

### On which devices can I use Mineral, Gem, Rock Identifier?

Mineral, Gem, Rock Identifier is supported on iPhone and iPad devices. This allows for identification and exploration on both mobile and tablet Apple platforms.

### How often is Mineral, Gem, Rock Identifier updated?

The app was last updated on May 30, 2026, with version 1.3. This suggests a relatively recent update, indicating ongoing development and potential for future improvements.

## Version history (last 4 releases)

### 1.3 — 2026-05-30

Behind-the-scenes improvements to keep Tero running smoothly.

This update refines when we ask for an App Store rating and adds anonymous usage insights so we can prioritize the improvements that matter most. Your scans, collection, and discoveries are exactly where you left them - nothing visible has changed.

Thanks for using Tero. If you're enjoying it, a rating helps us a lot.

### 1.2 — 2026-05-28

Small polishes and bug fixes.

### 1.1 — 2026-05-02

Small bug fixes and improvements around paywall flow, review prompts

### 1.0 — 2026-04-30

No release notes.

## More apps by Suganshreyas Vasudevan

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All apps by Suganshreyas Vasudevan: https://appshunter.io/developer/1866400377

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-08.*