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TrueStone: Rock Identifier

TrueStone: Rock Identifier

Crystal, Mineral & Stone ID

14 ratings
5 reviews
📚 Education
🔍 Reference
Free
In-App Purchases

Details

Released
July 31, 2026
Updated
September 30, 2026

Features

Developer

prosafe ltd
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iphone
ipad
🧾$2.99
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⭐5
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About

Identify rocks, minerals, and gemstones by taking photos. Get detailed geological information, compare specimens, and build a personal digital collection. Explore crystal lore and ask follow-up questions for deeper learning.

✓Identify rocks from photos
✓Analyze multiple specimen angles
✓Explore geological facts
✓Refine results with guided tests
✓Ask AI follow-up questions
✓Build and export digital collection
✓Discover crystal lore
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What's New in TrueStone

1.0.3

September 30, 2026

Simpler Premium plans. • Premium is now a yearly subscription or a one-time Lifetime purchase • Eligible new subscribers start with a one-week free trial on the yearly plan • Existing monthly subscriptions continue as normal — nothing changes for you

More
3

Subscriptions & In-App Purchases

Premium Monthly

Unlimited identifications and full toolkit.

$5.991 Month
How to cancel TrueStone subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Perfect stone app

Nice stone identifier app, export feature is really useful.
FHFarrow Haugen

Easy to use

Easy to use and helpful rockidentifier app for students.
WLWilcox Lucile

Helpful for beginners

I m new to collecting rocks, and this app makes it easier to learn what I have.
SBSavoy Bradley

Nice learning app

Good app for checking crystals and stones. I like that it gives simple details, not just a name.
KKathleenTerric

Great for rock finds

I used TrueStone on a few rocks I found outside, and the results were easy to understand.
MNMclemore Nicolette

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FAQ

How does TrueStone identify rocks?

TrueStone uses artificial intelligence to analyze photographs of rocks, crystals, minerals, and gemstones. It suggests the most likely identification based on visible characteristics and provides up to three possible matches with confidence labels.

Can I use multiple photos for identification in TrueStone?

Yes, you can add up to three photos from different angles for a single specimen. This helps TrueStone examine more visible details and improve the accuracy of the identification.

What kind of geological information does TrueStone provide?

TrueStone offers detailed geological facts including chemical composition, Mohs hardness, color variations, luster, transparency, streak, cleavage, fracture, crystal system, geological formation, common locations, and uses.

Does TrueStone offer a free trial for its premium features?

Yes, eligible new subscribers receive a free trial for their first year on the yearly Premium plan. After the trial, it renews at the standard yearly price.

How can I manage my identified specimens with TrueStone?

You can build a private digital collection by saving specimen photos, identification results, favorites, tags, dates, location notes, personal notes, and guided observations within the app.

Can I export my collection from TrueStone?

Yes, TrueStone allows you to create a printable PDF of selected specimens or export your entire collection as a CSV file. These exports can be saved or shared using standard iOS share options.

What are the subscription options for TrueStone Premium?

TrueStone offers both monthly and yearly subscription options for its Premium service. Prices are displayed before purchase and may vary by country.

Is TrueStone suitable for younger users?

TrueStone is rated for ages 4 and up, making it accessible for younger users interested in learning about rocks and minerals. The app provides educational content in an understandable format.