So fun!
I could scan my rocks all day. Love this app!!
Free
In-App PurchasesWith Ads
About
Instantly identify rocks, minerals, and gems using your phone's camera. If you can't take a photo, the app guides you through manual identification with simple tests. It also helps distinguish between similar-looking specimens and allows you to save your findings.
✓Identify rocks from photos
✓Manual identification guide
✓Distinguish lookalikes
✓Save collected specimens
✓Sync with rockhounding.org account
✓Free collecting maps
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What's New in Rock ID
1.1.0
September 24, 2026
A new look on every screen: one light design that is easier to read outdoors. Results show how sure the match is, your photo beside a reference photo, the tell that separates a stone from its lookalikes, and a quick streak test. New: where to find it. A map of the places on rockhounding.org where each stone has been found. Safety notes for stones that need care, such as copper, lead and arsenic minerals. Identify by hand uses the same light design with clearer questions. Search the catalogue from the home screen. A new icon.
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Subscriptions & In-App Purchases
Rock ID Pro
Unlimited scans, no ads
$59.991 Year
User reviews
Developer apps
FAQ
How does Rock ID identify rocks?
Rock ID uses your phone's camera to analyze a photo of a rock, mineral, or gem. It provides an identification in seconds, along with potential alternatives if the identification is close.
Can I identify rocks without a photo using Rock ID?
Yes, if you cannot take a photo, Rock ID offers an identification flow where you answer questions about the rock's visible characteristics like color and shine. It then suggests tests to confirm the identity.
Does Rock ID help tell similar rocks apart?
Absolutely. For each identification, Rock ID explains what other stones it might be confused with and provides specific tests, like using a streak plate or vinegar, to differentiate them.
Can I save the rocks I find with Rock ID?
Yes, your scans and collected specimens are saved on your phone. You can also sync them to your free rockhounding.org account to access them across devices.
How much does Rock ID cost?
Rock ID is free to use. Each scan requires watching a short ad, and the manual identification feature is always free. An optional Pro version removes ads and offers unlimited scans for $59.99 per year.
Does Rock ID have ads?
Yes, the free version of Rock ID contains advertisements. Users can opt for Rock ID Pro to remove ads and enjoy unlimited scans.
What is Rock ID Pro?
Rock ID Pro is a subscription service that costs $59.99 per year. It removes all advertisements from the app and provides unlimited scanning capabilities.
What devices does Rock ID support?
Rock ID is available for iPhone and iPod devices, as indicated by the supported devices list.
