Best Free Rock And Mineral Identifier Apps

249+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated September 2026

Rock Identifier is the household name in free rock and mineral identifier, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Free Rock And Mineral Identifier Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Rock Identifier: Stone IDRock Identifier: Stone IDFree4.7★ (80K)NoYesSep 2026
2Rock ID - Stone IdentifierRock ID - Stone IdentifierFree4.4★ (3.1K)NoYesSep 2026
3iRock: Stone & Rock IdentifieriRock: Stone & Rock IdentifierFree4.5★ (406)NoYesSep 2026
4Rock Identifier & Scanner AIRock Identifier & Scanner AIFreeNoNoSep 2026
5Minerals CenterMinerals CenterFree4.6★ (308)NoNoAug 2026
6Stone Identifier - Scan AIStone Identifier - Scan AIFree4.2★ (308)NoNoSep 2026
7Rock & Stone Identifier AppRock & Stone Identifier AppFree4.5★ (142)NoYesSep 2026
8Rock & Crystal IdentifierRock & Crystal IdentifierFree4.6★ (2.6K)YesYesSep 2026

Top Picks for Free Rock And Mineral Identifier

Rock Identifier: Stone ID#1

Rock Identifier: Stone ID by Next Vision Limited

Gem Mineral Crystal Identifier
Editor's Choice
📚 Education
4.7😐(80K ratings)
FreeIn-App Purchases
#24in Education
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Instantly identify rocks, minerals, and gemstones by taking a photo. Access a comprehensive encyclopedia with detailed information on each stone, learn to distinguish real from fake gems, and explore their properties. The app also includes a metal detector and expert consultation.

What We Love

  • 🤩 Accurate rock identification
  • 🤓 Extensive information on rocks
  • 🧠 Helpful for learning about rocks
  • 🪨 Great for rock collectors
  • 🤖 Powerful AI-based identification

Room to Improve

  • 💰 Expensive subscription model
  • 🔢 Limited free scans per day
  • 🔍 Inconsistent accuracy, sometimes wrong
  • 🔀 Gives different results for same rock
  • 🙅‍♀️ Poor customer support
Rock ID - Stone Identifier#2

Rock ID - Stone Identifier by AIBY

Crystal, Mineral, Fossil Guide
Strong Contender
📚 Education
4.4😞(3.1K ratings)
FreeIn-App Purchases
Rock ID - Stone Identifier screenshot 1
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Rock ID - Stone Identifier screenshot 5
Rock ID - Stone Identifier screenshot 6

Instantly identify rocks, minerals, and gems by snapping a photo. Explore detailed profiles, manage your personal collections, and keep a log of all your discoveries. Become a geology expert with this comprehensive guide.

What We Love

  • 👍 Easy to use
  • 🚀 Instant identification
  • 💡 Extensive stone library
  • 🎓 Helpful for education

Room to Improve

  • 🐛 Inconsistent identification accuracy
  • 💰 Paywall after limited free scans
  • 🤔 Questionable reliability for valuable stones
  • 📷 Camera quality issues for small gems
iRock: Stone & Rock Identifier#3

iRock: Stone & Rock Identifier by BerthX

#1 Fossil, Crystal Scanner App
Worth Considering
📚 Education
4.5(406 ratings)
FreeIn-App Purchases
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Identify rocks, minerals, and gemstones instantly with AI. Estimate market value, organize your collection, and track its worth over time. Ideal for enthusiasts looking to streamline identification and collection management.

More Free Rock And Mineral Identifier apps to explore

FAQ about Free Rock And Mineral Identifier

What are the best free rock and mineral identifier apps for iPhone?
Rock Identifier: Stone ID tops our free rock and mineral identifier apps ranking as of September 2026, with a 4.7-star average from 80K App Store ratings, and it's free to download.
Rock Identifier: Stone ID has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ free rock and mineral identifier apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Rock Identifier is a comprehensive app that allows you to identify rocks, crystals, minerals, and gemstones. You can simply take or upload a photo, and the app will provide an instant identification along with detailed information about the stone.
For each identified stone, the app offers detailed information including its Name, Chemical Formula, Hardness, Colour Variations, and main locations where it can be found. It also provides articles on identifying real versus fake gemstones based on various characteristics.