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AI Rock & Gem Identifier
Knows 18 stones. No appraisals
AKIHIRO MATSUYAMA · Education
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App info
- Developer
- AKIHIRO MATSUYAMA
- Category
- Education
- Released
- Sep 29, 2026
- Version
- 1.0 (Sep 29, 2026)
- Price
- Free
- Size
- 39.9 MB
- Requires
- iOS 15.0
- Age rating
- 4+
- Languages
- English, French, German, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Vietnamese
In-app purchases
| Premium (one-time unlock) | $0.99 |
Current prices, App Store US.
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About AI Rock & Gem Identifier
This guide knows 18 stones across 12 mineral groups. Ruby, sapphire, emerald, opal, turquoise, agate, amethyst, garnet, lapis lazuli, malachite, quartz, feldspar, aquamarine, azurite, jasper, rhodochrosite, pyrite, chalcopyrite. That is the whole list. We could have padded it before publishing, but writing all 18 properly beat pretending to know more than we do. The list sits inside the app, visible before you take a single photo. WHEN YOU PHOTOGRAPH A STONE The app never forces a match onto whichever known stone looks closest. When confidence is high enough, it shows up to three candidates, each labeled very similar, similar, or possibly similar, never a single verdict. When confidence is low, no candidate appears and it simply says it could not tell. The same photo returns the same answer however many times you try. WHAT THIS APP WILL NEVER DO Judge whether a stone is genuine.…
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