StoneSnap - ID Crystals Rocks

Point your camera at any rock, mineral, or crystal — StoneSnap identifies it in seconds using AI. Get the name, formation type, hardness, common locations, and more. Build a personal rock collection, earn XP, and learn geology through quizzes and flashcards.

AI ROCK & MINERAL IDENTIFICATION
• Identify rocks, minerals, crystals, and gemstones instantly
• Powered by Gemini AI — accurate identifications with detailed info
• Learn hardness (Mohs scale), luster, cleavage, formation type
• Find out where each rock forms and where it is commonly found
• Chat with Rocky, your AI geology guide, for deeper questions
• Identify from a photo or live camera

PERSONAL ROCK COLLECTION
• Save every identification to your personal rock collection
• Browse, search, and organize your finds
• Each entry includes the full ID report with photos
• Track your collection growth over time
• 5 free identifications — unlimited with Pro

LEARN GEOLOGY — QUIZZES & FLASHCARDS
• Geology quizzes test your knowledge on rock and mineral types
• Flashcard decks for learning minerals, crystals, and gemstones
• Earn XP for every identification, quiz, and flashcard completed
• Level up and track your geology expertise
• Learning hub covers igneous, sedimentary, and metamorphic rocks
• Reference guide with 34 rock and mineral types built in

MAGNETIC DETECTOR
• Built-in magnetic field detector using your phone's sensor
• Detect magnetite, lodestone, and magnetic minerals in the field
• Real-time readings on your screen

KID MODE
• Simplified interface designed for young rock collectors
• Safe, ad-free experience for kids
• Encourages outdoor exploration and STEM curiosity
• Great for school geology projects and nature walks

FREE FEATURES
• 5 rock and mineral identifications
• Browse the full geology reference library
• Magnetic detector
• Quizzes and flashcards
• Kid mode

PRO — $4.99/month (3-day free trial)
• Unlimited AI rock and mineral identifications
• Unlimited crystal and gemstone ID
• Full personal rock collection with unlimited saves
• Rocky AI geology chat — unlimited questions
• Ad-free experience

WHAT STONESNAP IDENTIFIES
Granite, quartz, obsidian, basalt, sandstone, limestone, marble, slate, schist, gneiss, feldspar, mica, pyrite, hematite, magnetite, calcite, fluorite, amethyst, rose quartz, citrine, jasper, agate, opal, turquoise, malachite, azurite, garnet, topaz, tourmaline, and more.

Whether you found a rock on a hike, at the beach, or in your backyard — StoneSnap tells you exactly what it is.

Download StoneSnap and start building your collection.

Learn more at stonesnapapp.com

Recent changes:
StoneSnap now speaks your language.

The entire app — every screen, all rock and mineral descriptions, lessons and quizzes — is now available in Spanish, French, German and Portuguese. AI identifications come back in your language too, not just the menus.

Also in this update:
• Updated for Android 16
• Fixed English text on the camera screen