GemBrain: Crystal Identifier

GemBrain turns your iPhone into a powerful AI gemstone identifier. Snap a photo of any stone, crystal, or mineral and get an instant identification with confidence scores, detailed properties, and estimated market value, all in seconds. Whether you're a collector, a healing crystal enthusiast, a rockhounding hobbyist, or simply curious about a stone you've found, GemBrain makes expert-level gemstone identification accessible to everyone. IDENTIFY GEMSTONES WITH CONFIDENCE Our advanced AI analyzes color, luster, structure, and surface texture to deliver accurate identifications every time. Just point your camera and let GemBrain do the work. No geology knowledge required. KNOW WHAT YOUR FINDS ARE WORTH Every scan includes a complete market valuation based on stone type, quality grade, and current pricing data. See estimated price ranges for rough, tumbled, and faceted forms so you always know the value of what you've found. Make buying and selling decisions backed by real market data. SPOT FAKES BEFORE YOU BUY Our Real vs. Fake guides teach you how to detect synthetic and imitation specimens. Learn visual tests, touch tests, and expert techniques for diamonds, emeralds, rubies, and more. Never be fooled again. BUILD YOUR COLLECTION Organize your personal collection with our rarity tracking system. Every identified specimen receives a rarity score from S to C, letting you see which finds are truly rare. Track collection stats, earn achievements, and view your highlights including rarest find, unique species identified, total scans, and active streak. ASK AN EXPERT INSTANTLY Have a question about gemstone properties, healing uses, care instructions, or market trends? Ask GemBrain's AI assistant and get expert answers on demand, with expertise on demand. EXPLORE YOUR DISCOVERY LIBRARY Dive into our educational content with crystal healing guides, birthstone profiles, stone comparisons, and collecting tips. Learn gemstone geology, metaphysical properties, and historical significance from our curated articles. DETECT MAGNETIC STONES GemBrain includes a built-in metal detector using your phone's magnetometer. Test any specimen for magnetic properties, detect iron-based minerals, and add another layer to your identification process. Simply move your phone around any specimen for real-time readings. Trusted by crystal enthusiasts, rockhounding hobbyists, and gem collectors worldwide. Download GemBrain today and start identifying with accuracy. Your next great find is one photo away. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/