# GemBrain: Crystal Identifier > Snap a photo to identify gems. AI scanner with healing guides & collection tools Canonical page: [https://chrome-stats.com/d/com.gembrain](https://chrome-stats.com/d/com.gembrain) ## Overview - **ID:** `com.gembrain` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Apparent Group Limited - **Category:** BOOKS\_AND\_REFERENCE - **Downloads:** 933 - **Rating:** 2.20 / 5 (21 ratings) - **Version:** 2.2.27 - **Last updated:** 2026-09-23 - **First published:** 2026-03-18 - **Publisher country:** HK - **Size:** 90 MB - **Data as of:** 2026-09-25 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.gembrain) - **Privacy policy:** [https://www.gembrain.me/privacy-policy.html](https://www.gembrain.me/privacy-policy.html) ## Description GemBrain is an AI-powered gemstone identifier for Android. Snap a photo of any stone, crystal, or mineral and get an instant identification, complete with confidence scores, detailed properties, and an estimated market value. Results take seconds, not days.

Whether you found something interesting on a hike or you need to evaluate a specimen before buying, GemBrain takes the guesswork out of gemstone identification. Our AI analyzes color, luster, structure, and surface texture to deliver accurate results every time. No geology background needed.

INSTANT AI IDENTIFICATION
Point your camera at any stone and get a detailed identification in seconds. GemBrain covers thousands of gemstone species and delivers results with confidence scores so you know how certain the match is.

MARKET VALUATION
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. Know what you have before you buy or sell.

REAL VS. FAKE DETECTION
Our exclusive guides teach you how to spot synthetic and imitation specimens. Visual tests, touch tests, and expert techniques for popular stones like diamonds, emeralds, and rubies. Verify authenticity before making costly mistakes.

BUILD YOUR ROCK COLLECTION
Manage your personal collection with our rarity tracking system. Every identified specimen gets a rarity score from S to C. Track your stats, earn achievements, and see your highlights including rarest find, unique species identified, total scans, and active streak.

AI CHAT ASSISTANT
Ask GemBrain anything about gemstone properties, crystal healing uses, care instructions, or market trends. Get detailed answers instantly without needing to search elsewhere.

DISCOVERY LIBRARY
Browse educational articles, crystal healing guides, birthstone profiles, real vs. fake stone comparisons, and tips for selecting quality specimens. Useful for collectors, healing enthusiasts, rockhounding hobbyists, and geology students.

MAGNETIC STONE DETECTOR
GemBrain includes a built-in metal detector using your phone's magnetometer sensor. Test specimens for magnetic properties, detect iron-based minerals, and add another tool to your identification process. Move your phone around any specimen for real-time readings.

Download GemBrain and start identifying the stones around you with accuracy. ## Rankings - #1,189,609 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_CUSTOM_AUDIENCE` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.ACCESS_NOTIFICATION_POLICY` - `android.permission.CAMERA` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.READ_EXTERNAL_STORAGE` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.SCHEDULE_EXACT_ALARM` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.gembrain.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.google.android.providers.gsf.permission.READ_GSERVICES` ## Similar extensions and apps - [Gemstone Identifier](https://chrome-stats.com/d/com.gemstone.identifier) — 3,291 users, 4.47 / 5 - [Gemstone Identifier](https://chrome-stats.com/d/com.mdtech.gemstone.identifier.android) — 1,314 users - [Gemstone Identifier](https://chrome-stats.com/d/com.tlt.androidapps.gemstone) — 2,094 users - [AI Rock Scanner: Crystal ID](https://chrome-stats.com/d/com.rock.ai.rock.identifier) — 17,119 users, 3.71 / 5 - [AI Crystal Scanner](https://chrome-stats.com/d/com.crystalidentifier.app) — 75 users - [Rock Identifier - Crystals ID](https://chrome-stats.com/d/net.centriqo.rockidentifier) — 66 users - [Crystal & Stone Identifier](https://chrome-stats.com/d/com.eternalbeam.crystalidentifier) — 10,334 users, 4.11 / 5 - [AI Rock & Stone Gem Identifier](https://chrome-stats.com/d/com.rockidentifier.hru) — 1,505 users - [Crystal ID - AI Gem Scanner](https://chrome-stats.com/d/it.simpelnem.crystalid) — 842 users - [Rock Identifier: Stone & Gem](https://chrome-stats.com/d/com.rock.identifier) — 101 users - [Rock Identifier: Gem Stone AI](https://chrome-stats.com/d/com.kawaii.rockidentifier) — 1,520 users, 4.22 / 5 - [GemstoneAI: Jewelry Identifier](https://chrome-stats.com/d/com.gemstoneai.app) — 486 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.gembrain)