223+ iOS apps & games curated and reviewed
The best diamond tester app apps on iPhone average 4.5★ across 223+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
Utilize AI and your phone's camera to instantly estimate diamond authenticity and grade. Identify different diamond types and gemstones, providing detailed information for professionals and consumers alike. Gain confidence in diamond purchases with quick, reliable analysis.
Identify real diamonds, gems, and crystals with a photo. Get information on authenticity and estimated value. Organize your findings in a personal collection.
This entertainment app simulates a lie detector using a fingerprint scan. It randomly determines if the user is telling the truth or lying, providing humorous results for amusement.
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.
Instantly analyze gemstones using your phone's camera. Get AI-powered insights on diamond authenticity, lab-grown indicators, and quality characteristics. Generate shareable PDF reports for your records or transactions.
Instantly identify and test diamonds and gemstones using your phone's camera. This app analyzes stones to estimate authenticity and provides details on Cut, Color, Clarity, and Carat. Organize your collection and track your scanning history.
This app helps diamond dealers quickly identify and verify diamonds. It allows registration of diamonds and subsequent scanning to confirm authenticity. It can also check the condition of prongs on mounted diamonds.
Test your reflexes with this one-tap game. Master precise timing to navigate a rising ring around a zigzag line. Compete online or play solo to unlock cosmetic upgrades.
Lead a crowd of stickman warriors through a city, collecting more to build your army. Navigate obstacles, choose the best gates, and battle opponents to reach the end and defeat the final boss. Upgrade your levels and collect coins in this thrilling 3D running game.
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.
Instantly identify rocks, stones, gems, and crystals by taking a photo or uploading an image. Get accurate results in seconds with a rich database and user-friendly interface. Perfect for both geologists and enthusiasts.
Experience the calming art of diamond painting digitally. This app offers a realistic and creative coloring experience with interactive diamond placement and a vast library of artwork. Unlock more content through gameplay or a subscription for exclusive bonuses and ad-free enjoyment.
Access a live marketplace for over 2 million diamonds from hundreds of suppliers. Search by specific criteria, get competitive cash prices, and facilitate secure, insured delivery for immediate purchase.
Identify rocks, minerals, and crystals from photos with high accuracy. Explore their properties, discover nearby deposits on a map, and build your own digital collection. Learn fascinating facts about stones from around the world.
This app offers a collection of classic block puzzle and sliding block games with jewel-themed elements. It provides multiple game modes, including endless play, daily challenges, and special events, designed to relieve stress and exercise the brain. Enjoy over 1200 levels of engaging puzzle-solving without time limits.
Engage in a creative experience by collecting colorful diamonds to craft beautiful and shiny pictures. This app offers a fun way to express your artistic side and create dazzling visual art.