Orichalc

Gold spot & jeweler craft

Free · Designed for iPad. Not verified for macOS.

Orichalc is your gold intelligence companion and structured path to jeweler mastery — built for curious collectors, trainees, and working jewelers. KNOW YOUR GOLD • Track live gold spot prices with smart offline caching • Calculate melt values across common karat grades • Explore global assay standards — from US karat to European fineness • Reference hallmarks, bullion facts, and purity ladders in one place MASTER THE BENCH • Learn real techniques: soldering, stone setting, polishing, casting, and repair • Follow step-by-step guides rated by difficulty • Use safety cards, workflows, and workshop checklists at the bench • Start focused practice sessions with Live Activity tracking on your Lock Screen WALK THE GUILD PATH • Progress through structured lessons, quizzes, and flashcards • Build mastery from Curious to Master at your own pace • Study fully offline — learning content is bundled in the app CATALOG YOUR VAULT • Log pieces with karat, weight, notes, and optional photos • See portfolio breakdowns by karat and category • Keep your collection organized and ready for review Orichalc is beautiful, practical, and designed for real workshop use — whether you’re checking spot, studying a technique, or cataloging your next piece.

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The developer, David Jenkins, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Seller
    • David Jenkins
    Size
    • 9.9 MB
    Category
    • Education
    Compatibility
    Requires iOS 16.2 or later.
    • iPhone
      Requires iOS 16.2 or later.
    • iPad
      Requires iPadOS 16.2 or later.
    • Mac
      Requires macOS 13.1 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 David Jenkins
  • Developer Website
  • Privacy Policy