Caratify
Density, Ringsize, Goldcontent
$0.99 · Designed for iPad. Not verified for macOS.
The ultimate tool for jewelry lovers and goldsmiths. Calculate gold content, measure ring sizes, and determine metal density. Secure offline storage.
A comprehensive calculation and inventory tool designed specifically for goldsmiths, jewelers, and precious metal collectors. This application provides precise offline tools for material analysis, casting preparation, and collection management.
CORE FEATURES FOR PROFESSIONALS & COLLECTORS
Density & Specific Gravity Testing: Calculate the density of items to assist in identifying precious metals and detecting irregularities without physical or chemical testing.
Wax-to-Metal Casting Calculator: Accurately convert wax model weights to required metal weights for workshop casting. Includes specific gravity presets for gold alloys, silver, platinum, palladium, and bronze.
Purity & Proportion Analysis: Calculate the exact fine metal content in mixed alloy items and convert between standard purities.
Jewelry Inventory Management: Document your collection entirely on your device. Store item weights, material specifications, appraisal values, and visual records.
Precision Unit Conversion: Instantly convert weights between Karat, Ounces (oz), Grams (g), and Pennyweight (dwt) using industry-standard measurements.
Ring Sizing Tools: Convert and measure ring sizes across international sizing standards.
TECHNICAL SPECIFICATIONS
Local Data Storage: All collection data and images are stored locally on your device. The app functions entirely offline and does not require server connectivity.
Workshop Optimized: Includes a Dark Mode interface tailored for low-light workshop environments to reduce eye strain.
Customizable Parameters: Adjust default units and measurement standards to match your regional workflow.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Nikita Aurelian Schulz, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Nikita Aurelian Schulz
- Size
- 38.8 MB
- Category
- Productivity
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 7 more
- English, German, Hindi, Italian, Japanese, Korean, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Copyright
- © 2026 Nikita Aurelian Schulz

