Mental Arithmetic Helper vs Gold Tester & Identifier

Calculator that can ask questions with random calculation formulas for mental arithmetic practice etc. >Mental arithmetic practice mode When you tap the mental arithmetic practice mode button, questions will be automatically asked at random. *Tap the mental arithmetic practice mode button again to return to a normal calculator.

Gold Tester & Identifier – Scan, Verify & Track Your Gold Instantly Gold Tester & Identifier is your all-in-one smart tool to scan, identify, and analyze gold with ease. Whether you're a collector, investor, jeweler, or simply curious about gold authenticity, this app helps you make informed decisions quickly and confidently. 1. Smart Gold Scanning & Identification (Available via Subscription) Use advanced image recognition technology to scan gold items instantly. Simply take a photo or upload an image, and the app will analyze it to help identify gold type, purity, and characteristics. Perfect for checking gold jewelry, gold bars, coins, and raw gold materials. 2. Detailed Gold Information Get comprehensive insights after every scan: Estimated gold purity (karat level) Visual and structural analysis Identification of real vs fake gold Reference data for different types of gold (24K, 22K, 18K, etc.) 3. Build Your Gold Collection Organize your assets by creating a personal gold collection: Save scanned items Add notes and custom details Manage jewelry, coins, and gold bars in one place Ideal for collectors and investors who want to track their portfolio. 4. Scan History Tracking Never lose track of your activity: View full scan history Revisit previous results anytime Compare different gold items over time * Why Choose Gold Tester & Identifier? Fast and accurate gold identification Easy-to-use interface Helpful for buyers, sellers, and collectors Supports gold verification anytime, anywhere Subscription Information: - Weekly Subscription (includes 3-day free trial) - Yearly Subscription - Payment will be charged to your Apple ID account upon confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period - You can cancel your subscription at any time via your App Store account settings Note: Gold scanning and advanced analysis features require a subscription and are available via in-app purchase. Terms of Use: https://sites.google.com/view/gold-tester-identifier/term-of-use Privacy Policy: https://sites.google.com/view/gold-tester-identifier/privacy-policy