Silver Ring & Metal Detector

By Adam Sanfacon on AppTrack Ninja.

Detect silver content in coins

Strike a coin, hear the truth. Silver Ring & Metal Detector estimates the silver content of ANY coin from the sound it makes — no per-coin database required. Real physics, not guesswork: a coin rings at frequencies set by its size and its metal's stiffness. Silver rings lower and dramatically longer than copper-nickel. Enter the coin's diameter and weight (or pick a preset - Morgans, pre-1965 US coinage, Silver Eagles, Maples, world crowns), balance it on a fingertip, tap its edge, and the app captures and analyzes the ring automatically. • Silver percentage estimate from the ring tone • Inde…

Categories: Productivity, Finance

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