Coin Gauge: Coin Identifier
Scan Value, Grade & Coin ID
About
Instantly identify and value any coin with a quick scan. Get detailed information on history, rarity, and market value, plus expert grading insights. Track your collection's worth in real-time.
What's New in Coin Gauge
1.5
July 16, 2026
Discover the app like never before with our new preview video, now available on the App Store. Behind the scenes, we’ve made refinements to deliver an even better experience.
MoreSubscription plans
Weekly Unlimited Identification
Weekly Unlimited Identification for all coins
In-App Purchases
$1.99
Estimate Collection Value
Estimate Collection Worth for All Coins
Developer apps
FAQ
How accurate is Coin Gauge's coin identification?
Coin Gauge boasts 99% accuracy in its coin identification, utilizing a wide database and AI technology to scan both sides of any coin, even worn or ancient ones.
What information does Coin Gauge provide about identified coins?
Each identified coin comes with its full history, origin, mint count, production year, current and historical market value, grading insights from experts, and collector demand ratings.
Can Coin Gauge help me grade my coins?
Yes, Coin Gauge features a Sheldon scale grading engine that assigns a grade from Poor (P-1) to Gem Uncirculated (MS-65), detailing surface quality, strike, and luster to show how grade affects value.
Does Coin Gauge detect rare or error coins?
Absolutely. The Coin ID system flags rare variants, error coins, or overlooked variants that can significantly increase a coin's worth, providing a rarity and grade breakdown with each scan.
How does Coin Gauge help with my coin collection?
You can organize your coins by country or value within the app and track your entire collection's total worth, which is updated in real-time as market prices change.
What is the cost of Coin Gauge?
Coin Gauge is free to download and use for basic identification. Premium features, including unlimited scans and advanced grading reports, are available through subscription plans starting at $3.99 weekly.
What devices does Coin Gauge support?
Coin Gauge is available for iPhone and iPod devices, with an age rating of 4+.
How often is Coin Gauge updated?
The app was last updated on June 30, 2026, with version 1.2. This indicates regular updates to improve functionality and expand its database.