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CoinKnow: Coin Identifier

CoinKnow: Coin Identifier

coin value checker & scanner

1.6K ratings
39 reviews
🔧 Utilities
Free
In-App Purchases

Details

Released
December 8, 2025
Updated
October 22, 2026

Features

Developer

SenseWake Limited
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About

Identify and assess the value of your coins with advanced scanning technology. Get instant market value estimates, grading recommendations, and detailed error analysis from a single photo. Manage your collection and discover hidden treasures.

✓Accurate coin scanning
✓Copper designation detection
✓Proof finish recognition
✓Rare variety recognition
✓Instant value assessment
✓Collection management tools
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What's New in CoinKnow

2.0.6

October 22, 2026

Added a marketplace system.

2

Subscriptions & In-App Purchases

Premium Annual

Annual paid premium plan for unlimited access Coinknow

$38.991 Year
7 Days trial
How to cancel CoinKnow subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Good Clean App

The app correctly ID coin and grades so far but misses any errors so far unless they are major. Other than that the interface and everything else is really nice compared to others for me
JJessbassman

This is a penny worth over 1000$

You rated it at 22$
Aanglzdove

I want to report shenanigans Officer O’Brady

The app did not catch an obvious chip error and also the fact there’s no reading on the side of this coin. I don’t suggest it. I’m canceling after 10 minutes.
Ffuzzyoldman

Consistently misidentiifies

Consistently misidentifies coin values.
PPchef512

Wrong

Wrong
PPiping345
See 34 more reviews

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FAQ

What does CoinKnow do?

CoinKnow is a mobile application that uses advanced scanning technology to identify coins and assess their value. It provides accurate grading precision, market value estimates, and detailed analysis of coin specifications and potential errors.

What are the key features of CoinKnow?

Key features include accurate coin scanning with grading precision, detection of copper conditions and proof finishes, recognition of rare varieties, and automatic error detection. It also offers instant value assessment from a single photo, full coin specifications, and collection management tools.

Is CoinKnow free to use?

The app offers a free daily scan allowance for users. Additional features and advanced capabilities may require in-app purchases, as indicated by the app's monetization model.

Who is CoinKnow for?

This app is designed for coin collectors, hobbyists, and anyone interested in identifying and determining the value of coins. It's useful for examining inherited coins, purchased collections, or even pocket change to discover potential treasures.

How accurate is the coin identification?

The app provides grading precision within a 2-point range on the Sheldon Scale (1-70), ensuring reliable coin value assessments. Advanced algorithms are employed for accurate coin identification and professional evaluation results.