11 Best Free Coin Identifier and Value Apps
Looking for a free coin identifier and value app? Whether you've inherited a coin collection or found some old coins in your attic, these apps help you instantly identify coins and check their worth—all from your smartphone.
Here are the 11 best coin identifier apps to try in 2025.
11 Best Free Coin Identifier and Value
1. CoinKnow
CoinKnow is an AI-powered coin identifier and value app that delivers exceptional accuracy for US coin collectors. Simply snap a photo, and the app identifies your coin's mint year, mint mark, and denomination instantly.
What sets CoinKnow apart is its 2-point grading accuracy on the Sheldon Scale (1-70)—the tightest range among coin identifier apps.
The app also features automatic error coin detection, catching doubled dies, missing mint marks, and other valuable varieties that could be worth serious money.
Pros:
- Industry-leading 2-point Sheldon Scale grading accuracy
- Automatic rare error coin detection
- Monthly price updates reflecting current market values
- Copper color designation (Red, Red-Brown, Brown) for accurate valuation
- Daily free scans available
Cons:
Primarily focused on US coins
2. CoinValueChecker
CoinValueChecker excels at providing comprehensive market intelligence alongside coin identification. Like CoinKnow, it automatically identifies rare errors that command premium prices.
The standout feature is its market analysis suite—track price movements over time, monitor auction results, set alerts for specific coins, and see collector leaderboards.
The app grades coins within 2-3 Sheldon Scale points, giving you reliable estimates for buying or selling decisions.
Pros:
- Real-time market trend analysis and auction tracking
- Automatic rare error detection
- Price alerts for specific coins
- Robust collection management tools
- Comprehensive US coin database
Cons:
- Feature-rich interface may overwhelm beginners
- Focused primarily on US coins
3. Coinoscope
With over 1.7 million downloads and a 4.5-star rating, Coinoscope has built a strong reputation in the coin identification space. The app uses visual search technology to match your coin against an extensive global database.
Coinoscope also includes a marketplace feature where you can buy and sell coins directly within the app, making it a complete ecosystem for collectors.
Pros:
- Massive global coin database
- Built-in marketplace for buying/selling
- Strong community of 180,000+ monthly users
- Works well with international coins
Cons:
- Manual search process requires patience
- Some numismatic knowledge helpful for best results
4. CoinSnap
CoinSnap delivers fast, AI-powered recognition covering over 240,000 coin types worldwide with 99% claimed accuracy. It's perfect for users who want quick answers without complicated settings.
The app distinguishes between Mint State and Proof strikes while providing general grade estimates. Its collection management feature lets you organize coins by series and track total value.
Pros:
- Lightning-fast identification
- Extensive worldwide database
- Simple, intuitive interface
- Decent grading for common coins
Cons:
- Pricing estimates can be broad ranges
- Lacks advanced error coin detection
- Premium features require subscription
5. HeritCoin
HeritCoin stands out by being genuinely free without aggressive subscription pushes. With 4.7 stars from over 55,000 users, it's proven its value in the market.
The unique 3D coin modeling feature captures every detail for more accurate valuation. The app handles ancient coins, error coins, and rare varieties effectively.
Pros:
- Truly free with full feature access
- Innovative 3D coin modeling technology
- Supports ancient and error coins
- Expert appraisal services available
- No subscription pressure
Cons:
- Accuracy issues with very old or obscure coins
- Value estimates can vary significantly
6. PCGS CoinFacts
Created by Professional Coin Grading Service, PCGS CoinFacts is the industry standard for serious collectors. The app provides access to over 39,000 US coins with detailed price histories, population reports, and expert analysis.
Features include barcode scanning for PCGS/NGC graded coins, complete population statistics spanning 30+ years, and over 3.2 million auction prices realized.
Pros:
- Authoritative industry-standard data
- 39,000+ US coins with detailed information
- 30+ years of population statistics
- 3.2 million auction price records
- 100% free to use
Cons:
- Not designed for quick photo identification
- US coins focus only
- Steeper learning curve for beginners
7. NGC Coin App
From Numismatic Guaranty Company, the NGC app is essential for collectors with NGC-certified coins. Scan the barcode on any NGC label to instantly verify authenticity and view census data.
The app includes the NGC Registry where you can display your collection and compete with collectors worldwide.
Pros:
- Official NGC certification verification
- Census population data updated weekly
- NGC Registry integration
- Price guide for US coins
- Images for nearly 20 million NGC-certified coins
Cons:
- Limited use for non-certified coins
- App functionality sometimes redirects to website
- Less helpful for international coins
8. Numiis
Numiis combines AI identification with a comprehensive numismatic database covering nearly 30,000 US coins. The app identifies coins including year and mint mark, then provides market values using a proprietary valuation algorithm.
Available as both mobile app and website, giving you flexibility in how you access your collection.
Pros:
- AI + comprehensive database combination
- Historical auction data included
- Cross-platform accessibility
- Constantly improving AI recognition
Cons:
- Only trial period is free
- Primarily US coin focused
9. Maktun
Maktun offers the most comprehensive global coverage with over 300,000 coins and 120,000 banknotes in its database. It's particularly strong with international and less common currencies.
The app supports offline access to your collection and lets you export data in PDF, XLS, or CSV formats.
Pros:
- Massive international database
- Supports both coins and banknotes
- Offline collection access
- Multiple export formats
- Free core features
Cons:
- Photo recognition can be inconsistent
- Interface less polished than competitors
10. Coin Identifier by Next Vision
This AI-powered app delivers fast, reliable results for tech-savvy users. It uses your phone's camera for instant identification and provides essential coin information without overwhelming you with data.
Pros:
- Fast AI-powered recognition
- Clean, intuitive interface
- Good for quick identifications
Cons:
- Some features require in-app purchases
- Less comprehensive than specialized apps
11. SnapCoin
SnapCoin keeps things simple and straightforward. When you need quick answers about a coin's year, country, and basic details, this app delivers without complexity.
Pros:
- Simple, no-frills approach
- Quick identification
- Easy for beginners
Cons:
- Limited advanced features
- Basic valuation only
- Smaller database than competitors
Which App Should You Choose?
- For US coin collectors seeking accuracy: Start with CoinKnow for its unmatched grading precision and automatic error detection.
- For market-focused collectors: CoinValueChecker provides the best market intelligence and price tracking.
- For international coins: Maktun or Coinoscope offer the broadest global coverage.
- For certified coins: PCGS CoinFacts and NGC Coin App are essential references.
- For budget-conscious users: HeritCoin delivers solid features completely free.
Download one or two that match your collecting style and start discovering what treasures might be hiding in your coin collection!
