NGC vs Coin World+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NGC
This app provides coin collectors with access to essential resources from a leading third-party coin grading service. Verify coin certifications, explore population data, manage your collection, and stay updated with the latest news and research.
- Verify NGC Certification
- NGC Census Population Data
- NGC Registry for Collections
- Latest NGC News & Research
- Scan coin barcodes
- Track coin rarity
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The free NGC App gives coin collectors access to many of the most popular resources developed by NGC, a leading third-party coin grading service. This app now includes: • Verify NGC Certification • NGC Census • NGC Registry • The latest NGC news and research The NGC App is available in English, Chinese and German. It’s free, easy to use, and you can take it wherever the hobby takes you. Learn more about the features of the NGC App below. Verify NGC Certification: Scan the barcode on an NGC label with your phone’s camera to instantly verify the coin, view NGC Census population data, view NGC Price Guide values for US coins and add the coin to the NGC Registry. Images are shown for nearly 20 million NGC-certified coins. NGC Census: Browse the NGC Census to see population data for NGC-certified coins by type and grade (including NGC Details grades) to help you research the relative rarity of your coins. NGC Census population data is updated every week. NGC Registry: Register and display your NGC-certified coins and compete against other collectors around the world for recognition and prizes. The NGC Registry helps you to organize your collection, learn more about coins and interact with other collectors. This popular resource now boasts more than 12,000 members, 110,000 registered sets and 1.1 million registered coins from virtually every country. Free images are available for most coins graded by NGC since 2008, so you can spend less time taking photos and more time enjoying the hobby! NGC News & Research: The latest news and research from NGC are posted to the NGC App along with NGC’s complete news archive. Turn on notifications to be among the first to know about important NGC announcements, including special deals, promotions and giveaways. About Numismatic Guaranty Company® (NGC®) NGC is a leading third-party coin authentication, grading and encapsulation service with more than 43 million coins certified. Founded in 1987, NGC backs each graded coin with the comprehensive NGC Guarantee of authenticity and grade. NGC's reputation has been built on providing the high level of accuracy, consistency and integrity that its customers expect. Learn more at NGCcoin.com.
Coin World+
This app helps coin collectors manage their collections, identify coins, and discover their value. It offers features for tracking your portfolio, building wishlists, and securely tagging your coins with NFC technology. Connect with other collectors and find buyers for your items.
- Manage coin portfolio
- Build wantlists
- Scan and identify coins
- Digitally authenticate coins
- View coin values and sale history
- Secure NFC tagging
- Connect with buyers and collectors
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Get a complete picture of coins from their history and grading to the Coin Values you've come to trust from Coin World (since 1960) and more. Your coins have a voice. Discover it with Coin World+. App features: - Manage your Portfolio - Build a Wantlist - Scan to add coins - Digitally authenticate your coins - Identify coins with a tap - See coin values, sale history and grading service data - Tag coins securely with NFC technology - Easily find buyers for specific coins - Search and shop leading marketplaces - Message other collectors - Transact with them in-app - Control your privacy
Screenshots
Verdict
The clearest difference is ads: NGC at none against Coin World+'s shown. NGC also leads on monetization model (free vs ad-supported) and ratings volume (76 vs 22). Coin World+'s advantage is iOS requirement (9.0 vs 15.1). On price, rating, review sentiment and update cadence there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 2.1 for NGC against 2.0 for Coin World+. Both are backed by a comparable volume of ratings — 76 and 22 respectively. Written reviews are what separate them: 6% of NGC's written reviews are positive against 0% of Coin World+'s.
NGC ships an update every 2 months, Coin World+ every 6 weeks. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.
| Parameter | NGC | Coin World+ |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (76 ratings) — better | 2.0 (22 ratings) |
| Positive reviews | 6.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 76 — better | 22 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 9.0 — better |
| Further details — not scored | ||
| Size | 69 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Numismatic Guaranty Corporation | Amos Media Company |
Customer experience
NGC
Coin World+
Bugs and requests
NGC
Reported bugs
20 issues- App crashes when scanning barcodes
- App crashes when entering certification numbers manually
- Login credentials not accepted despite working on website
- Barcode scanner detects but doesn't process codes
- Price guide values not displaying
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- Coin photos missing or not loading
- App logs out after closing
- Scanning functionality broken for months
- Manual entry returns 'feature unavailable' error
- Census data not loading or incomplete
- App won't open or displays blank screen
- Scanner focuses incorrectly on newer phones
- Infinite loop when dismissing error popups
- Sign in button not visible/clickable
- App incompatible with iOS 14.2 and newer
- Unable to view saved coins in registry
- Coins added to collection disappear after app restart
- Navigation icons and graphics not rendering
- App freezes during barcode scanning
- Settings menu non-functional
Requested features
15 requests- Total collection value calculation
- Persistent login sessions
- Improved barcode/QR code scanning
- Price guide integration
- Coin photo display
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- Submission tracking within app
- Collection inventory management
- Mintage information display
- Zoom functionality for verification
- Data persistence across sessions
- iPad/tablet support
- Melt value information
- Better search and filtering options
- Automatic coin photo capture
- Improved UI/UX design
Coin World+
Not enough reviews yet to summarise bugs or requests.
In-app purchases
NGC
No in-app purchases
Coin World+
No in-app purchases
