Card Grading AI vs CenterMint
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Card Grading AI
This app uses AI to predict the grade of your trading cards, including Pokémon, Lorcana, and MTG. Upload images of your cards to get instant analysis of centering, edges, surface, and corners, along with a predicted grade score. It's designed for collectors and resellers to evaluate their collections before official grading.
- AI-powered card grading predictions
- Supports Pokémon, Lorcana, MTG, Yu-Gi-Oh!
- Analyzes centering, edges, surface, corners
- Instant predicted grade score
- Digital pre-grading assistant
- Trained on thousands of graded cards
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Estimate your card's grade before you submit it for professional grading. Photograph the front and back to review centering, corners, edges and surface with Card Grading AI. AI GRADING & CENTERING • Get an estimated grade with all four subgrades. • Check border alignment with the dedicated centering tool. • Revisit your grading history and digital slabs. YOUR PORTFOLIO & CARD CATALOG • Build your collection and follow its estimated value using available market prices. • Browse supported cards and sets in the TCG catalog. • Track the cards you own and find the ones you still need. MORE TO EXPLORE Discover Top Singles, Best to Grade and Top Sealed lists for ideas to research. Check the update dates shown in the app when reviewing these lists. FOR TCG & SPORTS CARD COLLECTORS Use CGA with Pokémon, sports cards, Magic: The Gathering, Yu-Gi-Oh! and Disney Lorcana. Catalog coverage and available prices vary by card and set. FREE DOWNLOAD & OPTIONAL UPGRADES Some features require an in-app purchase. See the app for available plans and included features. ABOUT AI ESTIMATES Results are estimates based on your photos, not authentication or official certification. Lighting, glare, sleeves and hidden defects can affect the result. Professional grades may differ. CGA is independent and is not affiliated with professional grading companies or the owners of the card brands mentioned. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
CenterMint
Analyze the centering of trading cards from a single photo to determine their grading potential. It calculates border ratios and provides insights into whether a card is worth submitting for professional grading, with options for detailed analysis and submission tracking.
- Automatic centering measurement
- Border ratio calculation
- Grading standards comparison
- Worth Grading? profit calculator
- Submission log
- Corner and edge close-ups
- Line-by-line manual adjustment
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Is this card worth grading, and what is it worth? Measure its centering from one photo, then see what it sells for in Japan, the US and Europe. CenterMint finds the cut edge and the printed border on all four sides of a raw card, shows the left/right and top/bottom ratios, and tells you the best centering grade they allow under common published standards (PSA, BGS, CGC and more). Works with standard-size cards such as Pokémon, One Piece, Magic: The Gathering and sports cards; smaller cards like Yu-Gi-Oh! can be measured too. NEW IN 2.0 • Japanese Pokémon card prices: more than 30,000 cards, from promos and high rarities to Master Ball mirrors. Pick your market (Japan in yen, the US in dollars, Europe in euros) and see recent sales and a 30-day chart. • English version prices too, when it is clearly the same card, so you can tell which print is cheaper. • No recent sales? It says so and shows a shop price or the lowest listing, clearly labeled, instead of guessing. • Follow cards and get a price alert when one moves 5%, 10% or 20% (you choose). Alerts on 3 cards are free. • Worth Grading? now finds the card in the catalog and fills in its prices for you. • Line styles made for the card in your hand: white borders, black borders and foil. • The app speaks 15 languages. Prices are for reference only, not buying or selling advice. HOW IT WORKS • Take a photo or import one. The frames are found automatically. • Not sure about a line? CenterMint takes you to the least certain one first, with the magnifier already on it. Tap "Looks Right" to move on, or nudge it a pixel at a time with the magnifier, pixel grid and edge profile. • Save the front and back as a pair, search your history, and share a clean image. FREE • Automatic centering for raw cards, a 1x–50x magnifier and manual adjustment • Border widths in mm or inches • Corner and edge close-ups on 3 cards a week, one batch of up to 5 photos a week, Worth Grading? on one card • Card prices, the 30-day chart and alerts on 3 cards The free version shows ads. CENTERMINT PRO No ads, graded prices (PSA 10, PSA 9 and more) with full history, unlimited price alerts, Worth Grading?, corner and edge close-ups, a submission log, a decision assistant that sorts cards into submit / fix first / below target, batch scanning of up to 50 photos, a submission checklist PDF, report images, 4K enhanced view and export, CSV export and saved presets. Choose monthly or yearly (yearly starts with a 1-week free trial); prices are shown in the app. Subscriptions renew automatically unless canceled at least 24 hours before the end of the period. Manage them in your Apple Account settings. GOOD TO KNOW • Automatic measurement is for raw cards. For a card in a sleeve, top loader or slab, you line up the edges yourself; CenterMint tells you when it sees a sleeve. • It measures centering only. Corners, edges and surface are for your own eyes, and no grade is ever promised. • Centering standards are references based on each company's published guidelines. CenterMint is an independent app, not affiliated with PSA, Beckett (BGS), CGC or any grading company, or with any card publisher. Pokémon, One Piece, Yu-Gi-Oh! and Magic: The Gathering are trademarks of their respective owners. Measurement runs on your device and needs no account. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://centermint.app/privacy
Screenshots
Verdict
The clearest difference is ratings volume: Card Grading AI at 608 against CenterMint's 1. Card Grading AI also leads on iOS requirement (15.0 vs 17.0). CenterMint's advantage is update cadence (every 3 days vs every 10 days) and rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model 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. Card Grading AI sells 6 in-app purchases, starting at $9.99 per month and CenterMint sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
CenterMint holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Card Grading AI has 608 ratings behind it against 1, so its average is the more settled of the two.
Card Grading AI ships an update every 10 days, CenterMint every 3 days. Both last shipped on October 28, 2026.
| Parameter | Card Grading AI | CenterMint |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (608 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 93.0% of reviews | — |
| Number of ratings | 608 — better | 1 |
| Update frequency | Every 10 days | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 74 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Matteo Giannessi | JIAPENG Zhao |
Customer experience
Card Grading AI
CenterMint
In-app purchases
Card Grading AI
- Unlimited Plan1 Month trial$9.991 Month
- Card Grading AI yearly plan$59.991 Year
- Unlimited Plan$19.99
- Pro Plan upgrade$39.99
- Pro plan$49.99
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- CGA Lifetime plan$149.99
CenterMint
- Pro Monthly: Card Centering$4.991 Month
- Pro Yearly: Card Grading Tools7 Days trial$29.991 Year
Questions
Is Card Grading AI free?
Is CenterMint free?
Which has better reviews, Card Grading AI or CenterMint?
Do Card Grading AI or CenterMint have ads?
Which is updated more often, Card Grading AI or CenterMint?
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