SlabMath vs Gradeon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SlabMath
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Should you grade your card? SlabMath gives you the answer — and the math to prove it. We're not just another grade predictor. Anyone can guess a grade. SlabMath tells you if grading is actually worth it by calculating your expected return after grading fees, shipping costs, and real market value. No more guessing. No more losing money on cards that weren’t worth the slab. THE SLABMATH DIFFERENCE Upload your card → Get a grade prediction → See what that grade sells for → Subtract grading costs → Get a clear verdict. Grade It. Sell Raw. Or Hold. SlabMath helps collectors make smarter grading decisions using real data and AI-powered analysis. HOW IT WORKS 1. Snap photos of your card’s front and back 2. AI analyzes centering, corners, edges, and surface condition 3. Receive grade probability estimates (10, 9, 8 or lower ranges) based on industry grading standards 4. View recent market sales data for similar graded cards 5. Factor in grading fees and associated costs 6. Get a data-driven verdict based on expected value FEATURES • AI-powered card condition analysis • Grade probability estimates based on major grading standards • Market price insights from recent sales • Expected value calculation after grading costs • Simple verdict: Grade It, Sell Raw, or Hold SUPPORTED TRADING CARD GAMES SlabMath works with many popular collectible trading card games and card sets from major fantasy, anime, and collectible franchises. WHY COLLECTORS TRUST SLABMATH • Grade prediction plus ROI analysis in one place • Market pricing based on recent sales data • Automatic grading cost calculations • Works across multiple major trading card games Try your first scan free. Upgrade for unlimited access. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Disclaimer SlabMath is an independent card grading analysis tool and is not affiliated with, endorsed by, or sponsored by any trading card publishers, brands, or grading companies. All trademarks, game titles, and brand names are the property of their respective owners.
Gradeon
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Gradeon uses AI to scan, grade, and track your trading card collection. Get instant condition grades, real-time market prices from Ebay, Cardmarket and TCGplayer, and manage your entire portfolio in one place. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.gradeon.ai/privacy
Screenshots
Verdict
The clearest difference is rating: SlabMath at 5.0 against Gradeon's 1.0. SlabMath also leads on iOS requirement (14.0 vs 16.4). On price, ratings volume, ads and in-app purchases 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. SlabMath sells 3 in-app purchases, starting at $4.99 per month and Gradeon sells 6 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
SlabMath holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
| Parameter | SlabMath | Gradeon |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | — | Every 2 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 8 MB | 79 MB |
| Age rating | 4+ | 12+ |
| Developer | SLABMATH LLC | Federico Vietti |
In-app purchases
SlabMath
- Pro$4.991 Month
- Master$9.991 Month
- Elite$49.991 Month
Gradeon
- Gradeon Pro Monthly7 Days trial$7.991 Month
- Gradeon Pro Yearly7 Days trial$69.991 Year
- 2 Scan Tokens$1.99
- 5 Scan Tokens$3.99
- 15 Scan Tokens$9.99
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- 50 Scan Tokens$22.99









