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Unlike Card Boss which requires an iOS or Android app, CardGrade.io works instantly in your web browser. Analyze cards from any device without app store downloads or updates.
CGI Vision AI achieves 92.8% accuracy with a variance of only plus-or-minus 0.22 grades, verified against 32,000+ professionally graded cards from PSA and BGS.
Get simultaneous grade predictions for PSA, BGS, and CGC with every analysis. Make informed decisions about which grading company to submit each card to.
Every card is analyzed across 47 inspection points covering centering, corners, edges, and surface condition. Get detailed sub-grade breakdowns, not just a final number.
Download professional PDF reports with complete grade analysis, confidence scores, and current market value estimates. Perfect for selling or insurance documentation.
Process up to 50 cards at once with batch analysis. Ideal for dealers, shops, and serious collectors who need to screen large collections efficiently.
| Feature | CardGrade.io | Card Boss |
|---|---|---|
| Platform | Web app (any browser) | iOS & Android app |
| AI Accuracy | 92.8% (±0.22 variance) | Not disclosed |
| Grade Predictions | PSA, BGS, CGC | Single grade |
| Inspection Depth | 47 inspection points | Patented AI scan |
| PDF Reports | Included with market values | Not available |
| Bulk Analysis | Up to 50 cards | Single card scanning |
| Free Tier | 3 free credits | Basic free tier |
| Pricing | From $0.25/card | Not disclosed |
CardGrade.io offers several advantages over Card Boss: web-based access without app downloads, 92.8% verified accuracy, multi-company grade predictions (PSA, BGS, CGC), detailed 47-point inspections, PDF reports with market values, and bulk analysis for up to 50 cards.
CardGrade.io achieves 92.8% accuracy with a plus-or-minus 0.22 grade variance, verified against actual PSA and BGS submissions from 32,000+ professionally graded cards. Card Boss does not publicly share comparable accuracy data.
Yes. CardGrade.io is entirely web-based and works in any browser on any device, including phones, tablets, and desktops. There is no app to download or update. Just open your browser and start analyzing cards.
Yes. Every CardGrade.io analysis provides simultaneous predictions for PSA, BGS, and CGC with confidence scores for each. This helps you decide which grading company to submit each card to for the best results.
CardGrade.io offers 3 free credits with no credit card required. Paid plans start at $0.25 per credit. Plans range from Starter ($10/month for 25 credits) to Business ($75/month for 300 credits) with annual discounts.