Scan & Grade Cards Instantly on Your Phone
Download our mobile app for instant card grading at shows, shops, or home. Just snap a photo with your phone's camera and get professional PSA-style grade estimates in seconds.
Free to download • 2 free scans per month • Works offline
Purpose-built mobile apps for iOS and Android with intuitive interfaces designed for collectors on the go. Download once, scan anywhere.
Automatic photo optimization and real-time guidance help you capture perfect card images using just your phone camera.
Get professional-quality analysis in seconds, whether you're at card shows, hobby shops, or anywhere cards are found.
Download the app and start scanning cards instantly - no web browser needed
Get HobbyMonitor from the App Store or Google Play - native apps for best performance
Point your phone at any card and capture photos with automatic optimization and real-time guidance
AI processes your photos immediately on-device and in the cloud for comprehensive condition assessment
Access detailed reports, save scans, and track your collection progress - all within the mobile app interface
Whether you're grading a 2024 Bowman Chrome rookie card, a vintage 1952 Topps Mickey Mantle, or Pokemon cards, our AI card grading tool provides accurate condition analysis. The sports card AI grading system understands the unique characteristics of different card types, eras, and manufacturers including Topps, Panini, Upper Deck, Bowman, and more.
Affordable AI card grading with comprehensive collecting tools
Compare to: ChatGPT Plus ($20/mo), Claude Pro ($20/mo), or other card grading AI services ($5+ per scan)
Our sports card AI grading tool leverages state-of-the-art computer vision models from leading AI providers. The system has been specifically trained and optimized for trading card analysis, understanding the nuances of card conditions, print variations, and grading standards across PSA, BGS, SGC, and CSG.
Unlike generic AI services, HobbyMonitor's card grading AI is designed specifically for the collecting community. We understand the difference between a soft corner and a dinged corner, surface scratches versus print lines, and the importance of centering ratios. Our mobile card grading app is perfect for use at card shows, local card shops, or evaluating your collection at home.
Professional grading services charge $20-150+ per card and take weeks or months to return. Our AI card grading tool helps you identify which cards are worth submitting, potentially saving hundreds of dollars on grading fees. Get instant pre-grade estimates to make informed decisions about your valuable sports cards.
Each AI card scan provides detailed analysis including overall grade estimates, subgrades for corners, edges, surface, and centering, confidence scores, specific condition notes, and comparison across different grading companies. Perfect for both modern cards and vintage cards from any sport or trading card game.
Join thousands of collectors using HobbyMonitor's AI-powered card grading tool to make smarter decisions. Whether you're evaluating a potential purchase, preparing submissions for PSA, or organizing your collection, our instant AI analysis saves you time and money.
No credit card required • Works on all devices • Cancel anytime
The Evolution of Card Grading: Traditional card grading has remained largely unchanged since the 1990s. Professional graders manually examine each card under magnification, a process that takes significant time and expertise. With the explosion in card collecting popularity, submission backlogs can stretch months, and grading costs continue to rise. This is where AI card grading technology changes everything.
How Our Sports Card AI Grading Works: HobbyMonitor's AI card grading tool uses advanced computer vision technology to analyze your cards. Our system examines corners, edges, surface quality, and centering using specialized algorithms designed specifically for sports card condition assessment to provide PSA-style grade estimates.
Corner Analysis: The AI examines all four corners at high resolution, detecting issues invisible to the naked eye. It identifies soft corners, dinged corners, bent corners, and fraying. The system understands the difference between a slightly touched corner that might grade PSA 9 versus a pristine corner worthy of PSA 10.
Edge Detection: Our mobile card grading app analyzes all four edges for chipping, roughness, or damage. The AI distinguishes between factory-fresh edges and those showing wear from handling. It can even detect edge issues hidden by certain angles or lighting conditions.
Surface Evaluation: Perhaps the most complex aspect of card grading, surface analysis requires detecting scratches, print defects, staining, creases, and other issues. Our AI card grading system uses multiple analysis passes to identify surface problems that might be missed in a quick visual inspection.
Centering Measurement: The AI precisely measures borders to calculate centering ratios. It accounts for different card designs and automatically adjusts for vintage cards where perfect centering is rare. The system provides exact percentages (e.g., 55/45 left-right, 52/48 top-bottom) crucial for high-grade determinations.
Why Mobile Card Grading Is the Future: The ability to grade cards instantly using just your phone camera revolutionizes collecting. At card shows, you can evaluate potential purchases on the spot. When organizing your collection, quickly identify your best cards without handling them repeatedly. Our mobile card grading app puts professional-level analysis in your pocket.
Continuous Improvement: Our AI card grading service uses state-of-the-art technology designed for card analysis. We continuously refine our analysis techniques based on user feedback and real-world grading results to provide the best possible pre-grade estimates.
Beyond Basic Grading: HobbyMonitor's AI doesn't just provide a number. It offers insights that help you understand your card's condition. The system explains why a card received a particular grade, identifies specific issues that could be improved (like removing surface debris), and suggests whether professional grading is worthwhile based on the card's value and condition.
Integration with Market Data: Unlike standalone card grading AI tools, HobbyMonitor combines condition analysis with real-time market data. After grading your card, instantly see what similar cards in that grade are selling for. This integration helps you make informed decisions about selling, grading, or holding your cards.
The Professional Collector's Tool: Serious collectors and dealers use our AI card grading tool to process large collections efficiently. Instead of spending hours examining each card, quickly scan and sort by condition. Identify hidden gems in bulk purchases. Pre-screen cards before sending valuable submissions to PSA or BGS. The time savings alone justify the minimal cost.
Supporting All Collectors: Whether you're grading vintage baseball cards from the 1950s, modern basketball rookies, or Pokemon cards, our AI adapts to different card types and eras. The system understands that a 1952 Topps card should be evaluated differently than a 2024 Bowman Chrome refractor. This versatility makes it the ultimate tool for diverse collections.
