Centered Cardboard vs Card Centering Analyzer

Centered Cardboard helps you pre-grade trading cards by making centering, alignment, and corner assessment quick, consistent, and easy to understand. Use your camera or import photos to examine cards with clear visual tools designed for accuracy: • Live centering feedback with color-coded ratios • Grading score estimates based on leading grading-company standards • Corner Grading for recording all four front and back corners • Tilted Measuring for cards with rotated inner borders • True Distance measurements for exact border spacing • Adjustable outline guides for accurate card alignment • Gyro crosshair and calibration tools for level camera positioning • Photo filters that improve edge visibility in difficult lighting • Up to 100× zoom for precise positioning and fine adjustments • Camera, Photos, and Files image support • Separate or combined front and back scores • Side-by-side exports for sharing both sides in one image • Cardboard History for saving, searching, editing, and revisiting exports locally • One-tap sharing for quickly saving or sending results Centered Cardboard gives collectors a clear, repeatable way to inspect cards before submitting them for grading. Centered Cardboard is an independent tool and is not affiliated with or endorsed by any card-grading company. Results are estimates and do not guarantee an official grade.

Card Centering Analyzer is the ultimate tool for collectors, traders, and graders to calculate and analyze the centering of trading cards (such as Pokémon, sports cards, Yu-Gi-Oh!, Magic: The Gathering, One Piece, and more) with digital precision. Whether you are preparing cards for professional grading services (PSA, BGS, CGC, SGC) to hit that coveted Gem Mint 10, or assessing raw cards for your private collection, this app uses advanced OpenCV measurements and local Machine Learning edge detection to analyze card border ratios instantly. Core Features: • On-Device AI Scanner: Auto-detects card borders and corners instantly using offline machine learning models. No photo uploads needed - 100% private. • Precise Centering Calculations: Place your card within the custom scanning canvas to calculate top/bottom and left/right centering ratios. • Interactive Fine-Tuning: Adjust boundaries with tactile sliders to perfectly align borders and achieve pixel-level measurement accuracy. • Custom Grading Criteria: Check your card's alignment ratios against standard requirements for Gem Mint, Mint, and Near-Mint estimates. • Saved Records & Inventory: Save your card scans, keep track of centering scores, and build an inventory of your raw collection (Free version is capped at 5 card saves). Premium Upgrades: • Unlimited Saved Cards: Build and track your entire raw collection without limits (Free version is capped at 5 card saves). • Inventory Sharing & Exports: Export and share your card scan details directly via text summary reports, CSV spreadsheets, or professional PDF catalogs complete with thumbnails and search links. • Ambient Theme: Unlock the exclusive, premium "Ambient" visual aesthetic for your app dashboard. • 5x Magnifying Zoom: Inspect surface edges and alignment borders under high detail magnification. Disclaimer: Card Centering Analyzer provides calculations and grade estimates for reference only. It is not affiliated with or endorsed by PSA, BGS, SGC, or any other grading service. Subscription Terms: • Payment will be charged to your Apple ID Account at confirmation of purchase. • Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. • Manage or cancel your subscription anytime in your App Store Account Settings after purchase. Terms of Use: https://app.termly.io/policy-viewer/policy.html?policyUUID=a207228c-18ad-494f-9a5d-36389664ec95 Privacy Policy: https://app.termly.io/policy-viewer/policy.html?policyUUID=3c4c31c4-c57b-469a-82db-235bee4c9cde