ACE vs CenterMint

Ace uses advanced AI to analyze your One Piece Trading Card Game cards and deliver detailed pre-grade estimates — right from your phone. HOW IT WORKS 1. Photograph the front and back of your card 2. Ace's AI identifies your card and matches it against a reference catalog 3. Receive a detailed grade report with subgrades for centering, corners, edges, and surface DETAILED GRADING Every scan produces a comprehensive report modeled after professional grading standards. Each card receives an overall grade (1-10) along with individual subgrades and confidence scores. The AI examines your card for whitening, centering shifts, corner wear, edge damage, and surface defects — on both the front and back. CARD IDENTIFICATION Ace automatically identifies your card by reading the card number and matching it against a catalog of One Piece TCG cards. It even distinguishes between regular art, alternate art, and parallel variants using visual comparison. REFERENCE COMPARISON When your card is identified, Ace fetches a pristine reference image and uses it as a baseline during grading — the same way a professional grader would compare against a known standard. BATCH GRADING Grade multiple cards in a single session with batch scanning. Photograph each card, add it to your queue, and submit them all at once. Track progress as each card is graded. SHARE YOUR RESULTS Generate a styled grade report image and share it directly to social media, messaging apps, or anywhere else using the native share sheet. SCAN HISTORY All your past scans are saved so you can revisit grades and track your collection's condition over time. FREE & PREMIUM Start grading for free with a daily scan limit. Upgrade to Premium for unlimited scans, batch grading, and priority processing. IMPORTANT DISCLAIMER Ace provides AI-powered pre-grade estimates only. Results may differ from official grading services such as PSA, BGS, or CGC. Do not use Ace to guarantee or predict grades from professional grading companies. Link to Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

See your card’s centering before you send it for grading. CenterMint is a card centering calculator for trading-card and sports-card collectors. Take a photo or import one, inspect the suggested outer and inner borders, then fine-tune the edges to compare left/right and top/bottom margins. A closer look at every edge • Automatic frame suggestions give you a starting point. • A focus magnifier and fine controls help you position each border. • Rotation and perspective controls help you work with angled photos. • See horizontal and vertical centering ratios and compare reference standards in the guide. • Choose guide colors and styles that remain visible on your card. Keep your collection organized Save scans locally, search your records, pair front and back photos and share measurement images with visible guides. Optional Pro tools CenterMint Pro offers detailed reports, batch image and CSV export, reusable editor presets and an ad-free experience. Available plans and local prices appear in the app. Subscriptions renew automatically unless canceled; manage them in your Apple account settings. Card analysis runs on your device without an account. If you enable detection improvement sharing, cropped card images and your frame corrections can upload automatically to help improve detection. Sharing is off by default and can be disabled in settings. App interface languages: English, Japanese, Korean, Vietnamese, Simplified Chinese and Traditional Chinese. Check suggested borders before measuring. Lighting, sleeves, perspective and card design can affect detection; full-art cards may lack a measurable printed inner border. CenterMint estimates centering only, not surface condition, corners, edge wear, authenticity or a full professional grade. It is an independent collector’s tool and does not guarantee a grading outcome. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://zhao73.github.io/centermint/privacy.html