This tool helps collectors accurately measure the centering of trading cards and sports cards. It provides precise measurements and compares potential grades from major grading companies, aiding in informed decisions before professional submission.





249+ iOS apps curated and reviewed
Looking for free card centering calculator pro apps? 20 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (1) | No | Yes | Nov 2026 | ||
| 2 | Free | 4.7★ (2.6K) | Yes | Yes | Oct 2026 | ||
| 3 | Free | 4.4★ (59) | No | Yes | Oct 2026 | ||
| 4 | Free | 1.0★ (1) | Yes | Yes | Oct 2026 | ||
| 5 | Free | 4.5★ (11) | No | Yes | Oct 2026 | ||
| 6 | Free | — | No | Yes | Aug 2026 | ||
| 7 | Free | — | No | Yes | Sep 2026 | ||
| 8 | Free | 4.7★ (56) | No | Yes | Oct 2026 |





This tool helps collectors accurately measure the centering of trading cards and sports cards. It provides precise measurements and compares potential grades from major grading companies, aiding in informed decisions before professional submission.






This app helps collectors and traders measure card centering ratios for grading. It uses AI to detect centering or allows manual adjustments for precise measurements, displaying potential grades from major companies.






This app helps trading card collectors accurately measure card centering for professional grading. It offers automatic border detection with manual adjustments, clear measurement results, and the ability to compare potential grades across major companies. Save and manage your analyzed cards to stop guessing and start measuring.