Card Centering Calculator App
Sports Cards & TCG Grading
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Card Centering Calculator App is designed for trading card collectors, sports card investors, and TCG hobbyists who want to measure card centering with precision.
Import a card photo or take one in-app, and the tool instantly calculates Left/Right and Top/Bottom ratios. Compare your card’s centering against grading standards from PSA, BGS, SGC, CGC, TAG, and ACE to understand grade potential before submitting.
Features collectors need
- Automatic centering detection from photos or camera
- Exact ratios for Left/Right and Top/Bottom measurements
- Grading scales included: PSA, BGS, SGC, CGC, TAG, ACE
- Manual adjustments with sliders or drag handles
- Visual overlays with outlines, fill bands, and center guides
- Save results and organize your card collection
- Camera capture guides to keep shots straight and level
- Customizable settings for colors, overlays, and line styles
Why collectors use it
- Speed: Analyze a card in seconds without rulers or guesswork
- Consistency: Same method for every card in your collection
- Clarity: Visual overlays make centering easy to evaluate
- Confidence: Compare to major grading company standards before you submit
Disclaimer: This app provides centering estimates for educational purposes only. It is not affiliated with PSA, BGS, SGC, CGC, TAG, or ACE. Actual grades may differ.
Privacy Policy: https://sites.google.com/view/allegrodigital/privacy-policy
Terms of Use: https://sites.google.com/view/allegrodigital/terms-of-use
Ratings & Reviews
Bug fixes and performance improvements
The developer, Allegro Digital, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- ALLEGRO DIGITAL LTD
- Size
- 1.6 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Yearly Subscription $29.99
- Weekly Subscription $4.99
- Copyright
- © 2025 Allegro Digital