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Card Centering Calculator

Card Centering Calculator

TCG & Sports Card Grading Tool

2.1K ratings
123 reviews
With Ads
🔧 Utilities
🔍 Reference
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • September 17, 2024
  • July 6, 2026

Features

Developer

Jade Lizard Software LLC
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Card Centering Calculator video #1 for iPhone
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Card Centering Calculator screenshot #6 for iPhone
Card Centering Calculator screenshot #7 for iPhone
iphone
ipad
🧾$0.99 - $9.99
In-App Purchase↘︎
📌Ready
Reviews summary↘︎
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❓5 answered
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About

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.

✓AI-powered card centering detection
✓Manual centering measurement with zoom
✓Grade comparisons for PSA, BGS, SGC, CGC, TAG, ACE
✓Front and back side centering measurement
✓Grading standards reference guide
✓Off-center visualization tool
Show original description

What users say

Summarized from real user reviews of Card Centering Calculator. Based on 2.1K reviews and a 4.7/5 average, it highlights the 5 positives and 3 negatives reviewers mention most about this Utilities app.

Positive things

  • 👍Intuitive and flexible
  • 🚀Provides great information on centering
  • 💡Helpful for graders and collectors
  • 👍Easy to use and user-friendly
  • 👍Accurate and works as a physical tool

Negative things

  • 🐛Centering measurement doesn't work properly
  • 🔒Grading information locked behind paywall
  • 🐛Camera quality issues, app resets during use
See all reviews

What's New in Card Centering Calculator

2.0.1

July 6, 2026

- Added back the manual X, Y, and Z rotation sliders - Improved the Perspective Fix tool with a magnifying lens for more accurate marker placement on card corners Thank you everyone for your feedback on version 2.0!

More
3

In-App Purchases

$4.99

Unlock Premium

Permanently unlocks all premium features

User reviews

Most RecentHighest RatedLowest Rated

Can’t log in

I got a new phone and decided to use a new Apple account for various reasons. It will not let me log into my account that I had things saved on and premium pass.
Besides that it is a great app with a great caused if I can log into my account .
Take a GanderTake a Gander

Great app!

Been using it for a couple years now it’s absolutely goated
NachosPopShopNachosPopShop

Update destroyed app

Card centering warp fixing not working anymore. Dragging the dots to each corner isn’t working
StaticqtStaticqt

Ok but

This app doesn’t really grade your card so I would if it would put what it thinks the card is graded
Finn4thewin17Finn4thewin17

have to pay

I was looking for a free grading app and i stumble across this app and with this app you have to pay.
Charlie blue NoxCharlie blue Nox
See 118 more reviews

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User experience

🐞

Reported Bugs

2 issues

Centering measurement resets during use

Bug

Image rotation doesn't stay in place

Bug
✨

Requested Features

2 requests

Thinner and dashed centering lines for better visibility

Feature

Free access to grading information without subscription

Feature

FAQ

What does the Card Centering Calculator app do?

The app is designed to help users measure the centering ratios of their trading cards and sports cards. It uses AI for automatic detection or allows manual adjustments to calculate precise centering measurements, which are crucial for professional grading.

What are the key features of this app?

Key features include AI-powered auto-centering detection, manual measurement with zoom for precision, grade comparisons from major grading companies (PSA, BGS, SGC, CGC, TAG, ACE), measurement of both front and back sides, a reference guide for grading standards, and a visualization tool for off-center cards.

Is the Card Centering Calculator app free to use?

The app is free to download and use, but it offers in-app purchases. This means certain advanced features or functionalities might require a purchase to unlock.

What types of cards is this app compatible with?

The app is compatible with a wide range of cards, including TCGs like Pokémon, One Piece, Yu-Gi-Oh!, Lorcana, and Magic: The Gathering, as well as sports cards such as baseball, basketball, and football.

How does this app help with card grading?

By accurately measuring centering ratios, the app helps users understand how their card's centering might affect its grade from professional services. It displays potential grades from companies like PSA and BGS, allowing users to make informed decisions about which cards to submit for grading.