# Centering50: Card Centering — Grade TCG Cards & Check Value

> Mobile tool for precise TCG and sports card centering ratio measurement. (iPhone/iPad app by FUK WAI LI.)

- Source: https://appshunter.io/ios/app/centering50-card-centering/id6759667301 (this page in markdown: same URL + `.md`)
- Developer: [FUK WAI LI](https://appshunter.io/developer/1880074668)
- Category: Utilities
- Price: Free with in-app purchases
- Rating: 4.50/5 from 18 App Store ratings · 1 written reviews indexed
- Age rating: 17+
- Requires: iOS 16.2 · 84 MB
- Languages: American English, French (France), Japanese, Chinese (Traditional, Taiwan)
- Released: 2026-03-26
- Data updated: 2026-08-23
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/centering50-card-centering/id6759667301/reviews.md

## What is Centering50?

Centering50: TCG & Sports Card Grading Tool
Stop guessing and start grading with confidence. Whether you are a hardcore Pokémon TCG investor, a sports card flipper, or a casual collector, centering is the #1 reason cards fail to hit a Gem Mint 10. Centering50 is the professional-grade scanner designed to help you predict your grade before you spend a cent on submission fees.

WHY CENTERING MATTERS In the modern hobby, the price gap between a PSA 9 and a PSA 10 can be thousands of dollars. Professional graders at PSA, BGS, SGC, CGC, and TAG use digital precision to measure border ratios. If your card is even 2% off, you lose the Gem Mint dream. Centering50 brings that same laboratory precision to your smartphone.

PRECISION FEATURES FOR COLLECTORS:

"Smart-Snap AI: Our algorithm helps you detect card borders for lightning-fast scanning of modern Pokémon, Magic: The Gathering (MTG), Lorcana, and One Piece cards. Save time with AI-assisted alignment, then fine-tune for 0.1% precision."

The "Magenta Line" Manual Mode: For vintage cards or thick-bordered sports cards (Topps, Panini, Upper Deck), use our high-contrast measurement guides to set your own anchor points with 0.1% accuracy.

Grading Standard Library: Instantly compare your results against the official 2026 standards:

PSA: 55/45 Front (New 2025 Standard)

BGS: 50/50 for Black Label eligibility

SGC & CGC: Real-time centering thresholds

Front & Back Analysis: Don't get rejected for a 90/10 back! Measure both sides independently to ensure your submission is truly "Perfect."

15x Precision Zoom: Perfectly align your guides on thin silver or gold borders with our enhanced magnification tool.

SAVE MONEY ON SUBMISSION FEES Sending cards to be graded is expensive. Why pay for a "Near Mint 7" when you could have known the result at home? Use Centering50 to filter your collection and only send your strongest candidates. It’s the ultimate pre-grading utility for:

Pokémon TCG (English & Japanese)

Sports Cards (Basketball, Baseball, Football, Soccer)

Disney Lorcana & One Piece TCG

Yu-Gi-Oh! & Magic: The Gathering

DESIGNED FOR THE 2026 HOBBYIST We know you’re scanning in different lighting. Our app features Dynamic Contrast Adjustment and Skew Correction, so even if your photo is slightly tilted, our math remains perfect.

HOW TO USE:

Place your card on a high-contrast, flat surface (no sleeves for best results).

Take a photo directly from above. (with the green bubble in center)

Align the Centering50 guides with the card edges and the internal art border. (Optionally: Move/resize/rotate and lock the image)

Get your LR (Left/Right) and TB (Top/Bottom) ratios instantly.

JOIN THE 50/50 CLUB Centering50 isn't just a calculator; it’s your secret weapon in the grading game. Download now and take the guesswork out of your collection.

Note: Centering50 provides a highly accurate estimate based on physical centering. Final grades are determined by professional grading companies based on additional factors like surface, corners, and edges.

https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- AI-assisted border detection
- Manual measurement guides
- Front and back analysis
- 15x precision zoom
- Grading standard library
- Dynamic contrast adjustment

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Unlimited Monthly | $4.99 | per month |
| Unlimited Yearly | $24.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Full Version Lifetime Access | $49.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/centering50-card-centering/id6759667301/reviews.md

### 1/5 — Terrible

*2026-06-03*

Don’t waste your money. When you try and take pictures perfectly, it will close out the app. It will only stay open if you take a bad picture that doesn’t line up. It only gives you about 5 free pictures then you have to pay $10 a month to take unlimited pictures and give you no options to cancel your subscription.

**Developer response:** Hi there,

We have just released an update that completely fixes this high-quality photo crash issue!

If you're willing to try the updated version and it works well for you, would you consider updating your review? As an independent developer, it would mean the world to me.

## Frequently asked questions about Centering50

### What is Centering50?

Centering50 is a mobile application designed to help collectors accurately measure the centering ratios of their TCG and sports cards. It uses advanced features to provide precise measurements, aiding in grade prediction and saving on submission fees.

### How accurate is Centering50?

Centering50 offers 0.1% precision for its measurements. The 'Smart-Snap AI' assists in initial alignment, and the 'Magenta Line' manual mode allows for fine-tuning, ensuring high accuracy for both modern and vintage cards.

### What types of cards can Centering50 analyze?

Centering50 supports a wide range of cards, including Pokémon TCG (English & Japanese), Magic: The Gathering (MTG), Lorcana, One Piece TCG, Yu-Gi-Oh!, and various sports cards from brands like Topps, Panini, and Upper Deck.

### Does Centering50 have ads?

Yes, Centering50 contains advertisements. As a free application with in-app purchase options for subscriptions, users may encounter ads during their use of the tool.

### What are the subscription options for Centering50?

Centering50 offers two subscription plans: 'Unlimited Monthly' for $4.99 per month and 'Unlimited Yearly' for $24.99 per year, providing unlimited access to its features.

### Is Centering50 suitable for vintage cards?

Yes, Centering50 is designed to work with vintage cards. The 'Magenta Line' manual mode with high-contrast measurement guides is specifically recommended for thick-bordered vintage cards, allowing for precise manual alignment.

### What is the age rating for Centering50?

Centering50 has an age rating of 17+. This rating is typically assigned due to the nature of the content or the complexity of the application's use, which may be more suited for adult collectors.

### How often is Centering50 updated?

Centering50 was last updated on June 11, 2026, with version 1.47. This indicates a relatively frequent update schedule, suggesting ongoing development and improvements to the application.

## Version history (last 5 releases)

### 1.51.6 — 2026-08-16

minor bug fix

### 1.50.6 — 2026-08-09

Added FR locale support

### 1.49.9 — 2026-08-01

Updated card detection model

### 1.49.8 — 2026-07-24

Minor bug fix

### 1.49.7 — 2026-07-14

Minor bug fix

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*