# Card Centering Calculator vs Centering50

The clearest difference is ads: Card Centering Calculator at none against Centering50's shown. Card Centering Calculator also leads on review sentiment (33% vs 0%) and device support (3 vs 1). Centering50's advantage is rating (4.6 vs 4.4). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Card Centering Calculator sells 2 in-app purchases, starting at $2.99 per 7 days and Centering50 sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Centering50 holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 59 and 46 respectively. Written reviews complicate that: 33% of Card Centering Calculator's written reviews are positive against 0% of Centering50's, so the app with the better star average is not the one people write more warmly about.

Card Centering Calculator ships an update every 2 weeks, Centering50 every 8 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Card Centering Calculator | Centering50 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (59 ratings)](https://appshunter.io/ios/app/card-centering-calculator-ccc/id6745336791/reviews) | **[4.6 (46 ratings)](https://appshunter.io/ios/app/centering50-card-grading-tool/id6759667301/reviews)** |
| Number of ratings | **59** | 46 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 155 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Arda Sen](https://appshunter.io/developer/1670665250) | [FUK WAI LI](https://appshunter.io/developer/1880074668) |

## What reviewers say

### Card Centering Calculator

[App page](https://appshunter.io/ios/app/card-centering-calculator-ccc/id6745336791)

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.

**Highlights:** Accurate centering measurements, Automatic border detection, Manual guide adjustments, Compare potential grades, Save and manage analyzed cards, Image import via camera or photos

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Yearly Subscription | $19.99 | per year |


### Centering50

[App page](https://appshunter.io/ios/app/centering50-card-grading-tool/id6759667301)

This tool helps collectors accurately measure card centering ratios for TCG and sports cards. It uses AI-assisted scanning and manual guides to provide precise measurements, helping users predict grades and save on submission fees.

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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Monthly | $4.99 | per month |
| Unlimited Yearly | $24.99 | per year |
| Full Version Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is Card Centering Calculator free?

Card Centering Calculator is free to download, with in-app purchases available.

### Is Centering50 free?

Centering50 is free to download, with in-app purchases available.

### Which has better reviews, Card Centering Calculator or Centering50?

Centering50 is rated higher. Card Centering Calculator averages 4.4 out of 5 from 59 ratings, while Centering50 averages 4.6 from 46 ratings.

### Do Card Centering Calculator or Centering50 have ads?

Centering50 shows ads; Card Centering Calculator does not.

### Which is updated more often, Card Centering Calculator or Centering50?

Card Centering Calculator ships an update every 2 weeks, and Centering50 every 8 days. Most recently, Card Centering Calculator was updated on October 24, 2026 and Centering50 on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*