# Card Grading Tool vs Card Centering Calculator Tool

The clearest difference is in-app purchases: Card Grading Tool at none against Card Centering Calculator Tool's 3. Card Centering Calculator Tool's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. Card Centering Calculator Tool sells 3 in-app purchases, starting at $5.99 per 7 days. Card Grading Tool asks for nothing beyond the download.

Card Grading Tool ships an update every 2 months, Card Centering Calculator Tool every 2 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Card Grading Tool | Card Centering Calculator Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (3 ratings)](https://appshunter.io/ios/app/card-centering-calculator-tool/id6747995027/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 108 MB | 34 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Computing & Dreams BVBA](https://appshunter.io/developer/1016296633) | [Halis Bilal Kara](https://appshunter.io/developer/1537304083) |

## What reviewers say

### Card Grading Tool

[App page](https://appshunter.io/ios/app/card-grading-tool/id6739850958)

Analyze and measure the centering of your trading cards with precision tools. This app helps collectors determine grading potential and share results, supporting various card types.

**Highlights:** Accurate centering measurements, User-friendly interface, Customizable tools, Built-in ratio table, Save and share graded cards, Offline access

**In-app purchases:** none


### Card Centering Calculator Tool

[App page](https://appshunter.io/ios/app/card-centering-calculator-tool/id6747995027)

This tool helps collectible card enthusiasts accurately measure card centering for grading purposes. It supports various sports and trading cards, allowing users to organize their collections and prepare for professional grading services.

**Highlights:** Card centering calculation via photo, Supports sports and TCG cards, Grading preparation for PSA, Beckett, CGC, Personal card collection management, Easy measuring and result sharing, Optimized for serious collectors

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $5.99 | per 7 days |
| Annual Premium | $24.99 | per year |
| Annual premium | $39.99 | per year |


## Frequently asked questions

### Is Card Grading Tool free?

Card Grading Tool is free to download, with no in-app purchases.

### Is Card Centering Calculator Tool free?

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

### Do Card Grading Tool or Card Centering Calculator Tool have ads?

Card Grading Tool shows ads; Card Centering Calculator Tool does not.

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

Card Grading Tool ships an update every 2 months, and Card Centering Calculator Tool every 2 weeks. Most recently, Card Grading Tool was updated on October 30, 2026 and Card Centering Calculator Tool on October 30, 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.*