# Card Grading Tool vs Card Centering & Grading Tool

The clearest difference is review sentiment: Card Centering & Grading Tool at 50% against Card Grading Tool's 0%. Card Centering & Grading Tool also leads on ads (none vs shown). Card Grading Tool's advantage is in-app purchases (none vs 4) and iOS requirement (15.0 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Card Centering & Grading Tool sells 4 in-app purchases, starting at $3.99 per 7 days. Card Grading Tool asks for nothing beyond the download.

Card Grading Tool ships an update every 2 months, Card Centering & Grading Tool monthly. The most recent releases landed on October 4, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Card Grading Tool | Card Centering & Grading Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (13 ratings)](https://appshunter.io/ios/app/card-centering-and-grading-tool/id6751225884/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Ad-supported** | Freemium |
| Size | 108 MB | 16 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Computing & Dreams BVBA](https://appshunter.io/developer/1016296633) | [WarthogLab](https://appshunter.io/developer/890415554) |

## 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 & Grading Tool

[App page](https://appshunter.io/ios/app/card-centering-and-grading-tool/id6751225884)

This app uses AI and manual tools to precisely evaluate trading and sports cards for professional grading standards. It calculates centering ratios and predicts potential scores from top grading companies, supporting various card types like Pokémon, Magic: The Gathering, and sports cards.

**Highlights:** AI-powered centering analysis, Manual precision measurement tools, Grading company score prediction, Front and back centering evaluation, Universal card type support, Customizable detection settings

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gradeon Weekly Pro | $3.99 | per 7 days |
| Gradeon Weekly Pro | $3.99 | per 7 days |
| Gradeon Annual Pro | $19.99 | per year |
| Gradeon Annual Pro | $19.99 | 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 & Grading Tool free?

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

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

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

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

Card Grading Tool ships an update every 2 months, and Card Centering & Grading Tool monthly. Most recently, Card Grading Tool was updated on October 4, 2026 and Card Centering & Grading Tool on October 22, 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.*