# Card Centering & Grading Tool vs Centering50

The clearest difference is review sentiment: Card Centering & Grading Tool at 50% against Centering50's 0%. Card Centering & Grading Tool also leads on ads (none vs shown). Centering50's advantage is rating (4.6 vs 4.2) and update cadence (every 8 days vs monthly). On price, in-app purchases, monetization model 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 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 4.2. Both are backed by a comparable volume of ratings — 13 and 46 respectively. Written reviews complicate that: 50% of Card Centering & Grading Tool'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 & Grading Tool ships an update monthly, Centering50 every 8 days. The most recent releases landed on October 22, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Card Centering & Grading Tool | Centering50 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (13 ratings)](https://appshunter.io/ios/app/card-centering-and-grading-tool/id6751225884/reviews) | **[4.6 (46 ratings)](https://appshunter.io/ios/app/centering50-card-grading-tool/id6759667301/reviews)** |
| Number of ratings | 13 | **46** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 16 MB | 155 MB |
| Requires iOS | 18.0 | **16.2** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [WarthogLab](https://appshunter.io/developer/890415554) | [FUK WAI LI](https://appshunter.io/developer/1880074668) |

## What reviewers say

### 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 |


### 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 & Grading Tool free?

Card Centering & Grading Tool 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 & Grading Tool or Centering50?

Centering50 is rated higher. Card Centering & Grading Tool averages 4.2 out of 5 from 13 ratings, while Centering50 averages 4.6 from 46 ratings.

### Do Card Centering & Grading Tool or Centering50 have ads?

Centering50 shows ads; Card Centering & Grading Tool does not.

### Which is updated more often, Card Centering & Grading Tool or Centering50?

Card Centering & Grading Tool ships an update monthly, and Centering50 every 8 days. Most recently, Card Centering & Grading Tool was updated on October 22, 2026 and Centering50 on October 31, 2026.

---

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