# Card Grading AI vs Centering50

Card Grading AI and Centering50 both sit at 4.8 stars, but that hides the real split: 93% of Card Grading AI's written reviews are positive against 0% of Centering50's. Card Grading AI also leads on ratings volume (608 vs 44) and device support (3 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Card Grading AI sells 6 in-app purchases, starting at $9.99 per month 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.

Card Grading AI holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Card Grading AI has 608 ratings behind it against 44, so its average is the more settled of the two. Written reviews point the same way: 93% of Card Grading AI's written reviews are positive against 0% of Centering50's.

Card Grading AI ships an update every 10 days, Centering50 every 8 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Card Grading AI | Centering50 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (608 ratings)](https://appshunter.io/ios/app/card-grading-ai/id6752859834/reviews)** | [4.6 (44 ratings)](https://appshunter.io/ios/app/centering50-card-grading-tool/id6759667301/reviews) |
| Number of ratings | **608** | 44 |
| Positive reviews | **93.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 74 MB | 155 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Matteo Giannessi](https://appshunter.io/developer/1841376781) | [FUK WAI LI](https://appshunter.io/developer/1880074668) |

## What reviewers say

### Card Grading AI

[App page](https://appshunter.io/ios/app/card-grading-ai/id6752859834)

This app uses AI to predict the grade of your trading cards, including Pokémon, Lorcana, and MTG. Upload images of your cards to get instant analysis of centering, edges, surface, and corners, along with a predicted grade score. It's designed for collectors and resellers to evaluate their collections before official grading.

**Highlights:** AI-powered card grading predictions, Supports Pokémon, Lorcana, MTG, Yu-Gi-Oh!, Analyzes centering, edges, surface, corners, Instant predicted grade score, Digital pre-grading assistant, Trained on thousands of graded cards

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Plan | $9.99 | per month |
| Card Grading AI yearly plan | $59.99 | per year |
| Unlimited Plan | $19.99 | one-time |
| Pro Plan upgrade | $39.99 | one-time |
| Pro plan | $49.99 | one-time |
| CGA Lifetime plan | $149.99 | one-time |


### 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 Grading AI free?

Card Grading AI 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 Grading AI or Centering50?

Card Grading AI is rated higher. Card Grading AI averages 4.8 out of 5 from 608 ratings, while Centering50 averages 4.6 from 44 ratings.

### Do Card Grading AI or Centering50 have ads?

Both Card Grading AI and Centering50 show ads.

### Which is updated more often, Card Grading AI or Centering50?

Card Grading AI ships an update every 10 days, and Centering50 every 8 days. Most recently, Card Grading AI was updated on October 28, 2026 and Centering50 on October 28, 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.*