# Instant Card Grading vs MintySlab® | Card Centering

The clearest difference is review sentiment: MintySlab® | Card Centering at 83% against Instant Card Grading's 29%. MintySlab® | Card Centering also leads on rating (4.6 vs 3.5) and update cadence (weekly vs every 4 months). Instant Card Grading's advantage is iOS requirement (14.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Instant Card Grading sells 1 one-off in-app purchase and MintySlab® | Card Centering sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

MintySlab® | Card Centering holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 19 and 9 respectively. Written reviews point the same way: 29% of Instant Card Grading's written reviews are positive against 83% of MintySlab® | Card Centering's.

Instant Card Grading ships an update every 4 months, MintySlab® | Card Centering weekly. The most recent releases landed on September 10, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | Instant Card Grading | MintySlab® | Card Centering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (19 ratings)](https://appshunter.io/ios/app/instant-card-grading/id6469464438/reviews) | **[4.6 (9 ratings)](https://appshunter.io/ios/app/mintyslab-card-centering/id6605924591/reviews)** |
| Number of ratings | **19** | 9 |
| Positive reviews | 28.6% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 28 MB | 46 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [12 Triangles LLC](https://appshunter.io/developer/1249863049) | [Peryer Technologies LLC](https://appshunter.io/developer/1760990425) |

## What reviewers say

### Instant Card Grading

[App page](https://appshunter.io/ios/app/instant-card-grading/id6469464438)

Analyze the centering of your trading cards instantly and accurately. This tool provides professional-quality pre-grading analysis to help you decide which cards to submit for official grading, saving you time and money.

**Highlights:** Instant centering analysis, Free pre-grading tool, Professional-grade accuracy, Works with all trading cards, Easy-to-use interface, Save and track cards

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### MintySlab® | Card Centering

[App page](https://appshunter.io/ios/app/mintyslab-card-centering/id6605924591)

This app uses advanced computer vision to analyze the centering of sports and TCG trading cards. Get instant, accurate centering results to inform grading decisions and prepare cards for submission.

**Highlights:** Precision card centering analysis, Instant centering breakdown, Grade preparation confidence, Scan from camera roll, Scan from online listings, Evaluate before purchase

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MintySlab+ (Monthly) | $4.99 | per month |
| MintySlab+ (Annual) | $29.99 | per year |


## Frequently asked questions

### Is Instant Card Grading free?

Instant Card Grading is free to download, with in-app purchases available.

### Is MintySlab® | Card Centering free?

MintySlab® | Card Centering is free to download, with in-app purchases available.

### Which has better reviews, Instant Card Grading or MintySlab® | Card Centering?

MintySlab® | Card Centering is rated higher. Instant Card Grading averages 3.5 out of 5 from 19 ratings, while MintySlab® | Card Centering averages 4.6 from 9 ratings.

### Do Instant Card Grading or MintySlab® | Card Centering have ads?

Both Instant Card Grading and MintySlab® | Card Centering show ads.

### Which is updated more often, Instant Card Grading or MintySlab® | Card Centering?

Instant Card Grading ships an update every 4 months, and MintySlab® | Card Centering weekly. Most recently, Instant Card Grading was updated on September 10, 2026 and MintySlab® | Card Centering on July 6, 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.*