# MintySlab® | Card Centering vs Rectifi

The clearest difference is ads: Rectifi at none against MintySlab® | Card Centering's shown. Rectifi also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 83%). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. MintySlab® | Card Centering sells 2 in-app purchases, starting at $4.99 per month and Rectifi sells 1 in-app purchase, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Rectifi holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 10 and 23 respectively. Written reviews point the same way: 83% of MintySlab® | Card Centering's written reviews are positive against 100% of Rectifi's.

MintySlab® | Card Centering ships an update weekly, Rectifi every 11 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MintySlab® | Card Centering | Rectifi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (10 ratings)](https://appshunter.io/ios/app/mintyslab-card-centering/id6605924591/reviews) | **[5.0 (23 ratings)](https://appshunter.io/ios/app/rectifi-card-centering-tool/id6759215052/reviews)** |
| Number of ratings | 10 | **23** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 46 MB | 53 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Peryer Technologies LLC](https://appshunter.io/developer/1760990425) | [Echan Ventures, LLC](https://appshunter.io/developer/1877471240) |

## What reviewers say

### 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 |


### Rectifi

[App page](https://appshunter.io/ios/app/rectifi-card-centering-tool/id6759215052)

Scan trading cards to accurately assess centering against industry standards like PSA, BGS, and CGC. Features automatic perspective correction for precise measurements, even from awkward angles. Offers guided corner placement and detailed analysis for various card types.

**Highlights:** Automatic perspective correction, Centering analysis for PSA, BGS, CGC, Guided corner placement, Automatic card detection, Standard and Pro scan modes, Scan history and comparison

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rectifi Pro Monthly | $7.99 | per month |


## Frequently asked questions

### Is MintySlab® | Card Centering free?

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

### Is Rectifi free?

Rectifi is free to download, with in-app purchases available.

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

Rectifi is rated higher. MintySlab® | Card Centering averages 4.6 out of 5 from 10 ratings, while Rectifi averages 5.0 from 23 ratings.

### Do MintySlab® | Card Centering or Rectifi have ads?

MintySlab® | Card Centering shows ads; Rectifi does not.

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

MintySlab® | Card Centering ships an update weekly, and Rectifi every 11 days. Most recently, MintySlab® | Card Centering was updated on October 27, 2026 and Rectifi on October 24, 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.*