# Card Centering Calculator vs CenterMint

The clearest difference is update cadence: CenterMint at every 3 days against Card Centering Calculator's monthly. CenterMint also leads on rating (5.0 vs 4.7). Card Centering Calculator's advantage is ratings volume (2.6K vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Card Centering Calculator sells 5 one-off in-app purchases and CenterMint sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

CenterMint holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Card Centering Calculator has 2.6K ratings behind it against 1, so its average is the more settled of the two.

Card Centering Calculator ships an update monthly, CenterMint every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Card Centering Calculator | CenterMint |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.6K ratings)](https://appshunter.io/ios/app/card-centering-calculator/id6661022837/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/centermint-card-centering/id6760965068/reviews)** |
| Number of ratings | **2.6K** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 21 MB | 67 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jade Lizard Software LLC](https://appshunter.io/developer/528029155) | [JIAPENG Zhao](https://appshunter.io/developer/1877119025) |

## What reviewers say

### Card Centering Calculator

[App page](https://appshunter.io/ios/app/card-centering-calculator/id6661022837)

This app helps collectors and traders measure card centering ratios for grading. It uses AI to detect centering or allows manual adjustments for precise measurements, displaying potential grades from major companies.

**Highlights:** AI-powered card centering detection, Manual centering measurement with zoom, Grade comparisons for PSA, BGS, SGC, CGC, TAG, ACE, Front and back side centering measurement, Grading standards reference guide, Off-center visualization tool

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Unlock Premium | $4.99 | one-time |
| Large Tip | $4.99 | one-time |
| Pristine Tip | $9.99 | one-time |

**What reviewers like**

- 👍 Intuitive and flexible
- 🚀 Provides great information on centering
- 💡 Helpful for graders and collectors
- 👍 Easy to use and user-friendly
- 👍 Accurate and works as a physical tool

**What reviewers complain about**

- 🐛 Centering measurement doesn't work properly
- 🔒 Grading information locked behind paywall
- 🐛 Camera quality issues, app resets during use

**Reported bugs**

- Centering measurement resets during use
- Image rotation doesn't stay in place

**Requested features**

- Thinner and dashed centering lines for better visibility
- Free access to grading information without subscription


### CenterMint

[App page](https://appshunter.io/ios/app/centermint-card-centering/id6760965068)

Analyze the centering of trading cards from a single photo to determine their grading potential. It calculates border ratios and provides insights into whether a card is worth submitting for professional grading, with options for detailed analysis and submission tracking.

**Highlights:** Automatic centering measurement, Border ratio calculation, Grading standards comparison, Worth Grading? profit calculator, Submission log, Corner and edge close-ups, Line-by-line manual adjustment

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly: Card Centering | $4.99 | per month |
| Pro Yearly: Card Grading Tools | $29.99 | per year |


## Frequently asked questions

### Is Card Centering Calculator free?

Card Centering Calculator is free to download, with in-app purchases available.

### Is CenterMint free?

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

### Which has better reviews, Card Centering Calculator or CenterMint?

CenterMint is rated higher. Card Centering Calculator averages 4.7 out of 5 from 2.6K ratings, while CenterMint averages 5.0 from 1 ratings.

### Do Card Centering Calculator or CenterMint have ads?

Both Card Centering Calculator and CenterMint show ads.

### Which is updated more often, Card Centering Calculator or CenterMint?

Card Centering Calculator ships an update monthly, and CenterMint every 3 days. Most recently, Card Centering Calculator was updated on October 30, 2026 and CenterMint on October 31, 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.*