# CenterMint vs Caliper 卡牌居中检测

The clearest difference is in-app purchases: Caliper 卡牌居中检测 at none against CenterMint's 2. Caliper 卡牌居中检测 also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. CenterMint sells 2 in-app purchases, starting at $2.99 per month. Caliper 卡牌居中检测 asks for nothing beyond the download.

## The numbers

| Metric | CenterMint | Caliper 卡牌居中检测 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/centermint-card-centering/id6760965068/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 21 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JIAPENG Zhao](https://appshunter.io/developer/1877119025) | [GoHiMicroElectronics Co., Ltd.](https://appshunter.io/developer/1803914071) |

## What reviewers say

### 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 |
| --- | --- | --- |
| CenterMint Pro | $2.99 | per month |
| CenterMint Pro | $19.99 | per year |


### Caliper 卡牌居中检测

[App page](https://appshunter.io/ios/app/caliper/id6812656442)

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

**In-app purchases:** none


## Frequently asked questions

### Is CenterMint free?

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

### Is Caliper 卡牌居中检测 free?

Caliper 卡牌居中检测 is free to download, with no in-app purchases.

### Do CenterMint or Caliper 卡牌居中检测 have ads?

CenterMint shows ads; Caliper 卡牌居中检测 does not.

---

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