# MorbidMeter vs Centering50

The clearest difference is in-app purchases: MorbidMeter at none against Centering50's 3. MorbidMeter also leads on ads (none vs shown) and device support (3 vs 1). Centering50's advantage is update cadence (every 8 days vs every 6 weeks). On price there is nothing between them.

Both are free to download. Centering50 sells 3 in-app purchases, starting at $4.99 per month. MorbidMeter asks for nothing beyond the download.

MorbidMeter ships an update every 6 weeks, Centering50 every 8 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | MorbidMeter | Centering50 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (50 ratings)](https://appshunter.io/ios/app/centering50-card-grading-tool/id6759667301/reviews)** |
| Number of ratings | — | **50** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 155 MB |
| Requires iOS | **13.0** | 16.2 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [EP Studios](https://appshunter.io/developer/574231798) | [FUK WAI LI](https://appshunter.io/developer/1880074668) |

## What reviewers say

### MorbidMeter

[App page](https://appshunter.io/ios/app/morbidmeter/id1582566530)

**Features:** Apple Watch app

**In-app purchases:** none


### 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 MorbidMeter free?

MorbidMeter is free to download, with no in-app purchases.

### Is Centering50 free?

Centering50 is free to download, with in-app purchases available.

### Do MorbidMeter or Centering50 have ads?

Centering50 shows ads; MorbidMeter does not.

### Which is updated more often, MorbidMeter or Centering50?

MorbidMeter ships an update every 6 weeks, and Centering50 every 8 days. Most recently, MorbidMeter was updated on October 30, 2026 and Centering50 on November 5, 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.*