# Sharc Studio vs Centering50

The clearest difference is rating: Sharc Studio at 5.0 against Centering50's 4.4. Sharc Studio also leads on in-app purchases (none vs 3) and ads (none vs shown). Centering50's advantage is ratings volume (28 vs 2). On price and update cadence there is nothing between them.

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

Sharc Studio holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Centering50 has 28 ratings behind it against 2, so its average is the more settled of the two.

Sharc Studio ships an update every 2 weeks, Centering50 every 8 days. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Sharc Studio | Centering50 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sharc-studio/id6447310295/reviews)** | [4.4 (28 ratings)](https://appshunter.io/ios/app/centering50-card-grading-tool/id6759667301/reviews) |
| Number of ratings | 2 | **28** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 155 MB |
| Requires iOS | **12.4** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [MRIIOT LLC](https://appshunter.io/developer/1680909981) | [FUK WAI LI](https://appshunter.io/developer/1880074668) |

## What reviewers say

### Sharc Studio

[App page](https://appshunter.io/ios/app/sharc-studio/id6447310295)

Connect to your SHARC device via MQTT or Bluetooth for easy configuration and live data streaming. This utility simplifies device management and real-time data access.

**Highlights:** MQTT communication, Bluetooth communication, Device configuration, Live data streaming, SHARC device management

**Features:** macOS Compatibility

**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 Sharc Studio free?

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

### Is Centering50 free?

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

### Which has better reviews, Sharc Studio or Centering50?

Sharc Studio is rated higher. Sharc Studio averages 5.0 out of 5 from 2 ratings, while Centering50 averages 4.4 from 28 ratings.

### Do Sharc Studio or Centering50 have ads?

Centering50 shows ads; Sharc Studio does not.

### Which is updated more often, Sharc Studio or Centering50?

Sharc Studio ships an update every 2 weeks, and Centering50 every 8 days. Most recently, Sharc Studio was updated on October 1, 2026 and Centering50 on October 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.*