# SRV Global vs Concentric Neutral Calculator

The clearest difference is iOS requirement: SRV Global at 12.1 against Concentric Neutral Calculator's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SRV Global ships an update every 4 months, Concentric Neutral Calculator every 7 months. The most recent releases landed on November 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SRV Global | Concentric Neutral Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/srv-global/id1492263317/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Free | — |
| Size | 8 MB | 5 MB |
| Requires iOS | **12.1** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SharpLogixx, LLC.](https://appshunter.io/developer/1492263316) | [Southwire Company](https://appshunter.io/developer/440338423) |

## What reviewers say

### SRV Global

[App page](https://appshunter.io/ios/app/srv-global/id1492263317)

This app facilitates secure sharing of X-ray images for global EOD community collaboration. It offers real-time review, consultation, and advanced editing tools for detailed image evaluation. Includes training videos for enhanced learning.

**Highlights:** Secure X-ray image sharing, Global EOD community collaboration, Real-time review and consultation, Advanced X-ray editing tools, Situational information with images, Training videos

**Features:** macOS Compatibility

**In-app purchases:** none


### Concentric Neutral Calculator

[App page](https://appshunter.io/ios/app/concentric-neutral-calculator/id6478878772)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SRV Global free?

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

### Is Concentric Neutral Calculator free?

Concentric Neutral Calculator is free to download, with no in-app purchases.

### Do SRV Global or Concentric Neutral Calculator have ads?

Neither SRV Global nor Concentric Neutral Calculator shows ads.

### Which is updated more often, SRV Global or Concentric Neutral Calculator?

SRV Global ships an update every 4 months, and Concentric Neutral Calculator every 7 months. Most recently, SRV Global was updated on November 3, 2026 and Concentric Neutral Calculator 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.*