# DiagServer App vs EOS

The clearest difference is update cadence: EOS at every 5 weeks against DiagServer App's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

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

DiagServer App ships an update every 7 months, EOS every 5 weeks. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | DiagServer App | EOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 weeks** |
| Size | 21 MB | 30 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INSTIT EUROPEEN SURVEILL PREDICT](https://appshunter.io/developer/1158028732) | [ALVANCE ALUMINIUM DUNKERQUE](https://appshunter.io/developer/1558281119) |

## What reviewers say

### DiagServer App

[App page](https://appshunter.io/ios/app/diagserver-app/id1158028733)

**Features:** macOS Compatibility

**In-app purchases:** none


### EOS

[App page](https://appshunter.io/ios/app/eos/id1614279358)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DiagServer App free?

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

### Is EOS free?

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

### Do DiagServer App or EOS have ads?

Neither DiagServer App nor EOS shows ads.

### Which is updated more often, DiagServer App or EOS?

DiagServer App ships an update every 7 months, and EOS every 5 weeks. Most recently, DiagServer App was updated on October 7, 2026 and EOS on October 1, 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.*