# Eureka Server App vs CIAS

The clearest difference is update cadence: CIAS at every 5 weeks against Eureka Server App's every 3 months. CIAS also leads on iOS requirement (15 vs 17.0). 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.

Eureka Server App ships an update every 3 months, CIAS every 5 weeks. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Eureka Server App | CIAS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 97 MB | 68 MB |
| Requires iOS | 17.0 | **15** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alessandro Piredda](https://appshunter.io/developer/1368998379) | [Cias Elettronica Srl](https://appshunter.io/developer/1179992646) |

## What reviewers say

### Eureka Server App

[App page](https://appshunter.io/ios/app/eureka-server-app/id1539278145)

**Features:** Vision Pro support

**In-app purchases:** none


### CIAS

[App page](https://appshunter.io/ios/app/cias/id1612665779)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Eureka Server App free?

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

### Is CIAS free?

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

### Do Eureka Server App or CIAS have ads?

Neither Eureka Server App nor CIAS shows ads.

### Which is updated more often, Eureka Server App or CIAS?

Eureka Server App ships an update every 3 months, and CIAS every 5 weeks. Most recently, Eureka Server App was updated on October 4, 2026 and CIAS on October 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.*