# SIGMA CIDIU vs EGEA Ambiente

The clearest difference is update cadence: SIGMA CIDIU at every 2 months against EGEA Ambiente's every 6 months. SIGMA CIDIU also leads on iOS requirement (11.0 vs 15.6). 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.

SIGMA CIDIU ships an update every 2 months, EGEA Ambiente every 6 months. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SIGMA CIDIU | EGEA Ambiente |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 21 MB | 30 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ID&A S.r.l.](https://appshunter.io/developer/1446283055) | [GREENEXT TECHNOLOGIES SPA](https://appshunter.io/developer/1618242301) |

## What reviewers say

### SIGMA CIDIU

[App page](https://appshunter.io/ios/app/sigma-cidiu/id1544746166)

**Features:** macOS Compatibility

**In-app purchases:** none


### EGEA Ambiente

[App page](https://appshunter.io/ios/app/egea-ambiente/id1618242299)

**In-app purchases:** none


## Frequently asked questions

### Is SIGMA CIDIU free?

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

### Is EGEA Ambiente free?

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

### Do SIGMA CIDIU or EGEA Ambiente have ads?

Neither SIGMA CIDIU nor EGEA Ambiente shows ads.

### Which is updated more often, SIGMA CIDIU or EGEA Ambiente?

SIGMA CIDIU ships an update every 2 months, and EGEA Ambiente every 6 months. Most recently, SIGMA CIDIU was updated on October 2, 2026 and EGEA Ambiente on October 9, 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.*