# OS Smart System vs SIGMA ASIANA

The clearest difference is update cadence: OS Smart System at every 2 months against SIGMA ASIANA's every 13 months. SIGMA ASIANA's advantage is iOS requirement (11.0 vs 13.0). 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.

OS Smart System ships an update every 2 months, SIGMA ASIANA every 13 months. The most recent releases landed on October 30, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | OS Smart System | SIGMA ASIANA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Free | — |
| Size | 37 MB | 24 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Olimpia Splendid S.p.A.](https://appshunter.io/developer/1347182599) | [ID&A S.r.l.](https://appshunter.io/developer/1446283055) |

## What reviewers say

### OS Smart System

[App page](https://appshunter.io/ios/app/os-smart-system/id6498712763)

Control your Olimpia Splendid home comfort devices remotely. Easily pair your devices, turn them on/off, and manage key operating modes directly from your smartphone or tablet.

**Highlights:** Remote device management, Device pairing, On/Off control, Operating mode selection, Smartphone and tablet compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### SIGMA ASIANA

[App page](https://appshunter.io/ios/app/sigma-asiana/id6747243939)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OS Smart System free?

OS Smart System is free to download, with no in-app purchases.

### Is SIGMA ASIANA free?

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

### Do OS Smart System or SIGMA ASIANA have ads?

Neither OS Smart System nor SIGMA ASIANA shows ads.

### Which is updated more often, OS Smart System or SIGMA ASIANA?

OS Smart System ships an update every 2 months, and SIGMA ASIANA every 13 months. Most recently, OS Smart System was updated on October 30, 2026 and SIGMA ASIANA on September 27, 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.*