# Inviolável vs SIAM 2

The clearest difference is iOS requirement: SIAM 2 at 10.0 against Inviolável's 15.1. 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.

Inviolável ships an update every 3 weeks, SIAM 2 monthly. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Inviolável | SIAM 2 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 112 MB | 77 MB |
| Requires iOS | 15.1 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Inviolavel Administracao e Participacao ltda](https://appshunter.io/developer/1457553237) | [SIAM INDUSTRIA DE AUTOMACAO E MONITORAMENTO LTDA.](https://appshunter.io/developer/1346976542) |

## What reviewers say

### Inviolável

[App page](https://appshunter.io/ios/app/inviolavel/id1130563555)

Monitor your security system directly from your mobile device. Check alarm status, arm/disarm your system, view live camera feeds, and manage service orders. Stay connected to your security anytime, anywhere.

**Highlights:** Monitor alarm status, Arm and disarm alarm, View live camera feeds, Check events and service orders, Call registered contacts

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

**In-app purchases:** none


### SIAM 2

[App page](https://appshunter.io/ios/app/siam-2/id1346976543)

**In-app purchases:** none


## Frequently asked questions

### Is Inviolável free?

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

### Is SIAM 2 free?

SIAM 2 is free to download, with no in-app purchases.

### Do Inviolável or SIAM 2 have ads?

Neither Inviolável nor SIAM 2 shows ads.

### Which is updated more often, Inviolável or SIAM 2?

Inviolável ships an update every 3 weeks, and SIAM 2 monthly. Most recently, Inviolável was updated on October 14, 2026 and SIAM 2 on October 13, 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.*