# Legus vs SOS Smart Center

The clearest difference is update cadence: SOS Smart Center at every 2 weeks against Legus's every 12 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.

Legus ships an update every 12 months, SOS Smart Center every 2 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Legus | SOS Smart Center |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Size | 40 MB | 161 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Grupo Legus](https://appshunter.io/developer/1335578305) | [SOS Sistemas de Alarme](https://appshunter.io/developer/1514466854) |

## What reviewers say

### Legus

[App page](https://appshunter.io/ios/app/legus/id1335578306)

**Features:** macOS Compatibility

**In-app purchases:** none


### SOS Smart Center

[App page](https://appshunter.io/ios/app/sos-smart-center/id6459507440)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Legus free?

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

### Is SOS Smart Center free?

SOS Smart Center is free to download, with no in-app purchases.

### Do Legus or SOS Smart Center have ads?

Neither Legus nor SOS Smart Center shows ads.

### Which is updated more often, Legus or SOS Smart Center?

Legus ships an update every 12 months, and SOS Smart Center every 2 weeks. Most recently, Legus was updated on November 2, 2026 and SOS Smart Center on November 7, 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.*