# E100/SOSMex vs Centrosur Mexico

The clearest difference is ads: E100/SOSMex at none against Centrosur Mexico's shown. E100/SOSMex also leads on update cadence (every 2 months vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

E100/SOSMex ships an update every 2 months, Centrosur Mexico every 5 months. The most recent releases landed on October 17, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | E100/SOSMex | Centrosur Mexico |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/e100sosmex/id1571087906/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 83 MB | 65 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Kizara Labs, S.A.S. de C.V.](https://appshunter.io/developer/1518530698) | [Mariana Sofia Gonzalez](https://appshunter.io/developer/1670150039) |

## What reviewers say

### E100/SOSMex

[App page](https://appshunter.io/ios/app/e100sosmex/id1571087906)

This app provides an emergency alert button for immediate assistance from the security office when you are in danger. It ensures a swift response to critical situations.

**Highlights:** Emergency alert button, Immediate security response, Supports iPhone and Apple Watch, Free to download

**Features:** macOS Compatibility

**In-app purchases:** none


### Centrosur Mexico

[App page](https://appshunter.io/ios/app/centrosur-mexico/id6744167201)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E100/SOSMex free?

E100/SOSMex is free to download, with no in-app purchases.

### Is Centrosur Mexico free?

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

### Do E100/SOSMex or Centrosur Mexico have ads?

Centrosur Mexico shows ads; E100/SOSMex does not.

### Which is updated more often, E100/SOSMex or Centrosur Mexico?

E100/SOSMex ships an update every 2 months, and Centrosur Mexico every 5 months. Most recently, E100/SOSMex was updated on October 17, 2026 and Centrosur Mexico on September 24, 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.*