# Contatto vs Security Alarms

The clearest difference is in-app purchases: Contatto at none against Security Alarms's 1. Security Alarms's advantage is update cadence (weekly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Security Alarms sells 1 in-app purchase, starting at $0.99 per month. Contatto asks for nothing beyond the download.

Contatto ships an update every 6 weeks, Security Alarms weekly. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Contatto | Security Alarms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (267 ratings)](https://appshunter.io/ios/app/contatto/id1446886122/reviews)** | — |
| Number of ratings | **267** | — |
| Positive reviews | 53.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 95 MB | 89 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Motoppar Industria e Comercio de Automatizadores Ltda](https://appshunter.io/developer/1024856431) | [SECURITY PRODUTOS E ALARMES ELETRONICOS LTDA](https://appshunter.io/developer/1752316603) |

## What reviewers say

### Contatto

[App page](https://appshunter.io/ios/app/contatto/id1446886122)

Control home security systems, gates, and electric fences remotely. Receive instant notifications and track all activity for a smarter, more secure environment.

**Highlights:** Remote gate control, Alarm system management, Electric fence monitoring, Instant notifications, Activity tracking, Smart home integration

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

**In-app purchases:** none


### Security Alarms

[App page](https://appshunter.io/ios/app/security-alarms/id6504444731)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mensal | $0.99 | per month |


## Frequently asked questions

### Is Contatto free?

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

### Is Security Alarms free?

Security Alarms is free to download, with in-app purchases available.

### Do Contatto or Security Alarms have ads?

Neither Contatto nor Security Alarms shows ads.

### Which is updated more often, Contatto or Security Alarms?

Contatto ships an update every 6 weeks, and Security Alarms weekly. Most recently, Contatto was updated on November 6, 2026 and Security Alarms on October 30, 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.*