# Alarmhandler security system vs GSM Control

The clearest difference is in-app purchases: GSM Control at none against Alarmhandler security system's 1. GSM Control also leads on iOS requirement (7.0 vs 12.4). Alarmhandler security system's advantage is update cadence (every 3 months vs every 17 months) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Alarmhandler security system sells 1 in-app purchase, starting at $11.49 per year. GSM Control asks for nothing beyond the download.

Alarmhandler security system ships an update every 3 months, GSM Control every 17 months. The most recent releases landed on August 15, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Alarmhandler security system | GSM Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/alarmhandler-security-system/id964809112/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 17 months |
| Monetization | Freemium | — |
| Size | 26 MB | 85 MB |
| Requires iOS | 12.4 | **7.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Compelling Software](https://appshunter.io/developer/964809111) | [Chuango Security Technology Corporation](https://appshunter.io/developer/534068551) |

## What reviewers say

### Alarmhandler security system

[App page](https://appshunter.io/ios/app/alarmhandler-security-system/id964809112)

This app integrates SMS alarm systems, IP cameras, and old phones into a unified security system. It offers immediate notifications for events like smoke alarms or motion detection, and allows you to review recordings to verify alarms. Enjoy affordable home security without expensive hardware or paid guards.

**Highlights:** Integrates SMS alarms, IP cameras, and old phones, Real-time notifications for smoke, motion, and more, Review recordings to verify alarms, Affordable security, no expensive hardware, Control alarm systems with simple taps, Free 30-day camera surveillance trial

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alarmhandler Premium | $11.49 | per year |


### GSM Control

[App page](https://appshunter.io/ios/app/gsm-control/id1059116591)

**In-app purchases:** none


## Frequently asked questions

### Is Alarmhandler security system free?

Alarmhandler security system is free to download, with in-app purchases available.

### Is GSM Control free?

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

### Do Alarmhandler security system or GSM Control have ads?

Neither Alarmhandler security system nor GSM Control shows ads.

### Which is updated more often, Alarmhandler security system or GSM Control?

Alarmhandler security system ships an update every 3 months, and GSM Control every 17 months. Most recently, Alarmhandler security system was updated on August 15, 2026 and GSM Control on May 16, 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.*