# iAlarm Plus vs Pro Alarm System

The clearest difference is update cadence: Pro Alarm System at every 3 weeks against iAlarm Plus's every 6 weeks. iAlarm Plus's advantage is iOS requirement (8.0 vs 10.0). 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.

iAlarm Plus ships an update every 6 weeks, Pro Alarm System every 3 weeks. The most recent releases landed on September 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | iAlarm Plus | Pro Alarm System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pro-alarm-system/id6499518871/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 14 MB | 2 MB |
| Requires iOS | **8.0** | 10.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [春辉 麻](https://appshunter.io/developer/1020525759) | [Xiamen Yipai Electronic Technology Co., Ltd.](https://appshunter.io/developer/901944145) |

## What reviewers say

### iAlarm Plus

[App page](https://appshunter.io/ios/app/ialarm-plus/id1242660649)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pro Alarm System

[App page](https://appshunter.io/ios/app/pro-alarm-system/id6499518871)

Control your compatible security system remotely. Arm, disarm, and check your alarm status from anywhere. Automates SMS commands for easy operation and allows you to manage outputs and check SIM card balance.

**Highlights:** Remote arm and disarm, Check alarm status, Automated SMS commands, Manage outputs, Check SIM balance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iAlarm Plus free?

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

### Is Pro Alarm System free?

Pro Alarm System is free to download, with no in-app purchases.

### Do iAlarm Plus or Pro Alarm System have ads?

Neither iAlarm Plus nor Pro Alarm System shows ads.

### Which is updated more often, iAlarm Plus or Pro Alarm System?

iAlarm Plus ships an update every 6 weeks, and Pro Alarm System every 3 weeks. Most recently, iAlarm Plus was updated on September 20, 2026 and Pro Alarm System on October 6, 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.*