# Alarm 4 home + vs zComms

The clearest difference is review sentiment: zComms at 33% against Alarm 4 home +'s 0%. zComms also leads on update cadence (monthly vs every 5 months). Alarm 4 home +'s advantage is iOS requirement (8.0 vs 12.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Alarm 4 home + ships an update every 5 months, zComms monthly. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Alarm 4 home + | zComms |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 31 MB | 178 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [China Security & Fire IOT Sensing Co., Ltd.](https://appshunter.io/developer/914724038) | [Ness Corporation Pty Limited](https://appshunter.io/developer/423320418) |

## What reviewers say

### Alarm 4 home +

[App page](https://appshunter.io/ios/app/alarm-4-home-plus/id1282204237)

Control your GSM wireless smart alarm system remotely. Easily arm, disarm, and manage your security system from your iPhone or iPod.

**Highlights:** Remote alarm system control, Arm and disarm functionality, GSM wireless system compatibility, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### zComms

[App page](https://appshunter.io/ios/app/zcomms/id1451025309)

Transform your Ness security panel into a smart home hub. This application enables Z-Wave device control and push notifications through your mobile device via a Ness Z-Wave Gateway.

**Highlights:** Z-Wave device control, Smart home integration, Push notifications, Rule engine for automation, Remote access via mobile

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

**In-app purchases:** none


## Frequently asked questions

### Is Alarm 4 home + free?

Alarm 4 home + is free to download, with no in-app purchases.

### Is zComms free?

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

### Do Alarm 4 home + or zComms have ads?

Neither Alarm 4 home + nor zComms shows ads.

### Which is updated more often, Alarm 4 home + or zComms?

Alarm 4 home + ships an update every 5 months, and zComms monthly. Most recently, Alarm 4 home + was updated on November 3, 2026 and zComms on November 2, 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.*