# Z4 Multi vs FireWall Security

The clearest difference is review sentiment: FireWall Security at 100% against Z4 Multi's 0%. FireWall Security also leads on update cadence (every 19 months vs every 105 months). 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.

Z4 Multi ships an update every 105 months, FireWall Security every 19 months. The most recent releases landed on September 15, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | Z4 Multi | FireWall Security |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (11 ratings)](https://appshunter.io/ios/app/firewall-security/id1399994435/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 105 months | **Every 19 months** |
| Monetization | Free | Free |
| Size | 5 MB | 6 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [M S Dehkordi](https://appshunter.io/developer/791605265) | [AmirHossein Razavi](https://appshunter.io/developer/1329488966) |

## What reviewers say

### Z4 Multi

[App page](https://appshunter.io/ios/app/z4-multi/id1023816036)

This advanced application allows users to remotely manage and control up to eight compatible intruder alarm systems. It serves as an upgraded version of previous related applications, offering enhanced functionality for security system oversight.

**Highlights:** Control up to 8 alarm systems, Advanced version, Remote management, Compatible with intruder alarms

**Features:** macOS Compatibility

**In-app purchases:** none


### FireWall Security

[App page](https://appshunter.io/ios/app/firewall-security/id1399994435)

Control and manage smart alarm systems with a user-friendly interface. Offers biometric entry for enhanced security and displays real-time device status, including battery, connectivity, and partition status.

**Highlights:** Smart alarm system management, Biometric entry, Device status display, Real-time monitoring, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Z4 Multi free?

Z4 Multi is free to download, with no in-app purchases.

### Is FireWall Security free?

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

### Do Z4 Multi or FireWall Security have ads?

Neither Z4 Multi nor FireWall Security shows ads.

### Which is updated more often, Z4 Multi or FireWall Security?

Z4 Multi ships an update every 105 months, and FireWall Security every 19 months. Most recently, Z4 Multi was updated on September 15, 2026 and FireWall Security on July 23, 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.*