# Z4 Multi vs FOCUS

The clearest difference is update cadence: FOCUS at monthly against Z4 Multi's 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, FOCUS monthly. The most recent releases landed on June 11, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | Z4 Multi | FOCUS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.8 (4 ratings)](https://appshunter.io/ios/app/focus-el/id1155997836/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 105 months | **Monthly** |
| Monetization | Free | Free |
| Size | 5 MB | 11 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [M S Dehkordi](https://appshunter.io/developer/791605265) | [Moztec Inc](https://appshunter.io/developer/932993004) |

## 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


### FOCUS

[App page](https://appshunter.io/ios/app/focus-el/id1155997836)

This application allows users to easily control compatible home alarm systems with GSM switches. It automates the process of sending SMS commands, eliminating the need for manual text input.

**Highlights:** Remote system control, GSM switch integration, Automated SMS commands, Easy alarm activation/deactivation

**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 FOCUS free?

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

### Do Z4 Multi or FOCUS have ads?

Neither Z4 Multi nor FOCUS shows ads.

### Which is updated more often, Z4 Multi or FOCUS?

Z4 Multi ships an update every 105 months, and FOCUS monthly. Most recently, Z4 Multi was updated on June 11, 2026 and FOCUS on August 9, 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.*