Z4 Multi vs FOCUS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Z4 Multi
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.
- Control up to 8 alarm systems
- Advanced version
- Remote management
- Compatible with intruder alarms
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This is the advanced version of our Z4 Ultra & Z4 Farsi apps. You could control up to 8 compatible intruder alarm systems with this app.
FOCUS
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.
- Remote system control
- GSM switch integration
- Automated SMS commands
- Easy alarm activation/deactivation
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THIS APP HELP YOU TO CONTROL YOUR SYSTEM EASILY.WE PRODUCT THIS APP FOR REMOT CONTROL SYSTEM. THE APP IS DESIGNED SPECIFICALLY FOR PEOPLE WHO WANT TO TURN ON OR OFF COMPATIBLE HOME ALARM SYSTEMS WITH GSM SWITHCHES BY USING THIS APP YOU DON’T NEED TO TYPE THE SPECIFIC SMS CONTENT AND FILL THE TEXT FOR YOU YOUR FEEDBACK WOULD HELP US TO IMPROVE THIS APP
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Z4 Multi | FOCUS |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.8 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 4 — better |
| Update frequency | Every 105 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 5 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | M S Dehkordi | Moztec Inc |
Customer experience
Z4 Multi
FOCUS
In-app purchases
Z4 Multi
No in-app purchases
FOCUS
No in-app purchases









