# Z4 Multi vs Radbms

The clearest difference is review sentiment: Radbms at 33% against Z4 Multi's 0%. Radbms also leads on update cadence (weekly 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, Radbms weekly. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Z4 Multi | Radbms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (7 ratings)](https://appshunter.io/ios/app/radbms/id1599735488/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 105 months | **Weekly** |
| Monetization | Free | Free |
| Size | 5 MB | 83 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) | [Hossein Vaezy](https://appshunter.io/developer/1599735490) |

## 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


### Radbms

[App page](https://appshunter.io/ios/app/radbms/id1599735488)

Control your home remotely for energy saving and efficient building management. Set schedules, triggers, and receive notifications for lighting, appliances, and security.

**Highlights:** Remote home management, Energy saving solutions, Smart control, Schedules and scenarios, Trigger-based automation, Lighting control, Appliance control

**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 Radbms free?

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

### Do Z4 Multi or Radbms have ads?

Neither Z4 Multi nor Radbms shows ads.

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

Z4 Multi ships an update every 105 months, and Radbms weekly. Most recently, Z4 Multi was updated on October 2, 2026 and Radbms on October 8, 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.*