# Z4 Multi vs B IoT

The clearest difference is update cadence: B IoT at every 10 months against Z4 Multi's every 105 months. B IoT also leads on review sentiment (20% vs 0%) and 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.

Z4 Multi ships an update every 105 months, B IoT every 10 months. The most recent releases landed on June 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Z4 Multi | B IoT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.8 (13 ratings)](https://appshunter.io/ios/app/b-iot/id1488076371/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | 0.0% of reviews | **20.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 105 months | **Every 10 months** |
| Monetization | Free | Free |
| Size | 5 MB | 76 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [M S Dehkordi](https://appshunter.io/developer/791605265) | [健 陆](https://appshunter.io/developer/1493246051) |

## 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


### B IoT

[App page](https://appshunter.io/ios/app/b-iot/id1488076371)

Manage your WiFi home security cameras remotely. View live feeds, record video, and receive alerts for abnormal activity, all from your device.

**Highlights:** Real-time live view, Video recording, Remote search and playback, Abnormal activity alerts, Device management

**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 B IoT free?

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

### Do Z4 Multi or B IoT have ads?

Neither Z4 Multi nor B IoT shows ads.

### Which is updated more often, Z4 Multi or B IoT?

Z4 Multi ships an update every 105 months, and B IoT every 10 months. Most recently, Z4 Multi was updated on June 11, 2026 and B IoT on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*