# Z4 Multi vs EZ OTA

The clearest difference is update cadence: EZ OTA at every 3 days against Z4 Multi's every 105 months. On price, ads, in-app purchases and device support 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, EZ OTA every 3 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Z4 Multi | EZ OTA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 105 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 5 MB | 29 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [M S Dehkordi](https://appshunter.io/developer/791605265) | [文栋 顾](https://appshunter.io/developer/1460789214) |

## 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


### EZ OTA

[App page](https://appshunter.io/ios/app/ez-ota/id6636517694)

**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 EZ OTA free?

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

### Do Z4 Multi or EZ OTA have ads?

Neither Z4 Multi nor EZ OTA shows ads.

### Which is updated more often, Z4 Multi or EZ OTA?

Z4 Multi ships an update every 105 months, and EZ OTA every 3 days. Most recently, Z4 Multi was updated on October 24, 2026 and EZ OTA on October 11, 2026.

---

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