# Zeliox ZAI4 vs iTag Installer

The clearest difference is update cadence: iTag Installer at every 6 weeks against Zeliox ZAI4's every 7 months. Zeliox ZAI4's advantage is iOS requirement (12.0 vs 17.0). 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.

Zeliox ZAI4 ships an update every 7 months, iTag Installer every 6 weeks. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Zeliox ZAI4 | iTag Installer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Size | 34 MB | 16 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Zeliox](https://appshunter.io/developer/1478320738) | [AUTHOR-ALARM](https://appshunter.io/developer/1344731145) |

## What reviewers say

### Zeliox ZAI4

[App page](https://appshunter.io/ios/app/zeliox-zai4/id6737747373)

**Features:** macOS Compatibility

**In-app purchases:** none


### iTag Installer

[App page](https://appshunter.io/ios/app/itag-installer/id6745144885)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Zeliox ZAI4 free?

Zeliox ZAI4 is free to download, with no in-app purchases.

### Is iTag Installer free?

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

### Do Zeliox ZAI4 or iTag Installer have ads?

Neither Zeliox ZAI4 nor iTag Installer shows ads.

### Which is updated more often, Zeliox ZAI4 or iTag Installer?

Zeliox ZAI4 ships an update every 7 months, and iTag Installer every 6 weeks. Most recently, Zeliox ZAI4 was updated on October 9, 2026 and iTag Installer on October 5, 2026.

---

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