# ETSM SCANNER vs TZ Installer

The clearest difference is update cadence: TZ Installer at every 3 weeks against ETSM SCANNER's every 65 months. TZ Installer also leads on iOS requirement (13.0 vs 15.6). 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.

ETSM SCANNER ships an update every 65 months, TZ Installer every 3 weeks. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | ETSM SCANNER | TZ Installer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 65 months | **Every 3 weeks** |
| Size | 1 MB | 38 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SOOFWOOD GROUP LIMITED](https://appshunter.io/developer/1244036680) | [Tozed Kangwei Tech Co.,Ltd](https://appshunter.io/developer/1380537692) |

## What reviewers say

### ETSM SCANNER

[App page](https://appshunter.io/ios/app/etsm-scanner/id1244037221)

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

**In-app purchases:** none


### TZ Installer

[App page](https://appshunter.io/ios/app/tz-installer/id6801359775)

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

**In-app purchases:** none


## Frequently asked questions

### Is ETSM SCANNER free?

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

### Is TZ Installer free?

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

### Do ETSM SCANNER or TZ Installer have ads?

Neither ETSM SCANNER nor TZ Installer shows ads.

### Which is updated more often, ETSM SCANNER or TZ Installer?

ETSM SCANNER ships an update every 65 months, and TZ Installer every 3 weeks. Most recently, ETSM SCANNER was updated on November 11, 2026 and TZ Installer on November 10, 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.*