# GTP Toolbox vs Z

The clearest difference is update cadence: GTP Toolbox at every 4 days against Z's every 3 weeks. GTP Toolbox also leads on iOS requirement (12.0 vs 15.0). 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.

GTP Toolbox ships an update every 4 days, Z every 3 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | GTP Toolbox | Z |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 53 MB | 34 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Qingdao GTP Schaefer Casting Technology&Production Co,Ltd](https://appshunter.io/developer/1565077433) | [文 周](https://appshunter.io/developer/1690564319) |

## What reviewers say

### GTP Toolbox

[App page](https://appshunter.io/ios/app/gtp-toolbox/id1565077431)

**Features:** macOS Compatibility

**In-app purchases:** none


### Z

[App page](https://appshunter.io/ios/app/z-hearing/id6449798347)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GTP Toolbox free?

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

### Is Z free?

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

### Do GTP Toolbox or Z have ads?

Neither GTP Toolbox nor Z shows ads.

### Which is updated more often, GTP Toolbox or Z?

GTP Toolbox ships an update every 4 days, and Z every 3 weeks. Most recently, GTP Toolbox was updated on November 7, 2026 and Z on November 3, 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.*