# zTMS vs T

The clearest difference is iOS requirement: T at 12.0 against zTMS's 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.

## The numbers

| Metric | zTMS | T |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 33 MB | 58 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen ZKS Mobile IOT Tech Co., Ltd.](https://appshunter.io/developer/1296855170) | [Shenzhen TCL New Technology Co.,LTD.](https://appshunter.io/developer/1475407334) |

## What reviewers say

### zTMS

[App page](https://appshunter.io/ios/app/ztms/id1343042775)

**In-app purchases:** none


### T

[App page](https://appshunter.io/ios/app/t-itms/id6747066113)

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

**In-app purchases:** none


## Frequently asked questions

### Is zTMS free?

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

### Is T free?

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

### Do zTMS or T have ads?

Neither zTMS nor T shows ads.

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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.*