# DTP助手 vs zTMS

The clearest difference is iOS requirement: DTP助手 at 11.0 against zTMS's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DTP助手 ships an update every 6 weeks, zTMS monthly. The most recent releases landed on October 6, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | DTP助手 | zTMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 11 MB | 33 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Dianchu Technology Co., Ltd.](https://appshunter.io/developer/580772270) | [Shenzhen ZKS Mobile IOT Tech Co., Ltd.](https://appshunter.io/developer/1296855170) |

## What reviewers say

### DTP助手

[App page](https://appshunter.io/ios/app/dtp/id1153383893)

**In-app purchases:** none


### zTMS

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

**In-app purchases:** none


## Frequently asked questions

### Is DTP助手 free?

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

### Is zTMS free?

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

### Do DTP助手 or zTMS have ads?

Neither DTP助手 nor zTMS shows ads.

### Which is updated more often, DTP助手 or zTMS?

DTP助手 ships an update every 6 weeks, and zTMS monthly. Most recently, DTP助手 was updated on October 6, 2026 and zTMS on October 26, 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.*