# zTMS vs E检医生

The clearest difference is update cadence: zTMS at monthly against E检医生's every 2 months. E检医生's advantage is 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.

zTMS ships an update monthly, E检医生 every 2 months. The most recent releases landed on October 26, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | zTMS | E检医生 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 33 MB | 27 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen ZKS Mobile IOT Tech Co., Ltd.](https://appshunter.io/developer/1296855170) | [杭州云呼网络科技有限公司](https://appshunter.io/developer/1322229473) |

## What reviewers say

### zTMS

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

**In-app purchases:** none


### E检医生

[App page](https://appshunter.io/ios/app/e/id6475811367)

**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 E检医生 free?

E检医生 is free to download, with no in-app purchases.

### Do zTMS or E检医生 have ads?

Neither zTMS nor E检医生 shows ads.

### Which is updated more often, zTMS or E检医生?

zTMS ships an update monthly, and E检医生 every 2 months. Most recently, zTMS was updated on October 26, 2026 and E检医生 on November 4, 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.*