# IWOS vs 设备医生

The clearest difference is update cadence: 设备医生 at every 2 months against IWOS's every 3 months. 设备医生 also leads on iOS requirement (12.0 vs 14.0). 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.

IWOS ships an update every 3 months, 设备医生 every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | IWOS | 设备医生 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 42 MB | 67 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Inhand Networks Technology co.,Ltd.](https://appshunter.io/developer/972533730) | [北京国联视讯信息技术股份有限公司](https://appshunter.io/developer/1219208569) |

## What reviewers say

### IWOS

[App page](https://appshunter.io/ios/app/iwos/id1459213546)

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

**In-app purchases:** none


### 设备医生

[App page](https://appshunter.io/ios/app/id6446076998)

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

**In-app purchases:** none


## Frequently asked questions

### Is IWOS free?

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

### Is 设备医生 free?

设备医生 is free to download, with no in-app purchases.

### Do IWOS or 设备医生 have ads?

Neither IWOS nor 设备医生 shows ads.

### Which is updated more often, IWOS or 设备医生?

IWOS ships an update every 3 months, and 设备医生 every 2 months. Most recently, IWOS was updated on November 3, 2026 and 设备医生 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.*