# 外科主治 vs katip智能助手

The clearest difference is in-app purchases: katip智能助手 at none against 外科主治's 10. katip智能助手 also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 外科主治 sells 10 one-off in-app purchases. katip智能助手 asks for nothing beyond the download.

外科主治 ships an update every 2 months, katip智能助手 every 2 weeks. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 外科主治 | katip智能助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 87 MB | 41 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [长沙优学互动信息技术有限公司](https://appshunter.io/developer/1247376685) | [Xinjiang Bilike International Trade Co.,Ltd.](https://appshunter.io/developer/1820313197) |

## What reviewers say

### 外科主治

[App page](https://appshunter.io/ios/app/id1449439271)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1学币 | $0.99 | one-time |
| 10学币 | $0.99 | one-time |
| 40学币 | $5.99 | one-time |
| 50学币 | $6.99 | one-time |
| 三个月题库 | $11.99 | one-time |
| 三个月找答案+题库 | $14.99 | one-time |
| 100学币 | $14.99 | one-time |
| 120学币 | $17.99 | one-time |
| 150学币 | $19.99 | one-time |
| 300学币 | $39.99 | one-time |


### katip智能助手

[App page](https://appshunter.io/ios/app/katip/id6747973252)

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

**In-app purchases:** none


## Frequently asked questions

### Is 外科主治 free?

外科主治 is free to download, with in-app purchases available.

### Is katip智能助手 free?

katip智能助手 is free to download, with no in-app purchases.

### Do 外科主治 or katip智能助手 have ads?

Neither 外科主治 nor katip智能助手 shows ads.

### Which is updated more often, 外科主治 or katip智能助手?

外科主治 ships an update every 2 months, and katip智能助手 every 2 weeks. Most recently, 外科主治 was updated on October 18, 2026 and katip智能助手 on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*