# 之江生物 vs Concise Surgery

The clearest difference is in-app purchases: 之江生物 at none against Concise Surgery's 4. 之江生物 also leads on iOS requirement (9.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Concise Surgery sells 4 in-app purchases, starting at $2.99 per month. 之江生物 asks for nothing beyond the download.

## The numbers

| Metric | 之江生物 | Concise Surgery |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 51 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai ZJ Bio-Tech Co.,Ltd.](https://appshunter.io/developer/950594760) | [RER MedApps](https://appshunter.io/developer/1720150558) |

## What reviewers say

### 之江生物

[App page](https://appshunter.io/ios/app/id950594761)

**Features:** macOS Compatibility

**In-app purchases:** none


### Concise Surgery

[App page](https://appshunter.io/ios/app/concise-surgery/id6738857038)

A case-based learning tool for surgery students and junior doctors. It simplifies complex surgical concepts with high-yield scenarios, focusing on clinical reasoning and exam preparation. Designed for rapid revision and confident performance in assessments.

**Highlights:** Concise case-based learning, Core general surgery topics, Applied clinical reasoning, Exam-oriented structure, OSCE and university exam preparation, Rapid revision

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $24.99 | per year |
| Lifetime Access - 50% Off | $24.99 | one-time |
| Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is 之江生物 free?

之江生物 is free to download, with no in-app purchases.

### Is Concise Surgery free?

Concise Surgery is free to download, with in-app purchases available.

### Do 之江生物 or Concise Surgery have ads?

Neither 之江生物 nor Concise Surgery 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.*