# 医知源 vs BPPV Simulator

The clearest difference is ads: BPPV Simulator at none against 医知源's shown. BPPV Simulator also leads on update cadence (every 5 days vs every 2 months) and review sentiment (100% vs 90%). 医知源's advantage is iOS requirement (11.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 医知源 sells 4 one-off in-app purchases and BPPV Simulator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

医知源 ships an update every 2 months, BPPV Simulator every 5 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 医知源 | BPPV Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1634323993/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 90.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 58 MB | 36 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [BEIJING KINGYEE TECHNOLOGY CO., LTD.](https://appshunter.io/developer/474664125) | [孝宝 马](https://appshunter.io/developer/6817442982) |

## What reviewers say

### 医知源

[App page](https://appshunter.io/ios/app/id1634323993)

This app provides a comprehensive, evidence-based disease knowledge base for medical professionals. It integrates information on diseases, drugs, guidelines, and research to support clinical decision-making. Features include a vast knowledge library, clinical guidelines, drug information, and case discussions.

**Highlights:** Disease-centric knowledge architecture, Open medical professional knowledge platform, Real-time updates and continuous improvement, Extensive disease knowledge library, One-stop clinical guideline search, Comprehensive drug information, Clinical progress updates, Case discussion forum

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月医知源VIP会员 | $2.99 | one-time |
| 3个月医知源VIP会员 | $5.99 | one-time |
| 1年医知源VIP会员 | $14.99 | one-time |
| 1年医知源和用药参考联合VIP会员 | $22.99 | one-time |


### BPPV Simulator

[App page](https://appshunter.io/ios/app/bppv-simulator/id6818993402)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业模块解锁 | $2.99 | one-time |


## Frequently asked questions

### Is 医知源 free?

医知源 is free to download, with in-app purchases available.

### Is BPPV Simulator free?

BPPV Simulator is free to download, with in-app purchases available.

### Do 医知源 or BPPV Simulator have ads?

医知源 shows ads; BPPV Simulator does not.

### Which is updated more often, 医知源 or BPPV Simulator?

医知源 ships an update every 2 months, and BPPV Simulator every 5 days. Most recently, 医知源 was updated on October 30, 2026 and BPPV Simulator on October 31, 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.*