# EviMed vs BRIS4

The clearest difference is in-app purchases: BRIS4 at none against EviMed's 10. EviMed's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. EviMed sells 10 one-off in-app purchases. BRIS4 asks for nothing beyond the download.

EviMed ships an update every 2 weeks, BRIS4 every 3 months. The most recent releases landed on September 28, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | EviMed | BRIS4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/evimed/id1670527809/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 70 MB | 64 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [灵犀量子(北京)医疗科技有限公司](https://appshunter.io/developer/1670309668) | [布法罗机器人科技(成都)有限公司](https://appshunter.io/developer/1600006877) |

## What reviewers say

### EviMed

[App page](https://appshunter.io/ios/app/evimed/id1670527809)

This AI-powered tool searches and analyzes vast amounts of medical literature, guidelines, and drug information to provide evidence-based answers to clinical questions. It extracts key information and synthesizes knowledge to deliver qualitative and quantitative conclusions.

**Highlights:** Medical knowledge search engine, AI-powered evidence-based Q&A, Analysis of literature, guidelines, and drug data, Real-time updated global data, Information extraction and knowledge synthesis, Qualitative and quantitative conclusion generation

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 超级会员-基础版（月会员） | $39.99 | one-time |
| EviMed 药品遴选会员（月会员） | $59.99 | one-time |
| EviMed 药品遴选会员（季度） | $129.99 | one-time |
| 超级会员-专业版（月会员） | $149.99 | one-time |
| EviMed 药学联合会员（季度） | $199.99 | one-time |
| EviMed 药品遴选会员（半年度） | $299.99 | one-time |
| EviMed 药学联合会员（半年度） | $349.99 | one-time |
| EviMed 药品遴选会员（年度） | $399.99 | one-time |
| 超级会员-基础版（年会员） | $399.99 | one-time |
| 超级会员-旗舰版（月会员） | $399.99 | one-time |


### BRIS4

[App page](https://appshunter.io/ios/app/bris4/id6480248813)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EviMed free?

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

### Is BRIS4 free?

BRIS4 is free to download, with no in-app purchases.

### Do EviMed or BRIS4 have ads?

Neither EviMed nor BRIS4 shows ads.

### Which is updated more often, EviMed or BRIS4?

EviMed ships an update every 2 weeks, and BRIS4 every 3 months. Most recently, EviMed was updated on September 28, 2026 and BRIS4 on September 14, 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.*