# 卓信签Pro vs EviMed

The clearest difference is in-app purchases: 卓信签Pro at none against EviMed's 10. 卓信签Pro also leads on iOS requirement (10.0 vs 13). EviMed's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

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

卓信签Pro ships an update every 2 months, EviMed every 2 weeks. The most recent releases landed on September 15, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 卓信签Pro | EviMed |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/evimed/id1670527809/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 70 MB |
| Requires iOS | **10.0** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [山东卓码信息技术有限公司](https://appshunter.io/developer/1484067461) | [灵犀量子(北京)医疗科技有限公司](https://appshunter.io/developer/1670309668) |

## What reviewers say

### 卓信签Pro

[App page](https://appshunter.io/ios/app/pro/id1610080599)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 卓信签Pro free?

卓信签Pro is free to download, with no in-app purchases.

### Is EviMed free?

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

### Do 卓信签Pro or EviMed have ads?

Neither 卓信签Pro nor EviMed shows ads.

### Which is updated more often, 卓信签Pro or EviMed?

卓信签Pro ships an update every 2 months, and EviMed every 2 weeks. Most recently, 卓信签Pro was updated on September 15, 2026 and EviMed on September 28, 2026.

---

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