# Info X Med vs 卓信签Pro

The clearest difference is in-app purchases: 卓信签Pro at none against Info X Med's 15. 卓信签Pro also leads on iOS requirement (10.0 vs 15.0). Info X Med's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Info X Med sells 15 one-off in-app purchases. 卓信签Pro asks for nothing beyond the download.

Info X Med ships an update weekly, 卓信签Pro every 2 months. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Info X Med | 卓信签Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/info-x-med/id1541588190/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 146 MB | 12 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [YIFU KNOWLEDGE (BEIJING) TECHNOLOGY INC.](https://appshunter.io/developer/1558068690) | [山东卓码信息技术有限公司](https://appshunter.io/developer/1484067461) |

## What reviewers say

### Info X Med

[App page](https://appshunter.io/ios/app/info-x-med/id1541588190)

This platform offers a vast collection of international medical literature and cutting-edge knowledge for healthcare professionals. It features precise search capabilities across multiple authoritative databases, curated courses from top global educators, and AI-powered assistants for research and clinical support.

**Highlights:** Vast international medical literature, Precise search across authoritative databases, Curated courses from global educators, AI-powered doctor, research, and enterprise assistants, Comprehensive knowledge graph

**Features:** macOS Compatibility

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专属医学生VIP月卡 | $6.99 | one-time |
| 140,000 Token | $6.99 | one-time |
| 280,000 Token | $14.99 | one-time |
| 专属医学生VIP季卡 | $15.99 | one-time |
| 840,000 Token | $39.99 | one-time |
| 尊享VIP会员月卡 | $46.99 | one-time |
| 活动VIP会员月卡 | $46.99 | one-time |
| 专属医学生VIP年卡 | $59.99 | one-time |
| 1,400,000 Token | $69.99 | one-time |
| 活动VIP会员季卡 | $79.99 | one-time |
| 尊享VIP会员季卡 | $124.99 | one-time |
| 活动VIP会员年卡 | $149.99 | one-time |
| 2,800,000 Token | $149.99 | one-time |
| 尊享VIP会员年卡 | $449.99 | one-time |
| 13,997,200 Token | $699.99 | one-time |


### 卓信签Pro

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Info X Med free?

Info X Med is free to download, with in-app purchases available.

### Is 卓信签Pro free?

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

### Do Info X Med or 卓信签Pro have ads?

Neither Info X Med nor 卓信签Pro shows ads.

### Which is updated more often, Info X Med or 卓信签Pro?

Info X Med ships an update weekly, and 卓信签Pro every 2 months. Most recently, Info X Med was updated on October 13, 2026 and 卓信签Pro on October 19, 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.*