# KingDrawHD vs CNKI EXPRESS

The clearest difference is review sentiment: KingDrawHD at 73% against CNKI EXPRESS's 0%. KingDrawHD also leads on rating (4.1 vs 1.8). CNKI EXPRESS's advantage is update cadence (every 8 days vs monthly) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. KingDrawHD sells 8 in-app purchases, starting at $1.99 per month and CNKI EXPRESS sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

KingDrawHD holds the better App Store score, 4.1 against 1.8. Both are backed by a comparable volume of ratings — 14 and 10 respectively. Written reviews point the same way: 73% of KingDrawHD's written reviews are positive against 0% of CNKI EXPRESS's.

KingDrawHD ships an update monthly, CNKI EXPRESS every 8 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | KingDrawHD | CNKI EXPRESS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (14 ratings)](https://appshunter.io/ios/app/kingdrawhd/id1535782391/reviews)** | [1.8 (10 ratings)](https://appshunter.io/ios/app/cnki-express/id1537935180/reviews) |
| Number of ratings | **14** | 10 |
| Positive reviews | **73.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 170 MB | 242 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Qingdao KingAgroot Precision Agriculture Technology Co., Ltd.](https://appshunter.io/developer/1452425595) | [Tongfang Knowledge Network (Beijing) Technology Co., Ltd.](https://appshunter.io/developer/963639311) |

## What reviewers say

### KingDrawHD

[App page](https://appshunter.io/ios/app/kingdrawhd/id1535782391)

This app is a professional chemical drawing editor for sketching molecules, reactions, and organic chemistry pathways. It offers features like real-time 3D modeling, IUPAC name conversion, and intelligent gesture drawing. The app supports multi-terminal synchronization and saving files in various common chemical drawing formats.

**Highlights:** Real-time 3D modeling, IUPAC name to structure conversion, Structural formula searching, Intelligent gesture drawing, Multi-terminal synchronization, Multi-format file saving

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KingDrawVip-ContinuousMonthly | $1.99 | per month |
| KingDrawHD-ContinuousMonthly | $9.99 | per month |
| KingDraw一天会员 | $0.99 | one-time |
| KingDraw一个月会员 | $2.99 | one-time |
| Monthly Member | $9.99 | one-time |
| Monthly Member | $11.99 | one-time |
| KingDraw一年会员 | $14.99 | one-time |
| Annual Member | $99.99 | one-time |


### CNKI EXPRESS

[App page](https://appshunter.io/ios/app/cnki-express/id1537935180)

Access a vast collection of academic resources including journals, dissertations, and newspapers. Customize your research experience with personalized updates and multiple reading formats. Available for users in China, Hong Kong, Macao, Taiwan, and other international regions.

**Highlights:** Unified search for academic resources, Access journals, dissertations, newspapers, and conference papers, Multiple reading formats (PDF, HTML, EPUB), Personalized library for research updates, Institutional user services, Free re-download of previously purchased documents

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20知识点 | $19.99 | one-time |
| 50知识点 | $49.99 | one-time |
| 100知识点 | $99.99 | one-time |
| 200知识点 | $199.99 | one-time |
| 300知识点 | $299.99 | one-time |
| 500知识点 | $499.99 | one-time |


## Frequently asked questions

### Is KingDrawHD free?

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

### Is CNKI EXPRESS free?

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

### Which has better reviews, KingDrawHD or CNKI EXPRESS?

KingDrawHD is rated higher. KingDrawHD averages 4.1 out of 5 from 14 ratings, while CNKI EXPRESS averages 1.8 from 10 ratings.

### Do KingDrawHD or CNKI EXPRESS have ads?

Neither KingDrawHD nor CNKI EXPRESS shows ads.

### Which is updated more often, KingDrawHD or CNKI EXPRESS?

KingDrawHD ships an update monthly, and CNKI EXPRESS every 8 days. Most recently, KingDrawHD was updated on November 3, 2026 and CNKI EXPRESS on November 6, 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.*