# CDA vs 51CTO学堂企业版

The clearest difference is in-app purchases: 51CTO学堂企业版 at none against CDA's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CDA sells 6 one-off in-app purchases. 51CTO学堂企业版 asks for nothing beyond the download.

CDA ships an update monthly, 51CTO学堂企业版 every 6 weeks. The most recent releases landed on June 25, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | CDA | 51CTO学堂企业版 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/cda/id1069225260/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 21.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 198 MB | 114 MB |
| Requires iOS | 11.0 | **10.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Guofuruhe Networking Technology Co., Ltd](https://appshunter.io/developer/547894322) | [北京无忧创想信息技术有限公司](https://appshunter.io/developer/525383066) |

## What reviewers say

### CDA

[App page](https://appshunter.io/ios/app/cda/id1069225260)

This app provides a comprehensive learning platform for aspiring data analysts. It offers official study materials, practice questions, expert interviews, and video courses to help users prepare for and pass the CDA certification exam. Join a community of learners to share insights and track your progress.

**Highlights:** Official CDA study materials, Extensive question bank with practice modes, Expert interviews and insights, Video lectures and courses, Exam news and updates, Community forums for learners

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6 coin | $0.99 | one-time |
| 18 coin | $2.99 | one-time |
| 68 coin | $9.99 | one-time |
| 128 coin | $19.99 | one-time |
| 268 coin | $41.99 | one-time |
| 618 coin | $94.99 | one-time |


### 51CTO学堂企业版

[App page](https://appshunter.io/ios/app/51cto/id1531603645)

This application provides businesses with access to essential knowledge and skills for their development. It offers a platform to acquire the necessary expertise for organizational growth.

**Highlights:** Business knowledge acquisition, Skill development for growth, Corporate learning platform, Expertise for organizational advancement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CDA free?

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

### Is 51CTO学堂企业版 free?

51CTO学堂企业版 is free to download, with no in-app purchases.

### Do CDA or 51CTO学堂企业版 have ads?

Neither CDA nor 51CTO学堂企业版 shows ads.

### Which is updated more often, CDA or 51CTO学堂企业版?

CDA ships an update monthly, and 51CTO学堂企业版 every 6 weeks. Most recently, CDA was updated on June 25, 2026 and 51CTO学堂企业版 on September 10, 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.*