# 99课堂 vs 计算机四级等级考试题库

The clearest difference is ads: 99课堂 at none against 计算机四级等级考试题库's shown. 99课堂 also leads on iOS requirement (9.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 99课堂 sells 4 one-off in-app purchases and 计算机四级等级考试题库 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 99课堂 | 计算机四级等级考试题库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 months |
| Size | 233 MB | 87 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京环球兴学科技发展有限公司](https://appshunter.io/developer/656528480) | [Changsha Xisai Liman Education Technology Co., Ltd](https://appshunter.io/developer/1466745593) |

## What reviewers say

### 99课堂

[App page](https://appshunter.io/ios/app/99/id1545302684)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 35学点 | $7.99 | one-time |
| 75.6学点 | $15.99 | one-time |
| 222.6学点 | $48.99 | one-time |
| 362.6学点 | $79.99 | one-time |


### 计算机四级等级考试题库

[App page](https://appshunter.io/ios/app/id1592040065)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10学币 | $0.99 | one-time |
| 1学币 | $0.99 | one-time |
| 40学币 | $5.99 | one-time |
| 50学币 | $6.99 | one-time |
| 3个月题库 | $11.99 | one-time |
| 3个月找答案+题库 | $14.99 | one-time |
| 100学币 | $14.99 | one-time |
| 120学币 | $17.99 | one-time |
| 150学币 | $19.99 | one-time |
| 300学币 | $39.99 | one-time |


## Frequently asked questions

### Is 99课堂 free?

99课堂 is free to download, with in-app purchases available.

### Is 计算机四级等级考试题库 free?

计算机四级等级考试题库 is free to download, with in-app purchases available.

### Do 99课堂 or 计算机四级等级考试题库 have ads?

计算机四级等级考试题库 shows ads; 99课堂 does not.

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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.*