# 知到. vs 计算机二级

The clearest difference is in-app purchases: 知到. at none against 计算机二级's 4. 知到. also leads on update cadence (every 3 weeks vs every 34 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 计算机二级 sells 4 one-off in-app purchases. 知到. asks for nothing beyond the download.

知到. ships an update every 3 weeks, 计算机二级 every 34 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 知到. | 计算机二级 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.2 (323 ratings)](https://appshunter.io/ios/app/id1255358463/reviews)** | — |
| Number of ratings | **323** | — |
| Positive reviews | 18.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 34 months |
| Monetization | Free | — |
| Size | 394 MB | 19 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [上海卓越睿新数码科技有限公司](https://appshunter.io/developer/702650874) | [发中 严](https://appshunter.io/developer/1674687905) |

## What reviewers say

### 知到.

[App page](https://appshunter.io/ios/app/id1255358463)

Access a vast library of high-quality courses from over 2000 universities worldwide. Learn from experts and dedicate time daily to enrich your knowledge and personal growth. This platform aims to democratize educational resources.

**Highlights:** Access to 2000+ university courses, Expert-led educational content, Daily learning modules, Social sharing of educational resources, Personal growth and development focus

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Provides access to learning resources
- 👍 Offers a platform for academic exchange
- 👍 Free to download and access content
- 👍 Useful for supplementary learning
- 👍 Good for utilizing spare time for learning

**What reviewers complain about**

- 👎 Forced updates
- 👎 Poor server performance
- 👎 Frequent crashes and freezes
- 👎 Bad user interface and experience
- 👎 Inconvenient login and verification process

**Reported bugs**

- App crashes frequently
- App freezes or becomes unresponsive
- Video playback issues (no sound, auto-pause, content not counting)
- Login and verification process is problematic
- Exams end prematurely

**Requested features**

- Develop an iPad/tablet version
- Improve server stability and performance
- Offer a delayed update option
- Allow users to choose whether to rate courses
- Implement a proper rating system for courses


### 计算机二级

[App page](https://appshunter.io/ios/app/2022/id1586918217)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月VIP | $2.99 | one-time |
| 3个月VIP | $3.99 | one-time |
| 6个月VIP | $4.99 | one-time |
| 12个月VIP | $6.99 | one-time |


## Frequently asked questions

### Is 知到. free?

知到. is free to download, with no in-app purchases.

### Is 计算机二级 free?

计算机二级 is free to download, with in-app purchases available.

### Do 知到. or 计算机二级 have ads?

Neither 知到. nor 计算机二级 shows ads.

### Which is updated more often, 知到. or 计算机二级?

知到. ships an update every 3 weeks, and 计算机二级 every 34 months. Most recently, 知到. was updated on November 2, 2026 and 计算机二级 on October 25, 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.*