# 爱课程 vs 注册结构工程师题库2021

The clearest difference is in-app purchases: 爱课程 at none against 注册结构工程师题库2021's 4. 爱课程 also leads on update cadence (every 5 months vs every 36 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 注册结构工程师题库2021 sells 4 one-off in-app purchases. 爱课程 asks for nothing beyond the download.

爱课程 ships an update every 5 months, 注册结构工程师题库2021 every 36 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 爱课程 | 注册结构工程师题库2021 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (5 ratings)](https://appshunter.io/ios/app/id1366200664/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 52.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 36 months |
| Size | 62 MB | 22 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [高等教育出版社](https://appshunter.io/developer/730241119) | [Shenzhen Qianhaitiantian Financial Investment Service Co., Ltd.](https://appshunter.io/developer/1255477419) |

## What reviewers say

### 爱课程

[App page](https://appshunter.io/ios/app/id1366200664)

**Features:** Vision Pro support

**In-app purchases:** none


### 注册结构工程师题库2021

[App page](https://appshunter.io/ios/app/2021/id1580494696)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP1个月 | $2.99 | one-time |
| VIP2个月 | $3.99 | one-time |
| VIP6个月 | $6.99 | one-time |
| VIP12个月 | $9.99 | one-time |


## Frequently asked questions

### Is 爱课程 free?

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

### Is 注册结构工程师题库2021 free?

注册结构工程师题库2021 is free to download, with in-app purchases available.

### Do 爱课程 or 注册结构工程师题库2021 have ads?

Neither 爱课程 nor 注册结构工程师题库2021 shows ads.

### Which is updated more often, 爱课程 or 注册结构工程师题库2021?

爱课程 ships an update every 5 months, and 注册结构工程师题库2021 every 36 months. Most recently, 爱课程 was updated on November 2, 2026 and 注册结构工程师题库2021 on November 3, 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.*