# 二级建造师2021 vs 爱共育

The clearest difference is in-app purchases: 爱共育 at none against 二级建造师2021's 8. 爱共育 also leads on update cadence (every 3 weeks vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 二级建造师2021 sells 8 one-off in-app purchases. 爱共育 asks for nothing beyond the download.

二级建造师2021 ships an update every 8 months, 爱共育 every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | 二级建造师2021 | 爱共育 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Size | 54 MB | 119 MB |
| Requires iOS | 13.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [发中 严](https://appshunter.io/developer/1674687905) | [杭州三迅网元科技有限公司](https://appshunter.io/developer/1889089292) |

## What reviewers say

### 二级建造师2021

[App page](https://appshunter.io/ios/app/2021/id1558984138)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP3个月 | $6.99 | one-time |
| VIP6个月 | $9.99 | one-time |
| VIP12个月 | $14.99 | one-time |
| 价值98元的课程 | $14.99 | one-time |
| 价值198元的课程 | $29.99 | one-time |
| 价值298元的课程 | $46.99 | one-time |
| 价值388元的课程 | $59.99 | one-time |
| 价值488元的课程 | $74.99 | one-time |


### 爱共育

[App page](https://appshunter.io/ios/app/id6762581965)

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

**In-app purchases:** none


## Frequently asked questions

### Is 二级建造师2021 free?

二级建造师2021 is free to download, with in-app purchases available.

### Is 爱共育 free?

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

### Do 二级建造师2021 or 爱共育 have ads?

Neither 二级建造师2021 nor 爱共育 shows ads.

### Which is updated more often, 二级建造师2021 or 爱共育?

二级建造师2021 ships an update every 8 months, and 爱共育 every 3 weeks. Most recently, 二级建造师2021 was updated on October 25, 2026 and 爱共育 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.*