# 建材学习公社 vs 造价师2021

The clearest difference is in-app purchases: 建材学习公社 at none against 造价师2021's 8. 建材学习公社 also leads on update cadence (every 4 weeks vs every 36 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 造价师2021 sells 8 one-off in-app purchases. 建材学习公社 asks for nothing beyond the download.

建材学习公社 ships an update every 4 weeks, 造价师2021 every 36 months. Both last shipped on September 20, 2026.

## The numbers

| Metric | 建材学习公社 | 造价师2021 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 36 months |
| Size | 451 MB | 32 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [北京国人通教育科技有限公司](https://appshunter.io/developer/1107534532) | [Shenzhen Qianhaitiantian Financial Investment Service Co., Ltd.](https://appshunter.io/developer/1255477419) |

## What reviewers say

### 建材学习公社

[App page](https://appshunter.io/ios/app/id1522451876)

**Features:** macOS Compatibility

**In-app purchases:** none


### 造价师2021

[App page](https://appshunter.io/ios/app/2021/id1579609050)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP1个月 | $2.99 | one-time |
| VIP3个月 | $3.99 | one-time |
| VIP6个月 | $4.99 | one-time |
| VIP12个月 | $9.99 | 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 |


## Frequently asked questions

### Is 建材学习公社 free?

建材学习公社 is free to download, with no in-app purchases.

### Is 造价师2021 free?

造价师2021 is free to download, with in-app purchases available.

### Do 建材学习公社 or 造价师2021 have ads?

Neither 建材学习公社 nor 造价师2021 shows ads.

### Which is updated more often, 建材学习公社 or 造价师2021?

建材学习公社 ships an update every 4 weeks, and 造价师2021 every 36 months. Most recently, 建材学习公社 was updated on September 20, 2026 and 造价师2021 on September 20, 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.*