# 二级建造师2021 vs 二级建造师题库

The clearest difference is iOS requirement: 二级建造师题库 at 9.0 against 二级建造师2021's 13.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 二级建造师2021 sells 8 one-off in-app purchases and 二级建造师题库 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

二级建造师2021 ships an update every 8 months, 二级建造师题库 every 10 months. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 二级建造师2021 | 二级建造师题库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 10 months |
| Size | 54 MB | 44 MB |
| Requires iOS | 13.1 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [发中 严](https://appshunter.io/developer/1674687905) | [燕 李](https://appshunter.io/developer/1600255497) |

## 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 |


### 二级建造师题库

[App page](https://appshunter.io/ios/app/2026/id1618727696)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 二级建造师考前押题 | $5.99 | one-time |
| 会员月卡 | $6.99 | one-time |
| 会员年卡 | $9.99 | one-time |
| 会员两年卡 | $12.99 | one-time |
| 视频精品班 | $149.99 | one-time |
| 视频护航班 | $239.99 | one-time |


## 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 二级建造师题库 free?

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

### Do 二级建造师2021 or 二级建造师题库 have ads?

Neither 二级建造师2021 nor 二级建造师题库 shows ads.

### Which is updated more often, 二级建造师2021 or 二级建造师题库?

二级建造师2021 ships an update every 8 months, and 二级建造师题库 every 10 months. Most recently, 二级建造师2021 was updated on October 25, 2026 and 二级建造师题库 on October 12, 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.*