# 注册结构工程师题库 vs 注册土木工程师

The clearest difference is update cadence: 注册土木工程师 at monthly against 注册结构工程师题库's every 5 months. 注册结构工程师题库's advantage is iOS requirement (14.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 注册结构工程师题库 sells 4 one-off in-app purchases and 注册土木工程师 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

注册结构工程师题库 ships an update every 5 months, 注册土木工程师 monthly. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 注册结构工程师题库 | 注册土木工程师 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 46 MB | 18 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [sanqifeng](https://appshunter.io/developer/1821353265) | [海婷 黄](https://appshunter.io/developer/1833119393) |

## What reviewers say

### 注册结构工程师题库

[App page](https://appshunter.io/ios/app/2025/id6748624439)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 购买会员1个月 | $2.99 | one-time |
| 购买会员2个月 | $3.99 | one-time |
| 购买会员6个月 | $6.99 | one-time |
| 购买会员12个月 | $9.99 | one-time |


### 注册土木工程师

[App page](https://appshunter.io/ios/app/id6754228913)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 购买VIP会员1个月 | $4.99 | one-time |
| 购买VIP会员3个月 | $6.99 | one-time |
| 购买VIP会员6个月 | $7.99 | one-time |
| 购买VIP会员12个月 | $9.99 | one-time |


## Frequently asked questions

### Is 注册结构工程师题库 free?

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

### Is 注册土木工程师 free?

注册土木工程师 is free to download, with in-app purchases available.

### Do 注册结构工程师题库 or 注册土木工程师 have ads?

Neither 注册结构工程师题库 nor 注册土木工程师 shows ads.

### Which is updated more often, 注册结构工程师题库 or 注册土木工程师?

注册结构工程师题库 ships an update every 5 months, and 注册土木工程师 monthly. Most recently, 注册结构工程师题库 was updated on October 16, 2026 and 注册土木工程师 on October 10, 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.*