# 结构大师HD vs 结构设计工具箱

The clearest difference is ads: 结构大师HD at none against 结构设计工具箱's shown. 结构大师HD also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (9.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 结构大师HD sells 4 one-off in-app purchases and 结构设计工具箱 sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

结构大师HD ships an update every 2 months, 结构设计工具箱 every 4 months. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 结构大师HD | 结构设计工具箱 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/hd/id1059035629/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 102 MB | 14 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [颖达 陈](https://appshunter.io/developer/1058507663) | [疆 边](https://appshunter.io/developer/1124320934) |

## What reviewers say

### 结构大师HD

[App page](https://appshunter.io/ios/app/hd/id1059035629)

This app provides structural analysis and mechanics calculations for structural engineers and field engineers on tablets. It offers advanced features like internal force diagrams, dynamics, influence lines, and AI-powered step-by-step solutions for various methods. The VIP version unlocks additional engineering modules, customization options, and reporting capabilities.

**Highlights:** Convenient modeling with touch input, Internal force diagrams and dynamics, AI-powered step-by-step solutions, Support for structural design and large structures, VIP features: engineering modules, custom sections, dark theme, Cross-platform compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 打赏 | $1.99 | one-time |
| 高级功能购买 | $3.99 | one-time |
| 解锁当前版本SMHD | $19.99 | one-time |
| 解锁全版本 | $24.99 | one-time |


### 结构设计工具箱

[App page](https://appshunter.io/ios/app/id1170765643)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一个月 | $3.99 | per month |
| 一年 | $7.99 | per year |
| 完整版 | $12.99 | one-time |


## Frequently asked questions

### Is 结构大师HD free?

结构大师HD is free to download, with in-app purchases available.

### Is 结构设计工具箱 free?

结构设计工具箱 is free to download, with in-app purchases available.

### Do 结构大师HD or 结构设计工具箱 have ads?

结构设计工具箱 shows ads; 结构大师HD does not.

### Which is updated more often, 结构大师HD or 结构设计工具箱?

结构大师HD ships an update every 2 months, and 结构设计工具箱 every 4 months. Most recently, 结构大师HD was updated on October 6, 2026 and 结构设计工具箱 on October 15, 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.*