# 结构大师HD vs 实用结构静力计算

The clearest difference is price: 结构大师HD at Free against 实用结构静力计算's $12.99. 结构大师HD also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (9.0 vs 12.0). 实用结构静力计算's advantage is in-app purchases (none vs 4) and device support (3 vs 1). On ads there is nothing between them.

结构大师HD is free to download; 实用结构静力计算 costs $12.99 up front. 结构大师HD sells 4 one-off in-app purchases. 实用结构静力计算 asks for nothing beyond the download.

结构大师HD ships an update every 2 months, 实用结构静力计算 every 6 months. The most recent releases landed on June 24, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | 结构大师HD | 实用结构静力计算 |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/hd/id1059035629/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 55.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 102 MB | 64 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| 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 |


### 实用结构静力计算

[App page](https://appshunter.io/ios/app/id1185307976)

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

**In-app purchases:** none


## 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 实用结构静力计算 free?

实用结构静力计算 costs $12.99, with no in-app purchases.

### Do 结构大师HD or 实用结构静力计算 have ads?

Neither 结构大师HD nor 实用结构静力计算 shows ads.

### Which is updated more often, 结构大师HD or 实用结构静力计算?

结构大师HD ships an update every 2 months, and 实用结构静力计算 every 6 months. Most recently, 结构大师HD was updated on June 24, 2026 and 实用结构静力计算 on August 14, 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.*