# 力学计算器 vs 钣金人

The clearest difference is price: 钣金人 at Free against 力学计算器's $0.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

钣金人 is free to download; 力学计算器 costs $0.99 up front. 力学计算器 sells 1 one-off in-app purchase and 钣金人 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

力学计算器 ships an update every 2 weeks, 钣金人 fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | 力学计算器 | 钣金人 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Paid | — |
| Size | 18 MB | 62 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [强 余](https://appshunter.io/developer/1116393375) | [爱龙 夏](https://appshunter.io/developer/1676873003) |

## What reviewers say

### 力学计算器

[App page](https://appshunter.io/ios/app/id1624267817)

This app calculates structural mechanics for single-span beams, offering solutions for 5 common beam types and over 50 specific structures. It provides formulas, parameter explanations, and sign conventions for forces and deformations, aiding engineers and students in structural analysis.

**Highlights:** Calculates 5 types of single-span beams, Includes over 50 typical beam structures, Automatic calculation of results, Detailed formulas and parameter explanations, Sign conventions for forces and deformations, Aids in structural mechanics and material science studies

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 力学计算器-单跨梁 | $1.99 | one-time |


### 钣金人

[App page](https://appshunter.io/ios/app/id6450397271)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $9.99 | one-time |
| 年度会员 | $14.99 | one-time |
| 付费咨询 | $14.99 | one-time |
| 付费咨询 | $19.99 | one-time |
| 付费咨询 | $29.99 | one-time |
| 永久会员 | $39.99 | one-time |


## Frequently asked questions

### Is 力学计算器 free?

力学计算器 costs $0.99, and also offers in-app purchases.

### Is 钣金人 free?

钣金人 is free to download, with in-app purchases available.

### Do 力学计算器 or 钣金人 have ads?

Neither 力学计算器 nor 钣金人 shows ads.

### Which is updated more often, 力学计算器 or 钣金人?

力学计算器 ships an update every 2 weeks, and 钣金人 fortnightly. Most recently, 力学计算器 was updated on October 24, 2026 and 钣金人 on October 24, 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.*