# 建工计算器 vs 型钢大师

The clearest difference is ads: 型钢大师 at none against 建工计算器's shown. 型钢大师 also leads on iOS requirement (9.0 vs 11.0). 建工计算器's advantage is update cadence (monthly vs every 4 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 建工计算器 sells 4 one-off in-app purchases and 型钢大师 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

建工计算器 ships an update monthly, 型钢大师 every 4 months. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 建工计算器 | 型钢大师 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (10 ratings)](https://appshunter.io/ios/app/id1090268645/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 215 MB | 117 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Honghu Yuntu Technology Co., Ltd.](https://appshunter.io/developer/1480505512) | [颖达 陈](https://appshunter.io/developer/1058507663) |

## What reviewers say

### 建工计算器

[App page](https://appshunter.io/ios/app/id1090268645)

This comprehensive utility app offers engineers a powerful set of calculation tools with a vast library of professional formulas and industry data. It supports custom formula creation, cloud storage for formulas, and a scientific calculator with history tracking. Enhance your productivity with precise engineering calculations.

**Highlights:** Extensive professional engineering formulas, Customizable formula creation, Cloud storage for custom formulas, Scientific calculator with history, Industry data and reference charts, Parameter definition flexibility

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 建工计算器黄金会员(1个月) | $1.99 | one-time |
| 建工计算器黄金会员(半年) | $5.99 | one-time |
| 建工计算器黄金会员(3个月) | $5.99 | one-time |
| 建工计算器黄金会员(1年) | $9.99 | one-time |


### 型钢大师

[App page](https://appshunter.io/ios/app/id1247264708)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 打赏 | $1.99 | one-time |
| 永久购买所有高级功能 | $3.99 | one-time |
| 解锁全版本 | $5.99 | one-time |


## Frequently asked questions

### Is 建工计算器 free?

建工计算器 is free to download, with in-app purchases available.

### Is 型钢大师 free?

型钢大师 is free to download, with in-app purchases available.

### Do 建工计算器 or 型钢大师 have ads?

建工计算器 shows ads; 型钢大师 does not.

### Which is updated more often, 建工计算器 or 型钢大师?

建工计算器 ships an update monthly, and 型钢大师 every 4 months. Most recently, 建工计算器 was updated on September 21, 2026 and 型钢大师 on September 17, 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.*