# Steel Data vs 萬用計算機

The clearest difference is in-app purchases: Steel Data at none against 萬用計算機's 2. 萬用計算機's advantage is ads (none vs shown) and iOS requirement (13.0 vs 18.6). On price, update cadence and device support there is nothing between them.

Both are free to download. 萬用計算機 sells 2 one-off in-app purchases. Steel Data asks for nothing beyond the download.

Steel Data ships an update every 6 weeks, 萬用計算機 every 2 months. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Steel Data | 萬用計算機 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/steel-data/id1255989099/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 13 MB | 157 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Huaping Ye](https://appshunter.io/developer/1639123510) | [Wang ShihWen](https://appshunter.io/developer/1697458052) |

## What reviewers say

### Steel Data

[App page](https://appshunter.io/ios/app/steel-data/id1255989099)

This app offers a comprehensive reference for various steel types, sizes, and unit weights. It's designed to assist professionals in the construction industry with quick access to essential steel data.

**Highlights:** Extensive steel type catalog, Detailed size information, Unit weight calculations, Construction industry focus, General reference tool

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

**In-app purchases:** none


### 萬用計算機

[App page](https://appshunter.io/ios/app/id6503681321)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 會員1個月 | $1.99 | one-time |
| 會員1年 | $14.99 | one-time |


## Frequently asked questions

### Is Steel Data free?

Steel Data is free to download, with no in-app purchases.

### Is 萬用計算機 free?

萬用計算機 is free to download, with in-app purchases available.

### Do Steel Data or 萬用計算機 have ads?

Steel Data shows ads; 萬用計算機 does not.

### Which is updated more often, Steel Data or 萬用計算機?

Steel Data ships an update every 6 weeks, and 萬用計算機 every 2 months. Most recently, Steel Data was updated on October 20, 2026 and 萬用計算機 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.*