# Steel vs Drafting Utility

The clearest difference is in-app purchases: Drafting Utility at none against Steel's 1. Drafting Utility also leads on update cadence (daily vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Steel sells 1 one-off in-app purchase. Drafting Utility asks for nothing beyond the download.

Steel ships an update every 4 months, Drafting Utility daily. The most recent releases landed on November 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Steel | Drafting Utility |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Daily** |
| Size | 12 MB | 3 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [疆 边](https://appshunter.io/developer/1124320934) | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) |

## What reviewers say

### Steel

[App page](https://appshunter.io/ios/app/steel-section/id1124320935)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 完整版 | $3.99 | one-time |


### Drafting Utility

[App page](https://appshunter.io/ios/app/drafting-utility-trianglecalc/id6738353118)

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

**In-app purchases:** none


## Frequently asked questions

### Is Steel free?

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

### Is Drafting Utility free?

Drafting Utility is free to download, with no in-app purchases.

### Do Steel or Drafting Utility have ads?

Both Steel and Drafting Utility show ads.

### Which is updated more often, Steel or Drafting Utility?

Steel ships an update every 4 months, and Drafting Utility daily. Most recently, Steel was updated on November 6, 2026 and Drafting Utility on October 25, 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.*