# 钢材清单 vs Driver助手

The clearest difference is in-app purchases: Driver助手 at none against 钢材清单's 3. Driver助手 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 钢材清单 sells 3 in-app purchases, starting at $0.99 per month. Driver助手 asks for nothing beyond the download.

钢材清单 ships an update every 15 months, Driver助手 every 12 months. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 钢材清单 | Driver助手 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 15 months | **Every 12 months** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 29 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [疆 边](https://appshunter.io/developer/1124320934) | [上海呈鸣供应链科技有限公司](https://appshunter.io/developer/1548848747) |

## What reviewers say

### 钢材清单

[App page](https://appshunter.io/ios/app/id1297108312)

This app calculates the weight and cost of various steel materials based on type, length, and quantity. It offers custom input options, price and tax calculations, and data export to CSV. A free version has limitations on steel types and saved lists.

**Highlights:** Supports 29 types of steel, Automatic weight calculation, Custom material input, Price and tax calculation, Export to CSV, Trash recovery, iCloud data sync

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 正式版 | $0.99 | per month |
| 正式版 | $3.49 | per year |
| 完整版 | $6.99 | one-time |


### Driver助手

[App page](https://appshunter.io/ios/app/driver/id6444198576)

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

**In-app purchases:** none


## Frequently asked questions

### Is 钢材清单 free?

钢材清单 is free to download, with in-app purchases available.

### Is Driver助手 free?

Driver助手 is free to download, with no in-app purchases.

### Do 钢材清单 or Driver助手 have ads?

钢材清单 shows ads; Driver助手 does not.

### Which is updated more often, 钢材清单 or Driver助手?

钢材清单 ships an update every 15 months, and Driver助手 every 12 months. Most recently, 钢材清单 was updated on October 10, 2026 and Driver助手 on October 3, 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.*