# 建工算料大师 vs 鉴机

The clearest difference is price: 建工算料大师 at Free against 鉴机's $3.99. 建工算料大师 also leads on iOS requirement (12.0 vs 16.0). 鉴机's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

建工算料大师 is free to download; 鉴机 costs $3.99 up front. 建工算料大师 sells 3 one-off in-app purchases. 鉴机 asks for nothing beyond the download.

## The numbers

| Metric | 建工算料大师 | 鉴机 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | — |
| Size | 61 MB | 4 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [深圳扳手会供应链科技有限公司](https://appshunter.io/developer/1718660653) | [登阳 李](https://appshunter.io/developer/6772393523) |

## What reviewers say

### 建工算料大师

[App page](https://appshunter.io/ios/app/id6504472259)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30天会员 | $1.99 | one-time |
| 90天会员 | $3.99 | one-time |
| 一年会员（365天） | $7.99 | one-time |


### 鉴机

[App page](https://appshunter.io/ios/app/id6778002145)

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

**In-app purchases:** none


## Frequently asked questions

### Is 建工算料大师 free?

建工算料大师 is free to download, with in-app purchases available.

### Is 鉴机 free?

鉴机 costs $3.99, with no in-app purchases.

### Do 建工算料大师 or 鉴机 have ads?

Neither 建工算料大师 nor 鉴机 shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*