# 管道计算器Pro vs 管算通

The clearest difference is price: 管道计算器Pro at Free against 管算通's $1.99. 管道计算器Pro also leads on iOS requirement (13.0 vs 17.0). 管算通's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

管道计算器Pro is free to download; 管算通 costs $1.99 up front. 管道计算器Pro sells 3 one-off in-app purchases. 管算通 asks for nothing beyond the download.

## The numbers

| Metric | 管道计算器Pro | 管算通 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 53 MB | 22 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ChenShu Zhuang](https://appshunter.io/developer/1477949813) | [久燕 王](https://appshunter.io/developer/1896551289) |

## What reviewers say

### 管道计算器Pro

[App page](https://appshunter.io/ios/app/pro/id6758931508)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $3.99 | one-time |
| 年度会员 | $14.99 | one-time |
| 永久会员 | $29.99 | one-time |


### 管算通

[App page](https://appshunter.io/ios/app/id6793882471)

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

**In-app purchases:** none


## Frequently asked questions

### Is 管道计算器Pro free?

管道计算器Pro is free to download, with in-app purchases available.

### Is 管算通 free?

管算通 costs $1.99, with no in-app purchases.

### Do 管道计算器Pro or 管算通 have ads?

Neither 管道计算器Pro nor 管算通 shows ads.

---

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