# 管道计算器Pro vs G Calc Pro

The clearest difference is update cadence: 管道计算器Pro at every 9 days against G Calc Pro's every 3 weeks. 管道计算器Pro also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 管道计算器Pro sells 3 one-off in-app purchases and G Calc Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

管道计算器Pro ships an update every 9 days, G Calc Pro every 3 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 管道计算器Pro | G Calc Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 53 MB | 21 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [ChenShu Zhuang](https://appshunter.io/developer/1477949813) | [晓龙 高](https://appshunter.io/developer/1872258959) |

## 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 |


### G Calc Pro

[App page](https://appshunter.io/ios/app/g-calc-pro/id6759799669)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| G Calc Pro | $0.99 | one-time |


## 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 G Calc Pro free?

G Calc Pro is free to download, with in-app purchases available.

### Do 管道计算器Pro or G Calc Pro have ads?

Neither 管道计算器Pro nor G Calc Pro shows ads.

### Which is updated more often, 管道计算器Pro or G Calc Pro?

管道计算器Pro ships an update every 9 days, and G Calc Pro every 3 weeks. Most recently, 管道计算器Pro was updated on October 14, 2026 and G Calc Pro on October 10, 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.*