# 机友计算器pro vs 一键打开

The clearest difference is update cadence: 一键打开 at every 3 months against 机友计算器pro's every 7 months. 机友计算器pro's advantage is iOS requirement (11.0 vs 14.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

机友计算器pro ships an update every 7 months, 一键打开 every 3 months. The most recent releases landed on September 9, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | 机友计算器pro | 一键打开 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 7 months | **Every 3 months** |
| Size | 59 MB | 10 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Changsha Fugui Bamboo Network Technology Co., Ltd.](https://appshunter.io/developer/1458061020) | [献亭 刘](https://appshunter.io/developer/1670077904) |

## What reviewers say

### 机友计算器pro

[App page](https://appshunter.io/ios/app/pro/id1546706241)

**Features:** macOS Compatibility

**In-app purchases:** none


### 一键打开

[App page](https://appshunter.io/ios/app/id1673672396)

**In-app purchases:** none


## Frequently asked questions

### Is 机友计算器pro free?

机友计算器pro is free to download, with no in-app purchases.

### Is 一键打开 free?

一键打开 is free to download, with no in-app purchases.

### Which is updated more often, 机友计算器pro or 一键打开?

机友计算器pro ships an update every 7 months, and 一键打开 every 3 months. Most recently, 机友计算器pro was updated on September 9, 2026 and 一键打开 on May 16, 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.*