# 机友计算器pro vs Usagi Calc

The clearest difference is iOS requirement: 机友计算器pro at 11.0 against Usagi Calc's 13.0. On price, ads, 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.

## The numbers

| Metric | 机友计算器pro | Usagi Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 59 MB | 21 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Changsha Fugui Bamboo Network Technology Co., Ltd.](https://appshunter.io/developer/1458061020) | [Takashi Kuwahara](https://appshunter.io/developer/1877604508) |

## 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


### Usagi Calc

[App page](https://appshunter.io/ios/app/usagi-calc/id6764348021)

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

**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 Usagi Calc free?

Usagi Calc is free to download, with no in-app purchases.

### Do 机友计算器pro or Usagi Calc have ads?

Neither 机友计算器pro nor Usagi Calc shows ads.

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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.*