# 単位換算電卓 vs 変数電卓+

The clearest difference is update cadence: 変数電卓+ at daily against 単位換算電卓's every 3 weeks. 変数電卓+ also leads on iOS requirement (12.0 vs 14.1). 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.

単位換算電卓 ships an update every 3 weeks, 変数電卓+ daily. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 単位換算電卓 | 変数電卓+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/id1548442583/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 1 MB | 27 MB |
| Requires iOS | 14.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sakae Ichikawa](https://appshunter.io/developer/1548442585) | [Takuya Nemoto](https://appshunter.io/developer/1817950976) |

## What reviewers say

### 単位換算電卓

[App page](https://appshunter.io/ios/app/id1548442583)

**Features:** macOS Compatibility

**In-app purchases:** none


### 変数電卓+

[App page](https://appshunter.io/ios/app/plus/id6746694817)

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

**In-app purchases:** none


## Frequently asked questions

### Is 単位換算電卓 free?

単位換算電卓 is free to download, with no in-app purchases.

### Is 変数電卓+ free?

変数電卓+ is free to download, with no in-app purchases.

### Do 単位換算電卓 or 変数電卓+ have ads?

Neither 単位換算電卓 nor 変数電卓+ shows ads.

### Which is updated more often, 単位換算電卓 or 変数電卓+?

単位換算電卓 ships an update every 3 weeks, and 変数電卓+ daily. Most recently, 単位換算電卓 was updated on October 1, 2026 and 変数電卓+ on October 5, 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.*