# 外貨為替電卓 vs かんたん通貨換算

The clearest difference is update cadence: かんたん通貨換算 at every 10 days against 外貨為替電卓's every 41 months. かんたん通貨換算 also leads on rating (5.0 vs 4.7). 外貨為替電卓's advantage is ratings volume (7 vs 1) and 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. Neither carries in-app purchases, so what you see is what you pay.

かんたん通貨換算 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: 外貨為替電卓 has 7 ratings behind it against 1, so its average is the more settled of the two.

外貨為替電卓 ships an update every 41 months, かんたん通貨換算 every 10 days. The most recent releases landed on July 27, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 外貨為替電卓 | かんたん通貨換算 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (7 ratings)](https://appshunter.io/ios/app/id1035639470/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6736498686/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 41 months | **Every 10 days** |
| Monetization | — | Ad-supported |
| Size | 7 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mitsuki Nase](https://appshunter.io/developer/1035639469) | [Ryoma Toda](https://appshunter.io/developer/1630323600) |

## What reviewers say

### 外貨為替電卓

[App page](https://appshunter.io/ios/app/id1035639470)

**Features:** macOS Compatibility

**In-app purchases:** none


### かんたん通貨換算

[App page](https://appshunter.io/ios/app/id6736498686)

Easily convert currencies for over 100 countries with near real-time exchange rates. Features a simple, intuitive design with country flags for quick recognition. Works offline using the last updated rates.

**Highlights:** Supports over 100 foreign currencies, Near real-time exchange rates, Simple and intuitive design, Offline functionality, Country flags for easy identification, One-tap currency conversion

**In-app purchases:** none


## Frequently asked questions

### Is 外貨為替電卓 free?

外貨為替電卓 is free to download, with no in-app purchases.

### Is かんたん通貨換算 free?

かんたん通貨換算 is free to download, with no in-app purchases.

### Which has better reviews, 外貨為替電卓 or かんたん通貨換算?

かんたん通貨換算 is rated higher. 外貨為替電卓 averages 4.7 out of 5 from 7 ratings, while かんたん通貨換算 averages 5.0 from 1 ratings.

### Do 外貨為替電卓 or かんたん通貨換算 have ads?

Both 外貨為替電卓 and かんたん通貨換算 show ads.

### Which is updated more often, 外貨為替電卓 or かんたん通貨換算?

外貨為替電卓 ships an update every 41 months, and かんたん通貨換算 every 10 days. Most recently, 外貨為替電卓 was updated on July 27, 2026 and かんたん通貨換算 on September 23, 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.*