# 為替電卓FX vs 通貨換算

The clearest difference is update cadence: 通貨換算 at daily against 為替電卓FX's every 4 months. 為替電卓FX's advantage is iOS requirement (9.0 vs 18.0). 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.

為替電卓FX ships an update every 4 months, 通貨換算 daily. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 為替電卓FX | 通貨換算 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free | — |
| Size | 7 MB | 14 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mirai Kuriyama](https://appshunter.io/developer/878843623) | [KENICHI YAMAMOTO](https://appshunter.io/developer/1335325739) |

## What reviewers say

### 為替電卓FX

[App page](https://appshunter.io/ios/app/fx/id1033239665)

This app combines a calculator with currency exchange functionality for over 140 countries. It's ideal for travelers needing to convert prices or for finance professionals tracking investments.

**Highlights:** Calculator function, Currency conversion, Exchange rate updates, Supports 140+ countries, Finance tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### 通貨換算

[App page](https://appshunter.io/ios/app/id6749664483)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 為替電卓FX free?

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

### Is 通貨換算 free?

通貨換算 is free to download, with no in-app purchases.

### Do 為替電卓FX or 通貨換算 have ads?

Neither 為替電卓FX nor 通貨換算 shows ads.

### Which is updated more often, 為替電卓FX or 通貨換算?

為替電卓FX ships an update every 4 months, and 通貨換算 daily. Most recently, 為替電卓FX was updated on October 7, 2026 and 通貨換算 on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*