# 為替電卓FX vs かんたん通貨換算

The clearest difference is ads: 為替電卓FX at none against かんたん通貨換算's shown. 為替電卓FX also leads on monetization model (free vs ad-supported) and iOS requirement (9.0 vs 17.0). かんたん通貨換算's advantage is update cadence (every 10 days vs every 4 months). 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.

為替電卓FX ships an update every 4 months, かんたん通貨換算 every 10 days. The most recent releases landed on October 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 為替電卓FX | かんたん通貨換算 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6736498686/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 80.8% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | **Free** | Ad-supported |
| Size | 7 MB | 4 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mirai Kuriyama](https://appshunter.io/developer/878843623) | [Ryoma Toda](https://appshunter.io/developer/1630323600) |

## 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


### 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 為替電卓FX free?

為替電卓FX 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.

### Do 為替電卓FX or かんたん通貨換算 have ads?

かんたん通貨換算 shows ads; 為替電卓FX does not.

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

為替電卓FX ships an update every 4 months, and かんたん通貨換算 every 10 days. Most recently, 為替電卓FX was updated on October 7, 2026 and かんたん通貨換算 on September 23, 2026.

---

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