# Ex Rate Calc vs 通貨換算

The clearest difference is ads: 通貨換算 at none against Ex Rate Calc's shown. 通貨換算 also leads on update cadence (daily vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ex Rate Calc ships an update every 2 months, 通貨換算 daily. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Ex Rate Calc | 通貨換算 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Ad-supported | — |
| Size | 9 MB | 14 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fumiya Shigehara](https://appshunter.io/developer/1607648664) | [KENICHI YAMAMOTO](https://appshunter.io/developer/1335325739) |

## What reviewers say

### Ex Rate Calc

[App page](https://appshunter.io/ios/app/ex-rate-calc-widget-based/id6744843796)

This app offers quick and accurate currency conversions with an intuitive interface. It's designed for travelers and business professionals, allowing you to save results and even work offline.

**Highlights:** Quick currency conversions, Accurate exchange rates, Intuitive interface, Save calculation results, Offline functionality, Widget support

**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 Ex Rate Calc free?

Ex Rate Calc 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 Ex Rate Calc or 通貨換算 have ads?

Ex Rate Calc shows ads; 通貨換算 does not.

### Which is updated more often, Ex Rate Calc or 通貨換算?

Ex Rate Calc ships an update every 2 months, and 通貨換算 daily. Most recently, Ex Rate Calc was updated on October 7, 2026 and 通貨換算 on October 9, 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.*