# Japanese Islands vs かんたん通貨換算

The clearest difference is price: かんたん通貨換算 at Free against Japanese Islands's $3.99. かんたん通貨換算 also leads on update cadence (every 10 days vs every 3 months). Japanese Islands's advantage is ads (none vs shown) and device support (3 vs 1). On rating, ratings volume and in-app purchases there is nothing between them.

かんたん通貨換算 is free to download; Japanese Islands costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Japanese Islands against 5.0 for かんたん通貨換算. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Japanese Islands ships an update every 3 months, かんたん通貨換算 every 10 days. Both last shipped on October 9, 2026.

## The numbers

| Metric | Japanese Islands | かんたん通貨換算 |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/japanese-islands/id949773084/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/id6736498686/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Paid | **Ad-supported** |
| Size | 3 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takafumi AMANO](https://appshunter.io/developer/581065340) | [Ryoma Toda](https://appshunter.io/developer/1630323600) |

## What reviewers say

### Japanese Islands

[App page](https://appshunter.io/ios/app/japanese-islands/id949773084)

Explore detailed information on approximately 6,000 Japanese islands. Discover attributes like location, population, area, and access for each island. Ideal for anyone interested in Japan's diverse island geography.

**Highlights:** Information on 6,000+ Japanese islands, Detailed island attributes, Population and accessibility data, Geographical Information Authority of Japan approved map data, Includes island grouping and territorial information

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

**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 Japanese Islands free?

Japanese Islands costs $3.99, 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, Japanese Islands or かんたん通貨換算?

Japanese Islands and かんたん通貨換算 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Japanese Islands or かんたん通貨換算 have ads?

かんたん通貨換算 shows ads; Japanese Islands does not.

### Which is updated more often, Japanese Islands or かんたん通貨換算?

Japanese Islands ships an update every 3 months, and かんたん通貨換算 every 10 days. Most recently, Japanese Islands was updated on October 9, 2026 and かんたん通貨換算 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.*