# よろず換算アプリ vs Japan

The clearest difference is in-app purchases: よろず換算アプリ at none against Japan's 1. よろず換算アプリ also leads on rating (5.0 vs 4.7) and iOS requirement (11.0 vs 16.2). Japan's advantage is update cadence (weekly vs every 2 months) and ratings volume (19 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Japan sells 1 one-off in-app purchase. よろず換算アプリ asks for nothing beyond the download.

よろず換算アプリ holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Japan has 19 ratings behind it against 1, so its average is the more settled of the two.

よろず換算アプリ ships an update every 2 months, Japan weekly. The most recent releases landed on October 18, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | よろず換算アプリ | Japan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6449922225/reviews)** | [4.7 (19 ratings)](https://appshunter.io/ios/app/japan-us-unit-conversion/id6450624167/reviews) |
| Number of ratings | 1 | **19** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 56 MB | 18 MB |
| Requires iOS | **11.0** | 16.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hirataka Saito](https://appshunter.io/developer/525369908) | [Koya Nambo](https://appshunter.io/developer/1633778504) |

## What reviewers say

### よろず換算アプリ

[App page](https://appshunter.io/ios/app/id6449922225)

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

**In-app purchases:** none


### Japan

[App page](https://appshunter.io/ios/app/japan-us-unit-conversion/id6450624167)

Easily convert between Japanese and US units for length, weight, speed, volume, temperature, area, currency, and time zones. This tool is useful for travel, daily life, work, and study, offering a wide range of conversion categories.

**Highlights:** Length conversion, Weight conversion, Speed conversion, Volume conversion, Temperature conversion, Area conversion, Currency conversion, Timezone conversion

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


## Frequently asked questions

### Is よろず換算アプリ free?

よろず換算アプリ is free to download, with no in-app purchases.

### Is Japan free?

Japan is free to download, with in-app purchases available.

### Which has better reviews, よろず換算アプリ or Japan?

よろず換算アプリ is rated higher. よろず換算アプリ averages 5.0 out of 5 from 1 ratings, while Japan averages 4.7 from 19 ratings.

### Do よろず換算アプリ or Japan have ads?

Both よろず換算アプリ and Japan show ads.

### Which is updated more often, よろず換算アプリ or Japan?

よろず換算アプリ ships an update every 2 months, and Japan weekly. Most recently, よろず換算アプリ was updated on October 18, 2026 and Japan on October 27, 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.*