# 日本地理クイズ 楽しく学べる教材シリーズ vs s＊単位変換

The clearest difference is price: s＊単位変換 at Free against 日本地理クイズ 楽しく学べる教材シリーズ's $3.99. s＊単位変換 also leads on update cadence (every 2 days vs every 4 months). 日本地理クイズ 楽しく学べる教材シリーズ's advantage is iOS requirement (15.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

s＊単位変換 is free to download; 日本地理クイズ 楽しく学べる教材シリーズ costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

日本地理クイズ 楽しく学べる教材シリーズ ships an update every 4 months, s＊単位変換 every 2 days. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 日本地理クイズ 楽しく学べる教材シリーズ | s＊単位変換 |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 130 MB | 1 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gloding Inc.](https://appshunter.io/developer/780228385) | [Seigo Mizouchi](https://appshunter.io/developer/1880010064) |

## What reviewers say

### 日本地理クイズ 楽しく学べる教材シリーズ

[App page](https://appshunter.io/ios/app/id857557884)

Learn Japanese geography through engaging quizzes covering mountains, rivers, and map symbols. Features audio narration and progress tracking, suitable for ages 4 and up. Designed to make learning fun for students and adults interested in Japan.

**Highlights:** Japanese geography quizzes, Covers mountains, rivers, plains, and map symbols, Audio narration for questions, Progress tracking by category, Suitable for ages 4+, Award-winning educational app

**Features:** macOS Compatibility

**In-app purchases:** none


### s＊単位変換

[App page](https://appshunter.io/ios/app/s/id6759642495)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 日本地理クイズ 楽しく学べる教材シリーズ free?

日本地理クイズ 楽しく学べる教材シリーズ costs $3.99, with no in-app purchases.

### Is s＊単位変換 free?

s＊単位変換 is free to download, with no in-app purchases.

### Do 日本地理クイズ 楽しく学べる教材シリーズ or s＊単位変換 have ads?

Neither 日本地理クイズ 楽しく学べる教材シリーズ nor s＊単位変換 shows ads.

### Which is updated more often, 日本地理クイズ 楽しく学べる教材シリーズ or s＊単位変換?

日本地理クイズ 楽しく学べる教材シリーズ ships an update every 4 months, and s＊単位変換 every 2 days. Most recently, 日本地理クイズ 楽しく学べる教材シリーズ was updated on October 8, 2026 and s＊単位変換 on October 25, 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.*