# 英熟語600問チャレンジ vs シンプル英熟語

The clearest difference is iOS requirement: 英熟語600問チャレンジ at 16.6 against シンプル英熟語's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 英熟語600問チャレンジ sells 4 one-off in-app purchases and シンプル英熟語 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

英熟語600問チャレンジ ships an update every 2 months, シンプル英熟語 monthly. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 英熟語600問チャレンジ | シンプル英熟語 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Size | 19 MB | 34 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Keiko Yukawa](https://appshunter.io/developer/719596665) | [RYOTA SUZUKI](https://appshunter.io/developer/1726784326) |

## What reviewers say

### 英熟語600問チャレンジ

[App page](https://appshunter.io/ios/app/600/id880074530)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $1.99 | one-time |
| 単語帳作成数無制限 | $1.99 | one-time |
| 英熟語登録数無制限 | $1.99 | one-time |
| 英熟語の例文追加 | $2.99 | one-time |


### シンプル英熟語

[App page](https://appshunter.io/ios/app/id6476452337)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $6.99 | one-time |


## Frequently asked questions

### Is 英熟語600問チャレンジ free?

英熟語600問チャレンジ is free to download, with in-app purchases available.

### Is シンプル英熟語 free?

シンプル英熟語 is free to download, with in-app purchases available.

### Do 英熟語600問チャレンジ or シンプル英熟語 have ads?

Both 英熟語600問チャレンジ and シンプル英熟語 show ads.

### Which is updated more often, 英熟語600問チャレンジ or シンプル英熟語?

英熟語600問チャレンジ ships an update every 2 months, and シンプル英熟語 monthly. Most recently, 英熟語600問チャレンジ was updated on September 23, 2026 and シンプル英熟語 on September 17, 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.*