# 英熟語600問チャレンジ vs コツコツバンク

The clearest difference is in-app purchases: コツコツバンク at none against 英熟語600問チャレンジ's 4. コツコツバンク also leads on ads (none vs shown) and update cadence (every 3 days vs every 6 weeks). 英熟語600問チャレンジ's advantage is iOS requirement (16.6 vs 26.5). On price and device support 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. コツコツバンク asks for nothing beyond the download.

英熟語600問チャレンジ ships an update every 6 weeks, コツコツバンク every 3 days. The most recent releases landed on October 24, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 英熟語600問チャレンジ | コツコツバンク |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 19 MB | 7 MB |
| Requires iOS | **16.6** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Keiko Yukawa](https://appshunter.io/developer/719596665) | [JPjoy Inc.](https://appshunter.io/developer/1822701277) |

## 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 |


### コツコツバンク

[App page](https://appshunter.io/ios/app/id6811465110)

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

**In-app purchases:** none


## 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 コツコツバンク free?

コツコツバンク is free to download, with no in-app purchases.

### Do 英熟語600問チャレンジ or コツコツバンク have ads?

英熟語600問チャレンジ shows ads; コツコツバンク does not.

### Which is updated more often, 英熟語600問チャレンジ or コツコツバンク?

英熟語600問チャレンジ ships an update every 6 weeks, and コツコツバンク every 3 days. Most recently, 英熟語600問チャレンジ was updated on October 24, 2026 and コツコツバンク on November 1, 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.*