# 四字熟語クイズ vs Slice HEROES!

The clearest difference is rating: 四字熟語クイズ at 4.5 against Slice HEROES!'s 4.0. 四字熟語クイズ also leads on review sentiment (91% vs 74%) and ratings volume (20 vs 2). Slice HEROES!'s advantage is update cadence (every 2 months vs every 9 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 四字熟語クイズ sells 1 in-app purchase, starting at $1.99 per month and Slice HEROES! sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

四字熟語クイズ holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: 四字熟語クイズ has 20 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 91% of 四字熟語クイズ's written reviews are positive against 74% of Slice HEROES!'s.

四字熟語クイズ ships an update every 9 months, Slice HEROES! every 2 months. The most recent releases landed on October 11, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 四字熟語クイズ | Slice HEROES! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (20 ratings)](https://appshunter.io/ios/app/id440653555/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/slice-heroes/id949184293/reviews) |
| Number of ratings | **20** | 2 |
| Positive reviews | **90.9% of reviews** | 74.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 44 MB | 56 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [StudySwitch, Inc.](https://appshunter.io/developer/1368900403) | [Yuya Matsushima](https://appshunter.io/developer/755571887) |

## What reviewers say

### 四字熟語クイズ

[App page](https://appshunter.io/ios/app/id440653555)

Test your knowledge of Japanese four-character idioms with this quiz app. It features 137 idioms categorized by theme, perfect for learning and reinforcing general knowledge. Enjoy a popular and educational experience.

**Highlights:** 137 four-character idioms, Themed categories, General knowledge enhancement, Popular app, Free to play, Optional ad-free plan

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 学習集中プラン | $1.99 | per month |


### Slice HEROES!

[App page](https://appshunter.io/ios/app/slice-heroes/id949184293)

Test your anime knowledge by identifying famous characters from sliced images. With over 400 quizzes, you can challenge your brain and ask friends for help via social media if you get stuck. New quizzes are planned, and you can submit requests.

**Highlights:** Guess anime heroes from sliced images, Over 400 quizzes, Brain activation through recall, Share with friends on Twitter/Facebook, Request new quizzes

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| heart25 | $0.99 | one-time |
| heart50 | $1.99 | one-time |
| heart150 | $3.99 | one-time |
| heart350 | $7.99 | one-time |
| heart1150 | $24.99 | one-time |
| heart2000 | $40.99 | one-time |
| heart5000 | $79.99 | one-time |


## Frequently asked questions

### Is 四字熟語クイズ free?

四字熟語クイズ is free to download, with in-app purchases available.

### Is Slice HEROES! free?

Slice HEROES! is free to download, with in-app purchases available.

### Which has better reviews, 四字熟語クイズ or Slice HEROES!?

四字熟語クイズ is rated higher. 四字熟語クイズ averages 4.5 out of 5 from 20 ratings, while Slice HEROES! averages 4.0 from 2 ratings.

### Do 四字熟語クイズ or Slice HEROES! have ads?

Both 四字熟語クイズ and Slice HEROES! show ads.

### Which is updated more often, 四字熟語クイズ or Slice HEROES!?

四字熟語クイズ ships an update every 9 months, and Slice HEROES! every 2 months. Most recently, 四字熟語クイズ was updated on October 11, 2026 and Slice HEROES! on October 19, 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.*