# Brainy Sleuth vs Idiom Solitaire

The clearest difference is in-app purchases: Brainy Sleuth at none against Idiom Solitaire's 3. Idiom Solitaire's advantage is update cadence (every 4 weeks vs every 32 months) and ratings volume (3.3K vs 43). On price, ads and device support there is nothing between them.

Both are free to download. Idiom Solitaire sells 3 in-app purchases, starting at $2.99 per month. Brainy Sleuth asks for nothing beyond the download.

Idiom Solitaire holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Idiom Solitaire has 3.3K ratings behind it against 43, so its average is the more settled of the two.

Brainy Sleuth ships an update every 32 months, Idiom Solitaire every 4 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Brainy Sleuth | Idiom Solitaire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (43 ratings)](https://appshunter.io/ios/app/brainy-sleuth-riddle-quest/id1571292903/reviews) | **[4.7 (3.3K ratings)](https://appshunter.io/ios/app/idiom-solitaire/id1618185567/reviews)** |
| Number of ratings | 43 | **3.3K** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 32 months | **Every 4 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 202 MB | 136 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [魂动天下](https://appshunter.io/developer/1395851580) | [Aged Studio Limited](https://appshunter.io/developer/1482887934) |

## What reviewers say

### Brainy Sleuth

[App page](https://appshunter.io/ios/app/brainy-sleuth-riddle-quest/id1571292903)

This puzzle game offers over 500 challenging levels with diverse gameplay mechanics. It combines various puzzle types with unique mobile interactions for an engaging experience. Enjoy a humorous and educational journey through brain-teasing riddles.

**Highlights:** 500+ challenging levels, Brain-teasing riddles, Find the difference and hidden object gameplay, Unique mobile interactions, Humorous scenarios and answers, Educational content

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

**In-app purchases:** none


### Idiom Solitaire

[App page](https://appshunter.io/ios/app/idiom-solitaire/id1618185567)

This puzzle game challenges you to fill in missing characters to form correct four-character idioms on a grid. It offers a relaxing way to learn Chinese culture and improve literary knowledge while enjoying engaging gameplay and a beautiful interface.

**Highlights:** Idiom puzzle gameplay, Breakthrough mode, Idiom interpretation and learning, Hint and help functions, Ancient and elegant interface, Social media login and progress sync

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 移除廣告 + 無限提示/體力 - 一個月 | $2.99 | per month |
| 移除廣告 + 無限提示/體力 - 一個季度 | $7.99 | per 3 months |
| 移除廣告 + 無限提示/體力 - 一年 | $19.99 | per year |

**What reviewers like**

- 👍 Enjoyable and educational
- 🧠 Helps train thinking and memory
- 🏫 Useful for learning and reviewing idioms
- 🎓 Increases knowledge and vocabulary

**What reviewers complain about**

- 📺 Too many advertisements
- 🤔 Some idioms are incorrectly formatted

**Reported bugs**

- Connection issues causing game freezes
- Difficulty accessing paid features

**Requested features**

- Ability to save and revisit previous idioms
- Synchronization between mobile and tablet devices


## Frequently asked questions

### Is Brainy Sleuth free?

Brainy Sleuth is free to download, with no in-app purchases.

### Is Idiom Solitaire free?

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

### Which has better reviews, Brainy Sleuth or Idiom Solitaire?

Idiom Solitaire is rated higher. Brainy Sleuth averages 4.4 out of 5 from 43 ratings, while Idiom Solitaire averages 4.7 from 3.3K ratings.

### Do Brainy Sleuth or Idiom Solitaire have ads?

Both Brainy Sleuth and Idiom Solitaire show ads.

### Which is updated more often, Brainy Sleuth or Idiom Solitaire?

Brainy Sleuth ships an update every 32 months, and Idiom Solitaire every 4 weeks. Most recently, Brainy Sleuth was updated on October 25, 2026 and Idiom Solitaire 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.*