# 答案之书 vs 疯狂最强脑洞：脑力考验智力模拟游戏

The clearest difference is in-app purchases: 疯狂最强脑洞：脑力考验智力模拟游戏 at none against 答案之书's 1. 答案之书's advantage is review sentiment (17% vs 0%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 答案之书 sells 1 one-off in-app purchase. 疯狂最强脑洞：脑力考验智力模拟游戏 asks for nothing beyond the download.

答案之书 ships an update every 12 months, 疯狂最强脑洞：脑力考验智力模拟游戏 every 9 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | 答案之书 | 疯狂最强脑洞：脑力考验智力模拟游戏 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/id6448486087/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **16.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 9 months** |
| Size | 6 MB | 52 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [唯墨科技](https://appshunter.io/developer/1240699340) | [Shenzhen Rongyan Technology Co., Ltd](https://appshunter.io/developer/1569763035) |

## What reviewers say

### 答案之书

[App page](https://appshunter.io/ios/app/id1475703134)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁无限问题 | $0.99 | one-time |


### 疯狂最强脑洞：脑力考验智力模拟游戏

[App page](https://appshunter.io/ios/app/id6448486087)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 答案之书 free?

答案之书 is free to download, with in-app purchases available.

### Is 疯狂最强脑洞：脑力考验智力模拟游戏 free?

疯狂最强脑洞：脑力考验智力模拟游戏 is free to download, with no in-app purchases.

### Do 答案之书 or 疯狂最强脑洞：脑力考验智力模拟游戏 have ads?

Both 答案之书 and 疯狂最强脑洞：脑力考验智力模拟游戏 show ads.

### Which is updated more often, 答案之书 or 疯狂最强脑洞：脑力考验智力模拟游戏?

答案之书 ships an update every 12 months, and 疯狂最强脑洞：脑力考验智力模拟游戏 every 9 months. Most recently, 答案之书 was updated on October 24, 2026 and 疯狂最强脑洞：脑力考验智力模拟游戏 on October 24, 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.*