# 百科知识问答 vs 脑筋急转弯3000问

百科知识问答 and 脑筋急转弯3000问 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

百科知识问答 ships an update every 52 months, 脑筋急转弯3000问 every 71 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 百科知识问答 | 脑筋急转弯3000问 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 52 months** | Every 71 months |
| Size | 19 MB | 6 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Yuanhao Information Technology Co., Ltd.](https://appshunter.io/developer/697767253) | [正峰 裴](https://appshunter.io/developer/1437867699) |

## What reviewers say

### 百科知识问答

[App page](https://appshunter.io/ios/app/id900775826)

**Features:** macOS Compatibility

**In-app purchases:** none


### 脑筋急转弯3000问

[App page](https://appshunter.io/ios/app/3000/id1525086381)

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

**In-app purchases:** none


## Frequently asked questions

### Is 百科知识问答 free?

百科知识问答 is free to download, with no in-app purchases.

### Is 脑筋急转弯3000问 free?

脑筋急转弯3000问 is free to download, with no in-app purchases.

### Do 百科知识问答 or 脑筋急转弯3000问 have ads?

Both 百科知识问答 and 脑筋急转弯3000问 show ads.

### Which is updated more often, 百科知识问答 or 脑筋急转弯3000问?

百科知识问答 ships an update every 52 months, and 脑筋急转弯3000问 every 71 months. Most recently, 百科知识问答 was updated on November 6, 2026 and 脑筋急转弯3000问 on November 3, 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.*