# 十万个为什么 vs AR百科学堂

The clearest difference is in-app purchases: AR百科学堂 at none against 十万个为什么's 2. AR百科学堂 also leads on update cadence (weekly vs every 3 weeks). 十万个为什么's advantage is iOS requirement (8.0 vs 11.0). On price, ads and device support there is nothing between them.

Both are free to download. 十万个为什么 sells 2 one-off in-app purchases. AR百科学堂 asks for nothing beyond the download.

十万个为什么 ships an update every 3 weeks, AR百科学堂 weekly. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 十万个为什么 | AR百科学堂 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ar/id1502976036/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 213 MB | 615 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou MXR Software Technology Co.,Ltd](https://appshunter.io/developer/484812886) | [Shenzhen Weijing Technology Co.,Ltd.](https://appshunter.io/developer/1502080272) |

## What reviewers say

### 十万个为什么

[App page](https://appshunter.io/ios/app/4d-ar/id1257600706)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25元 | $3.99 | one-time |
| 40元 | $5.99 | one-time |


### AR百科学堂

[App page](https://appshunter.io/ios/app/ar/id1502976036)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 十万个为什么 free?

十万个为什么 is free to download, with in-app purchases available.

### Is AR百科学堂 free?

AR百科学堂 is free to download, with no in-app purchases.

### Do 十万个为什么 or AR百科学堂 have ads?

Neither 十万个为什么 nor AR百科学堂 shows ads.

### Which is updated more often, 十万个为什么 or AR百科学堂?

十万个为什么 ships an update every 3 weeks, and AR百科学堂 weekly. Most recently, 十万个为什么 was updated on October 12, 2026 and AR百科学堂 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.*