# 十万个为什么 vs 《AR全景看·国之重器》（第三辑）

The clearest difference is in-app purchases: 《AR全景看·国之重器》（第三辑） at none against 十万个为什么's 2. 十万个为什么's advantage is iOS requirement (8.0 vs 10.0). 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全景看·国之重器》（第三辑） asks for nothing beyond the download.

## The numbers

| Metric | 十万个为什么 | 《AR全景看·国之重器》（第三辑） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 213 MB | 1.7 GB |
| Requires iOS | **8.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou MXR Software Technology Co.,Ltd](https://appshunter.io/developer/484812886) | [Liaoning Children's Publishing House Co.,Ltd](https://appshunter.io/developer/1581070961) |

## 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全景看·国之重器》（第三辑）

[App page](https://appshunter.io/ios/app/ar/id6499201920)

**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全景看·国之重器》（第三辑） free?

《AR全景看·国之重器》（第三辑） is free to download, with no in-app purchases.

### Do 十万个为什么 or 《AR全景看·国之重器》（第三辑） have ads?

Neither 十万个为什么 nor 《AR全景看·国之重器》（第三辑） shows ads.

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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.*