# e+ 基本乘法 vs 九九星球：乘法大冒險

The clearest difference is in-app purchases: e+ 基本乘法 at none against 九九星球：乘法大冒險's 1. e+ 基本乘法 also leads on iOS requirement (10.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 九九星球：乘法大冒險 sells 1 one-off in-app purchase. e+ 基本乘法 asks for nothing beyond the download.

## The numbers

| Metric | e+ 基本乘法 | 九九星球：乘法大冒險 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 28 MB | 88 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 9+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [HSIHSUN HO](https://appshunter.io/developer/6774536504) |

## What reviewers say

### e+ 基本乘法

[App page](https://appshunter.io/ios/app/e-plus/id1669378573)

**In-app purchases:** none


### 九九星球：乘法大冒險

[App page](https://appshunter.io/ios/app/id6812527599)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解鎖全部乘法題庫 | $1.99 | one-time |


## Frequently asked questions

### Is e+ 基本乘法 free?

e+ 基本乘法 is free to download, with no in-app purchases.

### Is 九九星球：乘法大冒險 free?

九九星球：乘法大冒險 is free to download, with in-app purchases available.

### Do e+ 基本乘法 or 九九星球：乘法大冒險 have ads?

Neither e+ 基本乘法 nor 九九星球：乘法大冒險 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.*