# 分秒算术 vs 自学英语外教通

The clearest difference is in-app purchases: 分秒算术 at none against 自学英语外教通's 10. 分秒算术 also leads on iOS requirement (10.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. 自学英语外教通 sells 7 one-off in-app purchases. 分秒算术 asks for nothing beyond the download.

## The numbers

| Metric | 分秒算术 | 自学英语外教通 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | — |
| Size | 24 MB | 61 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [镭瑚 王](https://appshunter.io/developer/1802522164) | [深圳市未来智联云科技有限公司](https://appshunter.io/developer/1895212307) |

## What reviewers say

### 分秒算术

[App page](https://appshunter.io/ios/app/1/id6746329322)

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

**In-app purchases:** none


### 自学英语外教通

[App page](https://appshunter.io/ios/app/id6763201460)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 外教按天套餐 | $0.99 | one-time |
| 会员月卡 | $6.99 | one-time |
| 会员季卡 | $17.99 | one-time |
| 外教包周套餐 | $17.99 | one-time |
| 会员年卡 | $39.99 | one-time |
| 外教包月套餐 | $39.99 | one-time |
| 外教包年套餐 | $149.99 | one-time |


## Frequently asked questions

### Is 分秒算术 free?

分秒算术 is free to download, with no in-app purchases.

### Is 自学英语外教通 free?

自学英语外教通 is free to download, with in-app purchases available.

### Do 分秒算术 or 自学英语外教通 have ads?

Neither 分秒算术 nor 自学英语外教通 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.*