# 斯尔题库 vs BT学术练习

The clearest difference is iOS requirement: 斯尔题库 at 13.0 against BT学术练习's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | 斯尔题库 | BT学术练习 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 155 MB | 4 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [北京斯尔科技有限公司](https://appshunter.io/developer/1472967489) | [杭州矩路科技有限公司](https://appshunter.io/developer/1465038873) |

## What reviewers say

### 斯尔题库

[App page](https://appshunter.io/ios/app/id6752987989)

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

**In-app purchases:** none


### BT学术练习

[App page](https://appshunter.io/ios/app/bt/id6758392013)

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

**In-app purchases:** none


## Frequently asked questions

### Is 斯尔题库 free?

斯尔题库 is free to download, with no in-app purchases.

### Is BT学术练习 free?

BT学术练习 is free to download, with no in-app purchases.

### Do 斯尔题库 or BT学术练习 have ads?

Neither 斯尔题库 nor BT学术练习 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.*