# 数学小博士之初试牛刀 vs 校园随身行

The clearest difference is ads: 校园随身行 at none against 数学小博士之初试牛刀's shown. 校园随身行 also leads on update cadence (every 3 weeks vs every 13 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

数学小博士之初试牛刀 ships an update every 13 months, 校园随身行 every 3 weeks. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 数学小博士之初试牛刀 | 校园随身行 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Size | 14 MB | 76 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [习堂 刘](https://appshunter.io/developer/998087258) | [Beijing YuYueWuXian Culture Communication Co.,Ltd](https://appshunter.io/developer/1048865633) |

## What reviewers say

### 数学小博士之初试牛刀

[App page](https://appshunter.io/ios/app/id1024285199)

**Features:** macOS Compatibility

**In-app purchases:** none


### 校园随身行

[App page](https://appshunter.io/ios/app/id1048865634)

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

**In-app purchases:** none


## Frequently asked questions

### Is 数学小博士之初试牛刀 free?

数学小博士之初试牛刀 is free to download, with no in-app purchases.

### Is 校园随身行 free?

校园随身行 is free to download, with no in-app purchases.

### Do 数学小博士之初试牛刀 or 校园随身行 have ads?

数学小博士之初试牛刀 shows ads; 校园随身行 does not.

### Which is updated more often, 数学小博士之初试牛刀 or 校园随身行?

数学小博士之初试牛刀 ships an update every 13 months, and 校园随身行 every 3 weeks. Most recently, 数学小博士之初试牛刀 was updated on November 1, 2026 and 校园随身行 on October 26, 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.*