# 数学小博士之初试牛刀 vs 游信

The clearest difference is ads: 游信 at none against 数学小博士之初试牛刀's shown. 游信 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, 游信 every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 数学小博士之初试牛刀 | 游信 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 14 MB | 90 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [习堂 刘](https://appshunter.io/developer/998087258) | [武汉玩信网络科技有限公司](https://appshunter.io/developer/1434387074) |

## 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


### 游信

[App page](https://appshunter.io/ios/app/id1540268075)

This app is dedicated to recommending high-quality games to passionate players, offering a comprehensive service. It focuses on showcasing the true essence of gaming, free from excessive commercialization, and provides in-depth reviews and detailed game information.

**Highlights:** Curated game recommendations, In-depth game reviews, Detailed game databases, Pure gaming atmosphere, Diverse game types and tags, Real player testing and scoring

**Features:** macOS Compatibility

**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 游信 free?

游信 is free to download, with no in-app purchases.

### Do 数学小博士之初试牛刀 or 游信 have ads?

数学小博士之初试牛刀 shows ads; 游信 does not.

### Which is updated more often, 数学小博士之初试牛刀 or 游信?

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