# 趣味数学 vs 昆交河管

The clearest difference is update cadence: 昆交河管 at weekly against 趣味数学's every 24 months. 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.

趣味数学 ships an update every 24 months, 昆交河管 weekly. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 趣味数学 | 昆交河管 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Weekly** |
| Size | 78 MB | 55 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [雪芹 李](https://appshunter.io/developer/1507400358) | [Jiangsu Hongli Intelligent Techn ology Co.,Ltd](https://appshunter.io/developer/1406229895) |

## What reviewers say

### 趣味数学

[App page](https://appshunter.io/ios/app/id1507966275)

**Features:** macOS Compatibility

**In-app purchases:** none


### 昆交河管

[App page](https://appshunter.io/ios/app/id6444395787)

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

**In-app purchases:** none


## Frequently asked questions

### Is 趣味数学 free?

趣味数学 is free to download, with no in-app purchases.

### Is 昆交河管 free?

昆交河管 is free to download, with no in-app purchases.

### Do 趣味数学 or 昆交河管 have ads?

Neither 趣味数学 nor 昆交河管 shows ads.

### Which is updated more often, 趣味数学 or 昆交河管?

趣味数学 ships an update every 24 months, and 昆交河管 weekly. Most recently, 趣味数学 was updated on October 19, 2026 and 昆交河管 on October 25, 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.*