# KeyPass vs 数学小练

The clearest difference is update cadence: 数学小练 at every 5 days against KeyPass's every 2 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.

KeyPass ships an update every 2 months, 数学小练 every 5 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | KeyPass | 数学小练 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 22 MB | 34 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [斯理 梁](https://appshunter.io/developer/1883632984) | [杰 吴](https://appshunter.io/developer/1639314105) |

## What reviewers say

### KeyPass

[App page](https://appshunter.io/ios/app/keypass/id6761231171)

**Features:** Vision Pro support

**In-app purchases:** none


### 数学小练

[App page](https://appshunter.io/ios/app/id6772970960)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KeyPass free?

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

### Is 数学小练 free?

数学小练 is free to download, with no in-app purchases.

### Do KeyPass or 数学小练 have ads?

Neither KeyPass nor 数学小练 shows ads.

### Which is updated more often, KeyPass or 数学小练?

KeyPass ships an update every 2 months, and 数学小练 every 5 days. Most recently, KeyPass was updated on October 8, 2026 and 数学小练 on October 6, 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.*