# 允記 Wan Kee vs SO YAY

The clearest difference is update cadence: SO YAY at every 2 weeks against 允記 Wan Kee's every 4 months. SO YAY also leads on iOS requirement (13.0 vs 15.1). 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.

允記 Wan Kee ships an update every 4 months, SO YAY every 2 weeks. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 允記 Wan Kee | SO YAY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 39 MB | 274 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Mobile.Cards](https://appshunter.io/developer/1482377859) | [易系统科技有限公司](https://appshunter.io/developer/1407109252) |

## What reviewers say

### 允記 Wan Kee

[App page](https://appshunter.io/ios/app/wan-kee/id1504606570)

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

**In-app purchases:** none


### SO YAY

[App page](https://appshunter.io/ios/app/so-yay/id6526466933)

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

**In-app purchases:** none


## Frequently asked questions

### Is 允記 Wan Kee free?

允記 Wan Kee is free to download, with no in-app purchases.

### Is SO YAY free?

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

### Do 允記 Wan Kee or SO YAY have ads?

Neither 允記 Wan Kee nor SO YAY shows ads.

### Which is updated more often, 允記 Wan Kee or SO YAY?

允記 Wan Kee ships an update every 4 months, and SO YAY every 2 weeks. Most recently, 允記 Wan Kee was updated on October 16, 2026 and SO YAY on October 4, 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.*