# 幼儿数独 vs Ruby Preschool Learning Games

The clearest difference is ads: Ruby Preschool Learning Games at none against 幼儿数独's shown. 幼儿数独's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 幼儿数独 sells 3 one-off in-app purchases and Ruby Preschool Learning Games sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

幼儿数独 ships an update every 6 weeks, Ruby Preschool Learning Games every 3 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 幼儿数独 | Ruby Preschool Learning Games |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 18 MB | 195 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杭州家之馨电子商务有限公司](https://appshunter.io/developer/1641228139) | [MagisterApp](https://appshunter.io/developer/705328916) |

## What reviewers say

### 幼儿数独

[App page](https://appshunter.io/ios/app/id6740262173)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $4.99 | one-time |
| 半年会员 | $7.99 | one-time |
| 年度会员 | $9.99 | one-time |


### Ruby Preschool Learning Games

[App page](https://appshunter.io/ios/app/ruby-preschool-learning-games/id6760698844)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MagisterApp Plus: 1 Month | $6.99 | per month |
| MagisterApp Plus: 1 Year | $39.99 | per year |
| Panda Preschool Full Version | $3.49 | one-time |


## Frequently asked questions

### Is 幼儿数独 free?

幼儿数独 is free to download, with in-app purchases available.

### Is Ruby Preschool Learning Games free?

Ruby Preschool Learning Games is free to download, with in-app purchases available.

### Do 幼儿数独 or Ruby Preschool Learning Games have ads?

幼儿数独 shows ads; Ruby Preschool Learning Games does not.

### Which is updated more often, 幼儿数独 or Ruby Preschool Learning Games?

幼儿数独 ships an update every 6 weeks, and Ruby Preschool Learning Games every 3 weeks. Most recently, 幼儿数独 was updated on October 7, 2026 and Ruby Preschool Learning Games on October 14, 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.*