# SixClouds vs Kidz Castle Learning Center

The clearest difference is in-app purchases: Kidz Castle Learning Center at none against SixClouds's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SixClouds sells 10 one-off in-app purchases. Kidz Castle Learning Center asks for nothing beyond the download.

SixClouds ships an update every 3 months, Kidz Castle Learning Center every 2 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SixClouds | Kidz Castle Learning Center |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 35 MB | 116 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SixClouds Pte Ltd](https://appshunter.io/developer/1451386327) | [Alok .](https://appshunter.io/developer/1462951236) |

## What reviewers say

### SixClouds

[App page](https://appshunter.io/ios/app/sixclouds/id1451386328)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grade 6 | $119.99 | one-time |
| Grade 1 | $119.99 | one-time |
| Grade 4 | $119.99 | one-time |
| Grade 5 | $119.99 | one-time |
| Primary 1 | $119.99 | one-time |
| Primary 2 | $119.99 | one-time |
| Primary 3 | $119.99 | one-time |
| Primary 4 | $119.99 | one-time |
| Primary 5 | $119.99 | one-time |
| Primary 6 | $119.99 | one-time |


### Kidz Castle Learning Center

[App page](https://appshunter.io/ios/app/kidz-castle-learning-center/id1530262068)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SixClouds free?

SixClouds is free to download, with in-app purchases available.

### Is Kidz Castle Learning Center free?

Kidz Castle Learning Center is free to download, with no in-app purchases.

### Do SixClouds or Kidz Castle Learning Center have ads?

Neither SixClouds nor Kidz Castle Learning Center shows ads.

### Which is updated more often, SixClouds or Kidz Castle Learning Center?

SixClouds ships an update every 3 months, and Kidz Castle Learning Center every 2 months. Most recently, SixClouds was updated on October 25, 2026 and Kidz Castle Learning Center on October 27, 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.*