# 平行四邊形 vs Super Space Learning Centre

The clearest difference is update cadence: Super Space Learning Centre at every 3 months against 平行四邊形's every 36 months. 平行四邊形's advantage is iOS requirement (6.0 vs 15.6). 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.

平行四邊形 ships an update every 36 months, Super Space Learning Centre every 3 months. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 平行四邊形 | Super Space Learning Centre |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 3 months** |
| Size | 22 MB | 12 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [Dreamware Limited](https://appshunter.io/developer/892413586) |

## What reviewers say

### 平行四邊形

[App page](https://appshunter.io/ios/app/id950930908)

**Features:** macOS Compatibility

**In-app purchases:** none


### Super Space Learning Centre

[App page](https://appshunter.io/ios/app/super-space-learning-centre/id1640815996)

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

**In-app purchases:** none


## Frequently asked questions

### Is 平行四邊形 free?

平行四邊形 is free to download, with no in-app purchases.

### Is Super Space Learning Centre free?

Super Space Learning Centre is free to download, with no in-app purchases.

### Do 平行四邊形 or Super Space Learning Centre have ads?

Neither 平行四邊形 nor Super Space Learning Centre shows ads.

### Which is updated more often, 平行四邊形 or Super Space Learning Centre?

平行四邊形 ships an update every 36 months, and Super Space Learning Centre every 3 months. Most recently, 平行四邊形 was updated on October 12, 2026 and Super Space Learning Centre on October 18, 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.*