# Sunja vs YKSup/LGSup

The clearest difference is in-app purchases: YKSup/LGSup at none against Sunja's 2. YKSup/LGSup also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Sunja sells 2 in-app purchases, starting at $29.99 per month. YKSup/LGSup asks for nothing beyond the download.

Sunja ships an update every 5 months, YKSup/LGSup every 3 months. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sunja | YKSup/LGSup |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 70 MB | 37 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sunja Labs Private Limited](https://appshunter.io/developer/1774734869) | [Fikret Arici](https://appshunter.io/developer/1885931987) |

## What reviewers say

### Sunja

[App page](https://appshunter.io/ios/app/sunja-interactive-3d-science/id6760365462)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Learning | $29.99 | per month |
| Annual Learning | $199.99 | per year |


### YKSup/LGSup

[App page](https://appshunter.io/ios/app/yksuplgsup/id6760728327)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sunja free?

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

### Is YKSup/LGSup free?

YKSup/LGSup is free to download, with no in-app purchases.

### Do Sunja or YKSup/LGSup have ads?

Sunja shows ads; YKSup/LGSup does not.

### Which is updated more often, Sunja or YKSup/LGSup?

Sunja ships an update every 5 months, and YKSup/LGSup every 3 months. Most recently, Sunja was updated on October 24, 2026 and YKSup/LGSup on October 31, 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.*