# ASTAR 4D vs Kuvshin ROOSSA

The clearest difference is update cadence: ASTAR 4D at every 5 months against Kuvshin ROOSSA's every 19 months. Kuvshin ROOSSA's advantage is iOS requirement (13.0 vs 15.0). 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.

ASTAR 4D ships an update every 5 months, Kuvshin ROOSSA every 19 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ASTAR 4D | Kuvshin ROOSSA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (8 ratings)](https://appshunter.io/ios/app/astar-4d/id1490993407/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 19 months |
| Monetization | Free | — |
| Size | 1.0 GB | 123 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [integer AR](https://appshunter.io/developer/1156869823) | [Andrey Polyak](https://appshunter.io/developer/1096736813) |

## What reviewers say

### ASTAR 4D

[App page](https://appshunter.io/ios/app/astar-4d/id1490993407)

This educational app uses augmented reality to bring printed books to life. It transforms static images into interactive 3D models, enhancing learning for students. Explore anatomy, space, technology, and nature through engaging visualizations and audio.

**Highlights:** Augmented reality 3D models, Interactive visualizations, Spatial reasoning development, Imagination enhancement, Volume design skills, Audio accompaniment

**Features:** macOS Compatibility

**In-app purchases:** none


### Kuvshin ROOSSA

[App page](https://appshunter.io/ios/app/kuvshin-roossa/id6448630099)

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

**In-app purchases:** none


## Frequently asked questions

### Is ASTAR 4D free?

ASTAR 4D is free to download, with no in-app purchases.

### Is Kuvshin ROOSSA free?

Kuvshin ROOSSA is free to download, with no in-app purchases.

### Do ASTAR 4D or Kuvshin ROOSSA have ads?

Neither ASTAR 4D nor Kuvshin ROOSSA shows ads.

### Which is updated more often, ASTAR 4D or Kuvshin ROOSSA?

ASTAR 4D ships an update every 5 months, and Kuvshin ROOSSA every 19 months. Most recently, ASTAR 4D was updated on October 26, 2026 and Kuvshin ROOSSA 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.*