# QuackyBrush vs COSMOS

The clearest difference is monetization model: QuackyBrush at free against COSMOS's paid. COSMOS's advantage is iOS requirement (15.0 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for QuackyBrush against 5.0 for COSMOS. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

## The numbers

| Metric | QuackyBrush | COSMOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/quackybrush/id6766748085/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/cosmos-3d-solar-system/id6792780408/reviews) |
| Number of ratings | 3 | 3 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | **Free** | Paid |
| Size | 22 MB | 4 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Porter360, LLC](https://appshunter.io/developer/1896321005) | [yuudai tasaki](https://appshunter.io/developer/1861229093) |

## What reviewers say

### QuackyBrush

[App page](https://appshunter.io/ios/app/quackybrush/id6766748085)

Create and paint 3D models using intuitive tools and primitives. Sculpt characters, props, or geometric art, then bring them to life with color. Save your creations and render them in scenes.

**Highlights:** Place and manipulate 3D primitives, Negative-space carving, Group and pre-bake model components, Mirroring for symmetry, Direct surface painting, Scene creation with lighting, AR placement

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

**In-app purchases:** none


### COSMOS

[App page](https://appshunter.io/ios/app/cosmos-3d-solar-system/id6792780408)

Explore a real-time 3D model of the solar system, accurately depicting planet positions based on orbital mechanics. Zoom in on celestial bodies, control time to view past or future sky events, and learn details about each planet. This app offers an ad-free, offline experience with a one-time purchase.

**Highlights:** Real-time planet and moon positions, Scrub through time for past/future views, Photo-realistic textures, Adjustable time scale, Free exploration with pinch and swipe, Detailed information on celestial bodies

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

**In-app purchases:** none


## Frequently asked questions

### Is QuackyBrush free?

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

### Is COSMOS free?

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

### Which has better reviews, QuackyBrush or COSMOS?

QuackyBrush and COSMOS are both rated 5.0 out of 5 on the App Store, from 3 and 3 ratings respectively.

### Do QuackyBrush or COSMOS have ads?

Neither QuackyBrush nor COSMOS shows ads.

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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.*