# Cosmo Desktop vs SpinDraw 3D

The clearest difference is ads: Cosmo Desktop at none against SpinDraw 3D's shown. Cosmo Desktop also leads on rating (5.0 vs 4.6) and review sentiment (90% vs 71%). SpinDraw 3D's advantage is ratings volume (16 vs 2) and iOS requirement (14.1 vs 16.0). On price, 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.

Cosmo Desktop holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: SpinDraw 3D has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 90% of Cosmo Desktop's written reviews are positive against 71% of SpinDraw 3D's.

Cosmo Desktop ships an update every 10 months, SpinDraw 3D every 23 months. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Cosmo Desktop | SpinDraw 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cosmo-desktop/id556217911/reviews)** | [4.6 (16 ratings)](https://appshunter.io/ios/app/spindraw-3d/id1326707226/reviews) |
| Number of ratings | 2 | **16** |
| Positive reviews | **90.0% of reviews** | 71.4% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 months** | Every 23 months |
| Monetization | **Free** | Ad-supported |
| Size | 6 MB | 24 MB |
| Requires iOS | 16.0 | **14.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Pulsely Consulting](https://appshunter.io/developer/475349326) | [Joshua Davis](https://appshunter.io/developer/1326707225) |

## What reviewers say

### Cosmo Desktop

[App page](https://appshunter.io/ios/app/cosmo-desktop/id556217911)

Access stunning NASA astronomy pictures on your iOS device. Easily browse, save, and set them as your wallpaper. Enjoy a user-friendly interface for exploring the cosmos.

**Highlights:** View NASA astronomy pictures, User-friendly browsing interface, Save pictures to photo album, Set pictures as iOS wallpaper, Free and ad-less experience

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

**In-app purchases:** none


### SpinDraw 3D

[App page](https://appshunter.io/ios/app/spindraw-3d/id1326707226)

Create mesmerizing visual experiences by drawing with resizable spinning shapes like rectangles and triangles. This app serves as both a fun tool and an educational aid, perfect for learning letters and practicing formation. Adjust speed, pause, and change shape sizes for a dynamic drawing adventure.

**Highlights:** Resizable spinning shapes, Letter tracing for learning, Adjustable speed and pause controls, Create unique visual art, Educational tool for children

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cosmo Desktop free?

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

### Is SpinDraw 3D free?

SpinDraw 3D is free to download, with no in-app purchases.

### Which has better reviews, Cosmo Desktop or SpinDraw 3D?

Cosmo Desktop is rated higher. Cosmo Desktop averages 5.0 out of 5 from 2 ratings, while SpinDraw 3D averages 4.6 from 16 ratings.

### Do Cosmo Desktop or SpinDraw 3D have ads?

SpinDraw 3D shows ads; Cosmo Desktop does not.

### Which is updated more often, Cosmo Desktop or SpinDraw 3D?

Cosmo Desktop ships an update every 10 months, and SpinDraw 3D every 23 months. Most recently, Cosmo Desktop was updated on October 25, 2026 and SpinDraw 3D on October 22, 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.*