# Cosmo Desktop vs Nebulis

The clearest difference is price: Cosmo Desktop at Free against Nebulis's $4.99. Nebulis's advantage is update cadence (every 2 weeks vs every 10 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Cosmo Desktop is free to download; Nebulis costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cosmo Desktop ships an update every 10 months, Nebulis every 2 weeks. The most recent releases landed on October 23, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Cosmo Desktop | Nebulis |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cosmo-desktop/id556217911/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 6 MB | 15 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple TV** |
| Age rating | 9+ | 4+ |
| Developer | [Pulsely Consulting](https://appshunter.io/developer/475349326) | [Brentley Catoe](https://appshunter.io/developer/1883550513) |

## 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


### Nebulis

[App page](https://appshunter.io/ios/app/nebulis/id6769902885)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cosmo Desktop free?

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

### Is Nebulis free?

Nebulis costs $4.99, with no in-app purchases.

### Do Cosmo Desktop or Nebulis have ads?

Neither Cosmo Desktop nor Nebulis shows ads.

### Which is updated more often, Cosmo Desktop or Nebulis?

Cosmo Desktop ships an update every 10 months, and Nebulis every 2 weeks. Most recently, Cosmo Desktop was updated on October 23, 2026 and Nebulis on October 17, 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.*