Cosmo Desktop vs Skywatch Installer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cosmo Desktop
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.
- View NASA astronomy pictures
- User-friendly browsing interface
- Save pictures to photo album
- Set pictures as iOS wallpaper
- Free and ad-less experience
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Cosmo Desktop serves the latest NASA astronomy pictures http://apod.nasa.gov/ to your iOS device in a few clicks. You can let you slide and flip through all the pictures in a user-friendly manner. If you would like to use the pictures to be your iOS wallpaper, just export the pictures to your iOS Photo Album first. You can then select the pictures at your iOS settings. All astronomy pictures are courtesy of the NASA Astronomy Pictures of the Day under public domain, or their respective owners. The Cosmo Desktop will always be free and ad-less. Please direct your appreciations to the APOD team by Robert Nemiroff and Jerry Bonnell http://apod.nasa.gov/apod/lib/about_apod.html Cosmo Desktop is also available on the Mac App Store: http://itunes.apple.com/us/app/cosmo-desktop/id553916089?ls=1&mt=12
Skywatch Installer
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The Skywatch Installer is only for the certified installer.
Screenshots
Verdict
The clearest difference is update cadence: Skywatch Installer at every 3 months against Cosmo Desktop's every 10 months. Skywatch Installer also leads on iOS requirement (10.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Cosmo Desktop ships an update every 10 months, Skywatch Installer every 3 months. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.
| Parameter | Cosmo Desktop | Skywatch Installer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 90.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 10 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 10 MB |
| Age rating | 9+ | 4+ |
| Developer | Pulsely Consulting | SkyWatch Innovation |
In-app purchases
Cosmo Desktop
No in-app purchases
Skywatch Installer
No in-app purchases
Questions
Is Cosmo Desktop free?
Is Skywatch Installer free?
Do Cosmo Desktop or Skywatch Installer have ads?
Which is updated more often, Cosmo Desktop or Skywatch Installer?
Other comparisons
