# Skylob vs Hubble

The clearest difference is rating: Skylob at 5.0 against Hubble's 3.0. Skylob also leads on in-app purchases (none vs 1) and ads (none vs shown). Hubble's advantage is iOS requirement (13.0 vs 17.0). On price, ratings volume and device support there is nothing between them.

Both are free to download. Hubble sells 1 one-off in-app purchase. Skylob asks for nothing beyond the download.

Skylob holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Skylob ships an update every 3 weeks, Hubble every 23 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Skylob | Hubble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skylob/id1538744084/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/hubble-deep-space-2/id1615227352/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 23 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 1.7 GB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Kyle Cheng](https://appshunter.io/developer/1518774140) | [Alparslan Topbas](https://appshunter.io/developer/1130875171) |

## What reviewers say

### Skylob

[App page](https://appshunter.io/ios/app/skylob/id1538744084)

Explore the vastness of the observable universe, from its immense size to the accelerating expansion driven by dark energy. Discover how our cosmological horizon is shrinking, making parts of the cosmos permanently unknowable. This app invites contemplation on our place within this cosmic immensity.

**Highlights:** Observable universe scale, Dark energy and expansion, Cosmological horizon explained, Our place in the cosmos, Scientific concepts simplified

**Features:** macOS Compatibility

**In-app purchases:** none


### Hubble

[App page](https://appshunter.io/ios/app/hubble-deep-space-2/id1615227352)

Explore the universe with stunning images and videos from the Hubble Space Telescope. Discover detailed information about deep space objects and view 3D models. Enjoy an immersive educational experience.

**Highlights:** Browse 550+ high-resolution space photos, Detailed information on space objects, Full-screen slideshow mode, Zoomable image gallery, 220+ educational videos, Interactive 3D models

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hubble: Deep Space 2 - Ad-Free | $0.99 | one-time |


## Frequently asked questions

### Is Skylob free?

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

### Is Hubble free?

Hubble is free to download, with in-app purchases available.

### Which has better reviews, Skylob or Hubble?

Skylob is rated higher. Skylob averages 5.0 out of 5 from 1 ratings, while Hubble averages 3.0 from 2 ratings.

### Do Skylob or Hubble have ads?

Hubble shows ads; Skylob does not.

### Which is updated more often, Skylob or Hubble?

Skylob ships an update every 3 weeks, and Hubble every 23 months. Most recently, Skylob was updated on October 24, 2026 and Hubble on October 16, 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.*