# Hubble vs Hubble Space Telescope Tracker

The clearest difference is rating: Hubble at 4.4 against Hubble Space Telescope Tracker's 1.0. Hubble also leads on in-app purchases (none vs 1) and ratings volume (9 vs 2). Hubble Space Telescope Tracker's advantage is iOS requirement (12.0 vs 17.0). On price, review sentiment, update cadence and ads there is nothing between them.

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

Hubble holds the better App Store score, 4.4 against 1.0. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Hubble ships an update every 5 months, Hubble Space Telescope Tracker every 3 months. The most recent releases landed on October 29, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Hubble | Hubble Space Telescope Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/hubble-deep-space/id1545745146/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/hubble-space-telescope-tracker/id6468819172/reviews) |
| Number of ratings | **9** | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 2.9 GB | 72 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Alparslan Topbas](https://appshunter.io/developer/1130875171) | [KAKHA GIORGASHVILI](https://appshunter.io/developer/1501353984) |

## What reviewers say

### Hubble

[App page](https://appshunter.io/ios/app/hubble-deep-space/id1545745146)

Explore the universe in high definition with stunning images from the Hubble Space Telescope. Discover galaxies, nebulae, and star clusters with detailed descriptions and an immersive slideshow experience. Stay updated with the latest cosmic discoveries.

**Highlights:** High-resolution cosmic image gallery, Immersive slideshow mode, Searchable database of celestial objects, Detailed scientific descriptions, Real-time updates for 'Picture of the Week', Links to NASA/ESA archives

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

**In-app purchases:** none


### Hubble Space Telescope Tracker

[App page](https://appshunter.io/ios/app/hubble-space-telescope-tracker/id6468819172)

Follow NASA's Hubble Space Telescope mission in real time. Explore a gallery of stunning images, engage in discussions, and learn about space. Receive notifications for new discoveries and test your knowledge with quizzes.

**Highlights:** Real-time mission progress, Image gallery, Discussion forums, Notifications for new images, 3D Solar system model, Ask an Astronomer feature

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


## Frequently asked questions

### Is Hubble free?

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

### Is Hubble Space Telescope Tracker free?

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

### Which has better reviews, Hubble or Hubble Space Telescope Tracker?

Hubble is rated higher. Hubble averages 4.4 out of 5 from 9 ratings, while Hubble Space Telescope Tracker averages 1.0 from 2 ratings.

### Do Hubble or Hubble Space Telescope Tracker have ads?

Both Hubble and Hubble Space Telescope Tracker show ads.

### Which is updated more often, Hubble or Hubble Space Telescope Tracker?

Hubble ships an update every 5 months, and Hubble Space Telescope Tracker every 3 months. Most recently, Hubble was updated on October 29, 2026 and Hubble Space Telescope Tracker on November 1, 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.*