# Mega Constellations vs Hubble Space Telescope Tracker

The clearest difference is rating: Mega Constellations at 5.0 against Hubble Space Telescope Tracker's 1.0. Mega Constellations also leads on ads (none vs shown) and update cadence (every 5 days vs every 3 months). Hubble Space Telescope Tracker's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Mega Constellations sells 1 one-off in-app purchase and Hubble Space Telescope Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mega Constellations holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Mega Constellations ships an update every 5 days, Hubble Space Telescope Tracker every 3 months. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Mega Constellations | Hubble Space Telescope Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mega-constellations/id1598820453/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/hubble-space-telescope-tracker/id6468819172/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 72 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hanno Rein](https://appshunter.io/developer/325840976) | [KAKHA GIORGASHVILI](https://appshunter.io/developer/1501353984) |

## What reviewers say

### Mega Constellations

[App page](https://appshunter.io/ios/app/mega-constellations/id1598820453)

Explore the visual impact of large satellite networks on the night sky. This simulator shows how current and planned mega-constellations affect stargazing based on your location, time, and date.

**Highlights:** Simulates mega-constellation orbits, Visualizes impact on stargazing, Adjustable location, time, and date, Explores effects on astronomy, Shows current and planned constellations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Developer Appreciation Coffee | $1.99 | one-time |


### 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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Mega Constellations free?

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

### Is Hubble Space Telescope Tracker free?

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

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

Mega Constellations is rated higher. Mega Constellations averages 5.0 out of 5 from 1 ratings, while Hubble Space Telescope Tracker averages 1.0 from 2 ratings.

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

Hubble Space Telescope Tracker shows ads; Mega Constellations does not.

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

Mega Constellations ships an update every 5 days, and Hubble Space Telescope Tracker every 3 months. Most recently, Mega Constellations was updated on October 8, 2026 and Hubble Space Telescope Tracker on October 12, 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.*