# Earth's Core vs Mega Constellations

The clearest difference is rating: Mega Constellations at 5.0 against Earth's Core's 4.3. Mega Constellations also leads on update cadence (every 5 days vs every 70 months). Earth's Core's advantage is in-app purchases (none vs 1) and ratings volume (4 vs 1). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Mega Constellations sells 1 one-off in-app purchase. Earth's Core asks for nothing beyond the download.

Mega Constellations holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Earth's Core ships an update every 70 months, Mega Constellations every 5 days. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Earth's Core | Mega Constellations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (4 ratings)](https://appshunter.io/ios/app/earths-core/id1220835186/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mega-constellations/id1598820453/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 70 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 54 MB | 16 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Celestial Dynamics AG](https://appshunter.io/developer/997250789) | [Hanno Rein](https://appshunter.io/developer/325840976) |

## What reviewers say

### Earth's Core

[App page](https://appshunter.io/ios/app/earths-core/id1220835186)

Explore the internal structure of our planet with a detailed view of Earth's layers. Discover the composition, temperature, and depth of each section, from the crust to the core. This educational tool provides a fascinating look beneath your feet.

**Highlights:** Visualize Earth's internal structure, Explore planet layers, Discover layer temperatures, Learn layer depths, Detailed look inside the planet

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Earth's Core free?

Earth's Core is free to download, with no in-app purchases.

### Is Mega Constellations free?

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

### Which has better reviews, Earth's Core or Mega Constellations?

Mega Constellations is rated higher. Earth's Core averages 4.3 out of 5 from 4 ratings, while Mega Constellations averages 5.0 from 1 ratings.

### Do Earth's Core or Mega Constellations have ads?

Neither Earth's Core nor Mega Constellations shows ads.

### Which is updated more often, Earth's Core or Mega Constellations?

Earth's Core ships an update every 70 months, and Mega Constellations every 5 days. Most recently, Earth's Core was updated on October 16, 2026 and Mega Constellations on October 8, 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.*