# Solar Coaster vs Earth's Core

The clearest difference is rating: Solar Coaster at 5.0 against Earth's Core's 4.3. Solar Coaster also leads on update cadence (every 3 months vs every 70 months). Earth's Core's advantage is iOS requirement (12.0 vs 14.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Solar Coaster holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Solar Coaster ships an update every 3 months, Earth's Core every 70 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Solar Coaster | Earth's Core |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/solar-coaster/id1218422388/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/earths-core/id1220835186/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 70 months |
| Monetization | Free | Free |
| Size | 37 MB | 54 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Steve Lidie](https://appshunter.io/developer/1869780159) | [Celestial Dynamics AG](https://appshunter.io/developer/997250789) |

## What reviewers say

### Solar Coaster

[App page](https://appshunter.io/ios/app/solar-coaster/id1218422388)

Visualize the precise movements of the Sun and Moon with 3D graphs, eclipse details, and rise/set times. This app offers offline calculations for celestial positions and moon phases, making it ideal for astronomy enthusiasts.

**Highlights:** 3D movement graphs, Eclipse information and circumstances, Rise and set times, Moon phase and illumination, Offline astronomical data, Local horizontal coordinate system

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Solar Coaster free?

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

### Is Earth's Core free?

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

### Which has better reviews, Solar Coaster or Earth's Core?

Solar Coaster is rated higher. Solar Coaster averages 5.0 out of 5 from 2 ratings, while Earth's Core averages 4.3 from 4 ratings.

### Do Solar Coaster or Earth's Core have ads?

Neither Solar Coaster nor Earth's Core shows ads.

### Which is updated more often, Solar Coaster or Earth's Core?

Solar Coaster ships an update every 3 months, and Earth's Core every 70 months. Most recently, Solar Coaster was updated on October 24, 2026 and Earth's Core on October 24, 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.*