# Solar Coaster vs Real Solar System

The clearest difference is update cadence: Real Solar System at monthly against Solar Coaster's every 3 months. Solar Coaster's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 17.6). On price, 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 ships an update every 3 months, Real Solar System monthly. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Solar Coaster | Real Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/solar-coaster/id1218422388/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 37 MB | 302 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Steve Lidie](https://appshunter.io/developer/1869780159) | [Masaya Nagaoka](https://appshunter.io/developer/1698240335) |

## 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


### Real Solar System

[App page](https://appshunter.io/ios/app/real-solar-system/id6475644962)

**In-app purchases:** none


## Frequently asked questions

### Is Solar Coaster free?

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

### Is Real Solar System free?

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

### Do Solar Coaster or Real Solar System have ads?

Neither Solar Coaster nor Real Solar System shows ads.

### Which is updated more often, Solar Coaster or Real Solar System?

Solar Coaster ships an update every 3 months, and Real Solar System monthly. Most recently, Solar Coaster was updated on September 22, 2026 and Real Solar System on September 20, 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.*