# Solar Coaster vs Fulcanelli

The clearest difference is update cadence: Fulcanelli at every 5 days against Solar Coaster's every 3 months. Solar Coaster's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Solar Coaster against 5.0 for Fulcanelli. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Solar Coaster ships an update every 3 months, Fulcanelli every 5 days. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Solar Coaster | Fulcanelli |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/solar-coaster/id1218422388/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/fulcanelli/id6788643149/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 37 MB | 5 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Steve Lidie](https://appshunter.io/developer/1869780159) | [mark hendrickson](https://appshunter.io/developer/6788643151) |

## 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


### Fulcanelli

[App page](https://appshunter.io/ios/app/fulcanelli/id6788643149)

Monitor live Earth activity including earthquakes and space weather on an interactive map. Receive daily intelligence briefings summarizing seismic and geomagnetic conditions. This app provides pattern analysis and education, not predictions.

**Highlights:** Live earthquake feed and map, Magnitude and geography filters, Space weather layers and dashboards, Daily Earth Intelligence briefings, Alert preferences

**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 Fulcanelli free?

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

### Which has better reviews, Solar Coaster or Fulcanelli?

Solar Coaster and Fulcanelli are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Solar Coaster or Fulcanelli have ads?

Neither Solar Coaster nor Fulcanelli shows ads.

### Which is updated more often, Solar Coaster or Fulcanelli?

Solar Coaster ships an update every 3 months, and Fulcanelli every 5 days. Most recently, Solar Coaster was updated on October 9, 2026 and Fulcanelli on October 5, 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.*