# Celestial Dances vs F.A.S.T

The clearest difference is rating: F.A.S.T at 4.6 against Celestial Dances's 3.0. F.A.S.T also leads on ratings volume (25 vs 2) and device support (3 vs 1). Celestial Dances's advantage is iOS requirement (9.0 vs 15.6). On price, review sentiment, update cadence 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.

F.A.S.T holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: F.A.S.T has 25 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Celestial Dances ships an update every 30 months, F.A.S.T every 19 months. The most recent releases landed on November 1, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Celestial Dances | F.A.S.T |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/celestial-dances/id601885290/reviews) | **[4.6 (25 ratings)](https://appshunter.io/ios/app/fast/id1217030092/reviews)** |
| Number of ratings | 2 | **25** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 19 months** |
| Monetization | Free | Free |
| Size | 16 MB | 4 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Bretl](https://appshunter.io/developer/553850818) | [Philippe Zay](https://appshunter.io/developer/1200498230) |

## What reviewers say

### Celestial Dances

[App page](https://appshunter.io/ios/app/celestial-dances/id601885290)

Explore the orbital mechanics of planets, moons, and exoplanets. This app visualizes celestial movements based on concepts from "A Little Book of Coincidence." Discover intriguing patterns and relationships within our solar system and beyond.

**Highlights:** Explore solar system planet motions, Visualize moon orbits, Discover exoplanet systems, Based on 'A Little Book of Coincidence', Highlights Earth-Venus relationship

**Features:** macOS Compatibility

**In-app purchases:** none


### F.A.S.T

[App page](https://appshunter.io/ios/app/fast/id1217030092)

Create and customize mesmerizing mathematical spirals, including Archimedean and logarithmic forms. Offers intuitive controls for precise adjustments to curvature, color, and patterns. Ideal for creative discovery and educational exploration.

**Highlights:** Archimedean & Logarithmic Spirals, Intuitive Controls, Dynamic Colorization, Expert Mode, Dark Mode Support, Cross-device Compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is Celestial Dances free?

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

### Is F.A.S.T free?

F.A.S.T is free to download, with no in-app purchases.

### Which has better reviews, Celestial Dances or F.A.S.T?

F.A.S.T is rated higher. Celestial Dances averages 3.0 out of 5 from 2 ratings, while F.A.S.T averages 4.6 from 25 ratings.

### Do Celestial Dances or F.A.S.T have ads?

Neither Celestial Dances nor F.A.S.T shows ads.

### Which is updated more often, Celestial Dances or F.A.S.T?

Celestial Dances ships an update every 30 months, and F.A.S.T every 19 months. Most recently, Celestial Dances was updated on November 1, 2026 and F.A.S.T on November 13, 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.*