Celestial Dances vs CloudLabs Spherical mirrors
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Celestial Dances
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.
- Explore solar system planet motions
- Visualize moon orbits
- Discover exoplanet systems
- Based on 'A Little Book of Coincidence'
- Highlights Earth-Venus relationship
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This app invites you to explore the relative motions of our solar system's planets, their moons, and several exoplanet systems. It is based on ideas presented in "A Little Book of Coincidence" by John Martineau. Are the amazing patterns created by these orbiting bodies just a coincidence, or is something more than that going on? Take a look and see what you think. Be sure to check out the special relationship between the Earth and Venus.
CloudLabs Spherical mirrors
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This simulation recreates an optical table with a concave and a convex mirror, the goal is to find the focal length, the radius of the curvature and determine if the image is inverted or not. In the development of the practice, each of the mirrors can be placed on the optical table and two objects can be used to observe both the image that is formed, as well as its size, as the distance between the object and the mirror is varied.
Screenshots
Verdict
The clearest difference is device support: CloudLabs Spherical mirrors at 3 against Celestial Dances's 1. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Celestial Dances ships an update every 30 months, CloudLabs Spherical mirrors every 21 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.
| Parameter | Celestial Dances | CloudLabs Spherical mirrors |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 30 months | Every 21 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 | 9.0 |
| Further details — not scored | ||
| Size | 16 MB | 83 MB |
| Age rating | 4+ | 17+ |
| Developer | Thomas Bretl | Jiovany Orozco |
In-app purchases
Celestial Dances
No in-app purchases
CloudLabs Spherical mirrors
No in-app purchases
Questions
Is Celestial Dances free?
Is CloudLabs Spherical mirrors free?
Do Celestial Dances or CloudLabs Spherical mirrors have ads?
Which is updated more often, Celestial Dances or CloudLabs Spherical mirrors?
Other comparisons
