The stars above….
This app is truly original. I love to sit out on our deck looking at the stars and drinking a glass of wine ( or two) as the app plays. It is very calming
$3.99
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About
Experience a unique auditory representation of the night sky. This app translates celestial bodies into a dynamic, ever-changing soundscape based on their real-time positions and brightness. It offers an immersive, non-repeating musical experience tuned to a specific harmonic system.
✓Real-time celestial positioning
✓Spatialized 3D audio
✓Dynamic, non-repeating soundscape
✓Just intonation tuning
✓Head tracking support (iOS 18+)
✓Catalog of 88 celestial objects
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What's New in The Untempered Cosmos
1.0.1
May 12, 2026
User reviews
FAQ
What is The Untempered Cosmos?
The Untempered Cosmos is an application that transforms the positions and brightness of celestial objects into a unique, spatialized musical composition. It's designed to be an immersive experience rather than a traditional song.
How does The Untempered Cosmos create its music?
The app reads your location to determine which stars and planets are above your horizon, assigning each a sustained sine tone. Brighter objects are louder, and their position in the sky dictates their presence in the 3D audio space.
Does The Untempered Cosmos repeat music?
No, there is no playback in the usual sense. The soundscape is dynamic and non-repeating, changing as the Earth turns and celestial objects rise and set.
What tuning system does The Untempered Cosmos use?
It uses just intonation, tuned to a single low D, with every audible tone a whole-number ratio above it. This tuning system aims for pure consonance between frequencies.
How many celestial objects are included?
The app includes 88 objects: the Sun, the Moon, the five naked-eye planets, and 81 named stars down to magnitude 2.5. Constellations are also treated as chords.
Is The Untempered Cosmos available on Android?
Based on the provided data, The Untempered Cosmos is available on iPhone and iPod. Platform compatibility for other devices is not specified.
What is the price of The Untempered Cosmos?
The Untempered Cosmos is a paid application priced at $3.99.
How often is The Untempered Cosmos updated?
The app was last updated on May 12, 2026, with version 1.0.1. The developer notes that the catalog will continue to grow, suggesting future updates.
