Muon - Sleep & Focus Sounds

NEW in v1.4: Apple Spatial Audio with AirPods head-tracking. 40 meticulously crafted soundscapes. 100% offline. No ads. No account. One-time purchase, yours forever.

Muon is a premium sleep and focus sound sanctuary, crafted with studio-grade DSP synthesis and real-world field recordings. No subscriptions, no ads, no accounts — one purchase and every sound is yours forever.

WHAT MAKES MUON DIFFERENT

• 40 Hand-Crafted Soundscapes From a mother's womb heartbeat to a distant pulsar, from bamboo rain to underwater currents. Every sound is either a real field recording (CC0/CC-BY licensed, credited) or synthesized in-house with 24-bit / 48kHz DSP.

• Apple Spatial Audio (New in v1.4) Put on your AirPods Pro or Max and feel sounds rotate around you as you turn your head. Powered by AVAudioEnvironmentNode and CMHeadphoneMotionManager.

• Four Audio Quality Tiers L1 Algorithmic — pure DSP, infinite variation L2 Field Recording — real-world sources from Freesound archives L3 Binaural HRTF — 3D positioned via head-related transfer functions L4 Apple Spatial — head-tracked immersive audio

• 100% Offline, 100% Private All 40 sounds ship inside the app. No streaming. No tracking. No account. Your listening habits never leave your device.

• Designed for Real Life Baby sleep: womb heartbeat, shushing, lullaby ambience Deep focus: brown noise, library ambience, coffee shop Meditation: Tibetan bowls, forest streams, ocean waves Stargazing: cosmic pulsars, deep space drones

FREE vs PRO

Free includes 8 essential sounds and standard quality.

Pro ($3.99 one-time) unlocks: • All 40 sounds • Apple Spatial Audio and Binaural HRTF • Highest quality tier per sound • All future sound packs, forever

No subscriptions. No renewals. One purchase, one lifetime.

TECHNICAL HIGHLIGHTS

• Built natively with SwiftUI and AVFoundation • AAC 256 kbps / 48 kHz mastering • 78 MB total bundle, fully offline • iOS 17+ optimized, iPhone and iPad universal • Battery-friendly low-power mixing engine

CREDITS

Field recordings licensed under Creative Commons from the Freesound community. Full attribution at muon.app/credits.

SUPPORT

Questions or feedback? Email support@muon.app Privacy Policy: https://flashbody.github.io/Muon/privacy Terms of Service: https://flashbody.github.io/Muon/terms

Sleep better. Focus deeper. Own your sounds.