Mood Lab
Ambient soundscapes & healing frequencies
Sounds
Frequency
Meditate
Games
Ambient Soundscapes
23 real recorded soundscapes โ€” rain, forest, ocean, fire and more. Downloaded once, stored on device, plays offline. Loops gaplessly. Mood tracked after every session.
Sleep / Focus Timer
No limit
15m
30m
45m
60m
90m
Free: 15 min max per session ยท Upgrade to Pro for unlimited
All
Noise
Rain & Water
Nature
Fire
Urban
๐Ÿš€ Space
Sounds generated on-device via Web Audio API โ€” no network required.
Lockscreen audio requires the installed app (APK/IPA). Download the APK from the top-right toolbar to test.
ใ€ฐ๏ธ
White Noise
Equal energy across all frequencies. The classic sleep and masking noise โ€” blocks out every other sound evenly.
Sleep
Studying
Generated ยท Web Audio API
๐ŸŒธ
Pink Noise
Energy decreases at higher frequencies โ€” deeper and softer than white. Research links pink noise to improved deep sleep quality and memory consolidation.
Deep sleep
Memory
Generated ยท Web Audio API
๐ŸคŽ
Brown Noise
Deep, rich rumble โ€” like a powerful waterfall or distant thunder. The internet's favourite for focus and ADHD.
Deep focus
ADHD
Generated ยท Web Audio API
๐Ÿ’™
Blue Noise
Bright, higher-pitched โ€” the derivative of white noise. Popular for tinnitus masking and audio dithering.
Tinnitus relief
Hyper-alertness reduction
Generated ยท Web Audio API
๐Ÿฉถ
Grey Noise
Psychoacoustically flat โ€” engineered to sound equally loud at every frequency to the human ear. Very neutral, non-fatiguing.
Long work sessions
Sensitive hearing
Generated ยท Web Audio API
๐ŸŒง๏ธ
Light Rain on Leaves
Gentle, irregular rainfall through a forest canopy. Deeply soothing and one of the most universally calming natural sounds.
Sleep
Relaxation
Real recording ยท jsDelivr CDN
๐ŸŒŠ
Heavy Rain on Roof
Intense rain drumming overhead. Powerful masking effect ideal for blocking out unpredictable environmental noise.
Deep sleep
Noise masking
Real recording ยท jsDelivr CDN
๐Ÿ–๏ธ
Ocean Waves (Gentle)
Slow rhythmic waves with a natural ebb-and-flow cycle. The predictable rhythm is a direct parasympathetic nervous system trigger.
Relaxation
Meditation
Real recording ยท jsDelivr CDN
๐ŸŒŠ
Deep Ocean
The muffled, womb-like resonance of deep underwater. Profound bass rumble with gentle wave undulation โ€” extreme relaxation.
Meditation
Anxiety relief
Real recording ยท jsDelivr CDN
๐Ÿ’ง
Babbling Brook
Light, irregular creek with gentle gurgles. Refreshing and mentally clearing without the heavy low end of ocean or rain.
Light focus
Morning energy
Real recording ยท jsDelivr CDN
๐Ÿ”๏ธ
Waterfall Cascade
Powerful roaring cascade โ€” the full-body rush of standing near a real waterfall. Intense white-noise masking with a deep organic bass rumble that drowns out everything else.
Deep focus
Noise masking
Real recording ยท jsDelivr CDN
๐ŸŒฒ
Forest at Dawn
Birds waking up in a lush forest with a light breeze. Morning energy and connection to nature in one sound.
Morning routine
Light energy
Real recording ยท jsDelivr CDN
๐Ÿฆ—
Night Forest (Crickets)
Summer night crickets with a soft forest background. The rhythmic pulse is one of the most effective natural sleep-induction sounds.
Sleep
Evening wind-down
Real recording ยท jsDelivr CDN
๐ŸŒผ
Meadow Ambience
Light breeze through grass, distant bees and birds in an open sunny meadow. Calm alertness without distraction.
Gentle work
Calm focus
Real recording ยท jsDelivr CDN
๐Ÿ”ฅ
Fireplace Crackling
Warm, irregular crackling fire. The random crackle pattern is deeply comforting โ€” perfect for cold evenings and winding down.
Relaxation
Evening wind-down
Real recording ยท jsDelivr CDN
๐Ÿ•๏ธ
Outdoor Campfire
Open-air campfire with more intense crackles and distant night sounds. The outdoor setting feels expansive and grounding.
Grounding
Storytelling mood
Real recording ยท jsDelivr CDN
๐Ÿ 
Fireplace + Rain
The ultimate cozy combination: crackling fire inside while rain falls outside. One of the most popular comfort sounds worldwide.
Evening
Reading
Real recording ยท jsDelivr CDN
โ˜•
Coffee Shop Murmur
Proven by research to boost creative focus. The 70dB ambient noise sweet spot โ€” enough activity to stimulate abstract thinking without distraction.
Creative work
Writing
Real recording ยท jsDelivr CDN
๐Ÿš‚
Train Journey
Rhythmic rail clacking with a low engine rumble. The predictable mechanical rhythm is exceptionally effective for sustained focus.
Deep focus
Long work sessions
Real recording ยท jsDelivr CDN
๐Ÿ“ป
Vinyl Record Static
Warm hiss of a vinyl record between tracks. Nostalgic, low-level, and remarkably non-fatiguing โ€” like white noise but cozier.
Background ambience
Reading
Generated ยท Web Audio API
๐Ÿช
Saturn Radio Waves
Synthesised from NASA's Cassini spacecraft recordings of Saturn's electromagnetic field. Eerie, deep, extraordinary โ€” unlike anything on Earth.
Deep meditation
Unique focus
Inspired by NASA open audio
โ˜€๏ธ
Solar Wind
The sound of charged particles streaming from the Sun interacting with Earth's magnetic field โ€” synthesised from NASA ionospheric recordings.
Focus
Meditation
Inspired by NASA open audio
๐ŸŒŒ
Deep Space Void
Near silence with ultra-low resonant drones โ€” the acoustic texture of deep space. Minimal and profoundly calming.
Deep meditation
Sensory reduction
Generated ยท Web Audio API