Sleep Sounds & White Noise

Drift off faster with Sleep Sounds & White Noise — a calming, fully offline sound mixer that helps you fall asleep, focus, and relax. Combine soothing sounds into your own perfect blend, set a sleep timer, and wake gently. No account, no sign-in, and everything works without an internet connection.

MIX YOUR OWN SOUNDSCAPE
Layer any number of sounds and balance each one with its own volume slider. Save your favourite blends and replay them in a tap. Five ready-made starter mixes get you going instantly, from Rainy Night to Deep Focus.

30 AMBIENT SOUNDS
Choose from 30 high-quality looping sounds (15 free, 15 in the Pro pack):
• Rain, Thunderstorm, Heavy Rain, Rain on Window, Distant Thunder
• Ocean Waves, River, Mountain Stream, Waterfall
• Forest, Wind, Campfire, Jungle Birds, Summer Night, Night Crickets
• White, Pink, Brown and Green Noise, Fan
• Café, Train, Grandfather Clock, Lullaby
• Heartbeat, Womb, Singing Bowl, Deep Drone
• Theta and Delta binaural focus tones

SLEEP TIMER
Set a timer and your sounds fade out gently before stopping. Free timers run up to 60 minutes; Pro adds extra-long and infinite timers for all-night play.

BREATHING & MEDITATION
Follow guided breathing with three patterns — Box (4-4-4-4), 4-7-8 Relax, and Calm 4-6 — with an optional calming sound and a session timer.

WAKE GENTLY
Create a wake alarm that chimes on the days you choose, with a gentle sound fade-in when the app is open. Add a daily bedtime reminder to help you wind down on time.

CALMING VISUAL SCENES
Relax to full-screen ambient scenes such as Aurora, Night Sky, Deep Ocean, and Lavender Dream while your sounds play.

SLEEP JOURNAL
Log how you slept each night and watch your quality trend over time on a simple chart.

MADE FOR SLEEP
• Background playback with lock-screen controls
• Dark-first, distraction-free design with light and dark themes
• Material You colour option
• Play only while charging to save battery
• Quick nap presets and a one-tap wind-down routine

FREE vs PRO
The free version is generous: 15 sounds, the full mixer, 3 saved mixes, sleep timer, breathing, alarms, journal, and 2 visual scenes. The free version is supported by ads.

Upgrade to Pro once to unlock:
• The full pack of 15 premium sounds
• Unlimited saved mixes
• Extra-long and infinite sleep timers
• All 6 visual scenes
• An ad-free experience
Pro is a single one-time purchase — no subscription.

PRIVACY
Your mixes, alarms, and journal are stored only on your device. No account and no personal details are required.

This app is intended for relaxation only. It is not a medical device and is not a substitute for professional advice. Please listen at a safe volume and do not rely on the in-app alarm as your only alarm for important events.

Questions or feedback? Email dev@corithmflowmatrix.com

Recent changes:
🌙 What's new
• A smoother, faster start when you open the app
• A cleaner, less intrusive ad experience
• 21 languages to choose from
Rest easy. Questions or ideas? dev@corithmflowmatrix.com