100% free · No account required

Ambient sound mixer
100% free, forever

Brown noise, rain, nature, café, binaural beats — 50+ sounds without subscription, without credit card, without account.

50+ sounds
Sleep timer
No subscription
Mobile PWA

No account required · Works on mobile & desktop

Brown Noise
Rain
Coffee Shop
Forest
Ocean Waves

Features

Everything you need to
create your space

Built for those who need the right sounds to stay focused, sleep better, or simply enjoy the moment.

50+ Ambient Sounds

Rain, ocean, forest, fire, brown noise and more — professionally mixed and loopable.

43 Curated Scenes

From "Irish Cliff" to "Deep Focus" — one-tap immersive soundscapes.

Precision Mixer

Individual volume sliders for each sound. Create your perfect blend.

Sleep Timer

Set a timer and drift off. Your sounds fade out gently.

Save Your Mixes

Save unlimited custom mixes and access them from any device.

Works Everywhere

Browser, phone, tablet — fully responsive, no download needed.

Use Cases

Perfect for every moment

Focus & WorkBrown noise + café
SleepGentle rain + noise
StudyPink noise + creek
MeditateForest + water

Testimonials

Loved by thousands

"Noctunea replaced 3 apps for me. The brown noise + rain combo is perfect for deep work."

Sarah K.

Remote Developer

"I use it every night to fall asleep. The Sleep timer is a game-changer."

Marc D.

Student

"Finally an ambient app with a beautiful dark UI that doesn't hurt my eyes."

Julie R.

Designer

Support the project

Noctunea is and will remain free

If the app helps you daily, an optional donation allows us to keep improving it.

3€A coffee

Helps cover hosting costs

10€Supporter

Supports development and new features

Secure payment via Stripe · No subscription · Unlimited mixes + custom theme unlocked

Frequently Asked Questions

Learn how ambient sounds and brown noise can improve your focus and sleep.

What is Brown Noise?

Brown noise is a deep, low-frequency sound resembling a distant waterfall. Unlike white noise, it emphasises lower frequencies, making it effective for masking distractions and promoting deep sleep.

How do ambient sounds help with sleep?

Ambient sounds create a soothing acoustic environment that masks sudden noises, helping slow your brain waves and signalling it is time to rest.

Can I use Noctunea for working and studying?

Yes! Many users mix brown noise with gentle rain or café ambiance to achieve a deep-work state and reduce distractibility.

What is the difference between White, Pink, and Brown noise?

White noise sounds like TV static. Pink noise is deeper, like light rain. Brown noise is the deepest, like a roaring river. Most find brown and pink noise more relaxing.

Ready to find your perfect sound?

Join thousands of users who use Noctunea daily for focus, sleep, and relaxation.