Frequently Asked Questions

What is Noctunea?

Noctunea is a free ambient sound mixer that lets you blend brown noise, white noise, rain, ocean, forest and 50+ other sounds to help you focus, sleep or relax.

Is Noctunea free?

Yes — the core app is completely free with no account required. A Pro plan unlocks additional sounds, unlimited saves and more.

Do I need to create an account?

No account is needed to use Noctunea. Creating one lets you save and sync your custom mixes across devices.

Does it work offline?

Noctunea streams sounds from the cloud. A stable internet connection is recommended for the best experience.

What is brown noise?

Brown noise is a type of random sound with energy concentrated at lower frequencies — deeper and warmer than white noise. Many people find it ideal for focus and sleep.

What are binaural beats?

Binaural beats are auditory processing artefacts created when two slightly different frequencies are played in each ear. They are used to promote relaxation, focus or sleep.

Can I use Noctunea on my phone?

Yes. Noctunea works in any browser on iPhone, Android, tablet or desktop — no download required.

How do I contact support?

Email us at [email protected]