Frequently asked questions

It layers customizable binaural beats and ambient noise beneath any audio you play — your own playlists included — right inside your browser sidebar, so you don't need a separate app or tab.

Yes — binaural beats require stereo headphones or earbuds. Each ear must receive a separate tone for your brainstem to fabricate the beat frequency; speakers blend the tones and the effect is lost.

Nuro Pro is available for Google Chrome and Microsoft Edge.

Yes. Local audio files and presets keep working with zero internet connection once the extension is installed.

Yes. The free tier includes core Alpha & Beta presets, noise reduction, and single-track layering — no account, no trial clock, no credit card.

Yearly ($11.99) renews annually. Lifetime ($24.99) is a single one-time payment that unlocks every preset, unlimited playlists, and future updates forever.

Yes, within 14 days of purchase if Nuro Pro isn't for you. Reach out via the Support page with your order ID.

Yes — $24.99 once, forever. No renewal, no recurring charge, free updates for life.

Never. Audio processing happens locally in your browser. We don't track playback, upload your files, or sell data to anyone. See our Privacy Policy.

No. Files stay on your device and are processed entirely client-side with the Web Audio API.

Only what's needed to render the sidebar UI and play local files — no browsing history, no page content access.

No. Nuro Pro is a wellness and focus tool, not a diagnosis, treatment, or cure for any medical condition. It's not a substitute for professional care.

Two slightly different tones played separately into each ear. Your brainstem perceives the mathematical difference as a third, rhythmic "phantom" beat — brainwaves tend to drift toward that rhythm, a process called entrainment.

Most people start in the 15–25 Hz Beta range for deep-focus work, and drop into 8–12 Hz Alpha for calmer, anxiety-easing sessions. Experiment — everyone responds a little differently.