MENTALWAVE Get the app
Binaural beats · Solfeggio · For iPhone

Sound, tuned to what your brain needs tonight.

MentalWave plays binaural beats and healing frequencies wrapped in soft melodies and nature sounds, picked for your goal: falling asleep, quieting a busy mind, or getting into focus.

Coming soon on the App Store See how it works
  • No account
  • Works offline
  • Research cited, never overstated
MentalWave player playing Starlit Garden, a 1 Hz delta beat for sleep
How it works

Press play. Nothing to learn.

  1. Tell it what you need

    Sleep, stress, focus, migraine-prone days or tinnitus. A few questions, and MentalWave knows where to start.

  2. Play a mix made for it

    A slow beat under a melody and a nature bed. Headphones on for binaural beats, or speakers for isochronic tones.

  3. Tune it, if you like

    Softer beat, more rain, a different frequency on the Pad. Save it, and it is yours tomorrow night.

Features

Everything you need for a calmer night, and nothing you don't

MentalWave Home screen: mixes picked for your goal, Starlit Garden at 1 Hz and Quiet Garden at 6 Hz, then the Fall asleep tonight shelf
01

Melodic mixes, picked for your goal

Pure beats can sound clinical. MentalWave hides each beat under a soft melody and a nature bed, so it is something you actually want to listen to. Home opens on the mixes made for your goal, then shelves for sleep, overthinking, focus and healing frequencies.

  • 49 ready-made sounds and mixes
  • Rain, waves, fire, storm, a singing bowl and more
  • Every mix shows its beat: 1 Hz, 6 Hz, 40 Hz…
MentalWave player playing Starlit Garden, a 1 Hz sleep mix, with a slowly turning Lissajous figure
02

A player that gets out of the way

Press play and put the phone down. The Lissajous figure turns at the speed of the beat, the screen stays dark, and a sleep timer fades the sound out gently when you have drifted off.

  • Sleep timer with a gentle fade
  • Lock screen and AirPlay controls
  • Backdrop mode: plays on top of your music or podcast
Mix settings in MentalWave: beat intensity, binaural or isochronic mode, and sound layers like rain, ocean, garden and singing bowl
03

Make any mix your own

Turn the beat down until you barely hear it, switch from binaural to isochronic to listen without headphones, and add or remove layers. Save the result as your own mix.

  • Beat intensity: off, low, normal, high
  • Binaural (headphones) or isochronic (speakers)
  • Nature layers and melody layers
The MentalWave Pad: drag a point to tune a 174 Hz carrier and a 1 Hz delta beat, with layers below
04

The Pad: tune a frequency with one finger

Drag across the Pad to pick a carrier tone and a beat at the same time. MentalWave names the band you are in and what it is usually used for, so you always know what you are listening to.

  • Carrier from 80 to 1000 Hz, beat from 0.5 to 40 Hz
  • Binaural, isochronic or pure tone
  • A short note on every band, in plain words
MentalWave Library: favourites, Solfeggio frequencies, natural frequencies, brainwave bands and sound beds
05

Solfeggio, 432 Hz and every brainwave band

The library groups the classic frequencies people look for: Solfeggio tones from 396 to 963 Hz, 432 Hz tuning, the Schumann resonance, pure delta to gamma beats, and brown, pink and white noise.

  • Favourites one tap away
  • Search by name or frequency
  • Pure noise for masking and tinnitus
The five bands

What each beat is usually used for

A binaural beat is the slow pulse you perceive when each ear hears a slightly different tone. Its speed falls in one of the five brainwave bands. MentalWave labels every sound with its band.

Delta0.5–4 Hz

Deep, slow-wave sleep. Used in the sleep mixes.

Theta4–8 Hz

Drowsiness, daydreaming and meditation.

Alpha8–12 Hz

Relaxed wakefulness: calm, but awake.

Beta12–30 Hz

Active thinking and focus.

Gamma30–40 Hz

Alert attention. 40 Hz is the most studied.

More in our guide: What are binaural beats, and do they work?

Made for

If this sounds like your evenings, MentalWave is for you

Sleep

Fall asleep, stay asleep

Slow delta beats under soft rain or waves, and a timer that fades out once you are asleep.

Calm

Quiet a racing mind

Theta and alpha beats and a breathing singing bowl to come down after a long day.

Focus

Settle into deep work

Beta and 40 Hz gamma beats over a steady bed that masks the noise around you.

Migraine-prone days

A calmer, darker hour

Soft, low sounds and a dark screen for winding down when stress and short nights add up.

Tinnitus

Cover the ringing

Pink and brown noise mixes made to sit over high or low ringing, the sound enrichment hearing charities describe.

The research

Built on published studies, worded with care

Every claim in the app points to a study you can read. We say “may help”, because that is what the research supports.

Sleep
A 3 Hz binaural beat played during sleep lengthened deep (N3) sleep in a small lab study.
Jirakittayakorn & Wongsawat, Frontiers in Human Neuroscience, 2018
Calm
Across studies, binaural beats were linked to lower measured anxiety and pain perception, and to an effect on attention.
Garcia-Argibay, Santed & Reales, Psychological Research, 2019 (meta-analysis)
Focus
40 Hz gamma beats helped people catch what usually slips past their attention.
Reedijk, Bolders, Colzato & Hommel, Frontiers in Psychiatry, 2015

See all 13 sources

Pricing

Free to start. Premium when you want it all.

Free

€0

Enough to find what works for you.

  • A free mix in every section
  • Brown, pink and white noise
  • Pure delta, theta and alpha tones
  • Rain, waves, fire and storm layers
  • Listening and timers up to 30 minutes
7-day free trial

Premium yearly

€49.99 / year

About €4.17 a month.

  • All 49 sounds and mixes
  • The full Pad, unlimited
  • Melody layers: garden, halo, bowl, flow…
  • Save your own mixes
  • Unlimited listening, any timer

Premium monthly

€9.99 / month

Everything in Premium, month to month.

  • Cancel any time in your Apple Account
  • Restore on any of your iPhones

Prices shown in euros. The App Store shows the price in your local currency before you subscribe.

No account, no sign-up

No email, no password. Your goal, favourites and mixes stay on your iPhone.

Made on your iPhone

Beats, tones and noise are generated live, so everything plays offline, on a plane or in a dead zone.

Honest about the science

Sources for every claim, “may help” instead of promises, and no medical claims. Ever.

Free guides

Answers, in plain words

All guides →
Sleep

Binaural beats for sleep: which frequency to use, and what studies show

Delta beats are the classic choice for bedtime. Here is what the research actually found, how to set up a night of listening, and when plain noise is the better pick.

 Frequencies

Solfeggio frequencies explained: 396, 528, 852 Hz and 432 Hz, honestly

The 528 Hz “love frequency”, 963 Hz, 432 Hz tuning: where these numbers come from, what the few studies found, and how to enjoy them without the hype.

 Tinnitus

Sounds for tinnitus: how sound enrichment helps, and which noise to try

Silence makes ringing ears louder. Here is how background sound can make tinnitus easier to live with, which noise suits which ringing, and what the evidence says.

Questions

What is MentalWave?

MentalWave is an iPhone app that plays binaural beats, isochronic tones, Solfeggio frequencies and coloured noise, usually wrapped in a soft melody and a nature bed. You pick a goal (sleep, stress, focus, migraine-prone days or tinnitus) and it suggests the mixes made for it. You can also tune your own frequency on the Pad.

Do I need headphones?

For binaural beats, yes: each ear has to hear a slightly different tone. Isochronic mixes, like Deep Work 40, and the pure noises work through speakers too. The app tells you which is which.

Do binaural beats really work?

Research is promising but still young. A 2019 meta-analysis linked binaural beats to lower anxiety and to effects on attention, and small lab studies found longer deep sleep with a 3 Hz beat. Results vary from person to person. You can read every study we cite on our research page.

Is MentalWave a medical device?

No. MentalWave is a wellness app for relaxation, sleep and focus. It does not diagnose, treat or cure any condition. If you live with insomnia, migraines or tinnitus, talk to a doctor; MentalWave can be part of a calmer evening routine, not a treatment.

Is MentalWave free?

MentalWave is free to download, with free sounds in every section, the three pure noises, three pure tones, the nature layers and timers up to 30 minutes. MentalWave Premium unlocks every mix, the full Pad, melody layers, saved mixes and unlimited listening: €49.99 per year, with a 7-day free trial, or €9.99 per month. You can cancel any time in your Apple Account settings.

Does it work offline?

Yes. Beats, tones and noise are generated live on your iPhone, and the nature and melody layers are part of the app, so nothing needs to stream. You only need a connection to subscribe or restore a purchase.

Do I need an account?

No. There is no sign-up and no email to give. Your goal, favourites and mixes stay on your iPhone, and your subscription is handled by Apple.

Tonight, try a slower beat.

MentalWave for iPhone. Free to download, with a 7-day free trial of Premium.

Coming soon on the App Store

Requires iOS 26.2 or later. Best with headphones.