Best 40Hz Apps

250+ iOS apps curated and reviewed

4.6 avg rating

17 free apps

Updated August 2026

Looking for free 40hz apps? 17 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top 40Hz Apps (August 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Tone Generator: Audio Sound Hz	Free	4.7★ (2.6K)	Yes	No	Aug 2026
2	Binaural Beats Generator +	Free	4.7★ (1.2K)	Yes	No	Aug 2026
3	40Hz Brain Trainer - AlzLife	Free	4.6★ (272)	No	Yes	Aug 2026
4	40Hz Gamma	$4.99	5.0★ (2)	No	No	Jul 2026
5	Brainwaves -- Binaural Beats	Free	4.4★ (3.3K)	No	Yes	Aug 2026
6	Frequency: Healing Sounds	Free	4.7★ (2.3K)	No	Yes	Aug 2026
7	Ground- 40Hz Brain Regulation	Free was $19.99	—	No	No	May 2026
8	LucidWave: 40Hz Brain Health	Free	5.0★ (2)	No	Yes	May 2026

Top Picks for 40Hz

#1

Tone Generator: Audio Sound Hz by TMSOFT

Generate Audio Frequency Waves

Editor's Choice

🎵 Music

4.7😊(2.6K ratings)

FreeAds

Tone Generator: Audio Sound Hz screenshot 1

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Tone Generator: Audio Sound Hz screenshot 4

Tone Generator: Audio Sound Hz screenshot 5

Tone Generator: Audio Sound Hz screenshot 6

Create pure sine wave audio tones across a wide frequency range. This tool is ideal for tuning instruments, conducting hearing tests, performing science experiments, and testing audio equipment. Easily adjust frequencies and volume, with support for AirPlay devices.

What We Love

👍 Simple and straightforward
🚀 Works as expected
💡 Useful for testing and tuning
💡 Helps identify hearing range

Room to Improve

🐛 Ads can interfere with usage
🔧 Difficulty fine-tuning frequency
🔧 No amplitude/volume display

#2

Binaural Beats Generator + by TMSOFT

Alpha, Beta, Delta, Gamma, Mu+

Strong Contender

🔧 Utilities

4.7😊(1.2K ratings)

FreeAds

Binaural Beats Generator + screenshot 1

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Binaural Beats Generator + screenshot 4

Binaural Beats Generator + screenshot 5

Binaural Beats Generator + screenshot 6

Create personalized binaural beats for sleep, focus, and meditation. Adjust frequencies to generate custom soundscapes for relaxation or alertness. Requires headphones for optimal experience.

What We Love

🚀 Simple and effective
👍 Crisp and clean UI
👍 Versatile frequency options
👍 Helps with sleep and relaxation

Room to Improve

🐛 Audio issues (drops out, stutters)
🔋 Doesn't play in background
🔍 Confusing instructions/UI

#3

40Hz Brain Trainer - AlzLife by ALZHEIMER'S LIGHT, LLC

Cognitive Wellness & Games

Worth Considering

💪 Health & Fitness

4.6😐(272 ratings)

FreeIn-App Purchases

40Hz Brain Trainer - AlzLife screenshot 1

40Hz Brain Trainer - AlzLife screenshot 2

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40Hz Brain Trainer - AlzLife screenshot 5

Enhance cognitive wellness with science-backed 40Hz light and sound stimulation. Engage your brain with over 50 games, read books, or watch videos while supporting memory and focus.

What We Love

🧠 Enhances cognitive skills
💡 Science-backed 40Hz therapy
🎮 Fun and varied games
😊 Positive impact on memory

Room to Improve

🐛 Frequent bugs and glitches
📱 Device compatibility issues
💰 High subscription cost

More 40Hz apps to explore

40Hz Gamma: Audio & Visuals

This app offers advanced brain stimulation through precisely calibrated audio and visual signals. It aims to help users achieve states of deep focus and tranquility using neuroscience-backed techniques. Explore various professional audio modes and advanced gamma visuals for cognitive wellness.

Professional audio modes (e.g., Binaural Beats, Monaural Beats)Advanced gamma visual stimulation (e.g., Sine Wave, Drifting Grating)Precision frequency tuning (38Hz-42Hz)

💪 Health & Fitness

Brainwaves -- Binaural Beats

Brainwaves -- Binaural Beats

Focus, Deep Sleep & Peak Flow

This app uses precision-engineered binaural beats and isochronic tones to synchronize neural oscillations for enhanced brain performance, clarity, and recovery. It offers a spectrum of frequencies for focus, sleep, health, and spiritual exploration.

Binaural Beats & Isochronic TonesTargeted Brainwave Frequencies (Delta to Gamma)Performance & Flow State Enhancement

📊 Productivity

free with in-app purchases

Frequency: Healing Sounds

Frequency: Healing Sounds

Neural Hz for Calm & Clarity

This app offers science-inspired sound therapy to promote natural healing and restore balance to your mind, body, and brain. It utilizes specific frequencies to aid in sleep, reduce pain, and enhance mental clarity for a holistic wellness journey.

Full body healing & DNA repairRestorative sleep supportGentle relief for body pain

💪 Health & Fitness

free with in-app purchases

Ground- 40Hz Brain Regulation

Ground- 40Hz Brain Regulation

Stop Overthinking

$19.99 | 100% OFF

💪 Health & Fitness

LucidWave: 40Hz Brain Health

LucidWave: 40Hz Brain Health

Sleep, Focus & Brain Wellness

Enhance focus, sleep, and cognitive health with science-backed 40Hz light and sound sessions. This app offers guided experiences inspired by MIT research to help you relax, recharge, and improve brain wellness.

40Hz light and sound sessionsImprove sleep qualityBoost focus and productivity

💪 Health & Fitness

FocusBrain: 8D ADHD & Focus

FocusBrain: 8D ADHD & Focus

Neural Hz for Calm, Clarity

This science-based app uses brainwave therapy and 8D sound to enhance focus, boost productivity, improve memory, and reduce stress. It offers sessions for ADHD support and helps users achieve a flow state for peak cognitive performance without medication.

Improve focus and cognitionBoost productivity and flow stateEnhance memory and problem-solving

📊 Productivity

NeuraBeat: 40Hz Focus

NeuraBeat: 40Hz Focus

40Hz light & sound sessions

Endel: Focus & Sleep Sounds

Endel: Focus & Sleep Sounds

ADHD Productivity Timer

This app generates personalized, AI-powered soundscapes to enhance focus, relaxation, and sleep. It adapts to your environment and physiological data to create optimal audio experiences, helping to minimize distractions and improve well-being.

AI-powered personalized soundscapesFocus, sleep, and relax modesDynamic sound tuning

💪 Health & Fitness

free with in-app purchases

Brainwave - Relax,Sleep,Focus

Brainwave - Relax,Sleep,Focus

Binaural Beats Generator

Generate binaural beats and Solfeggio frequencies to aid in study, meditation, and sleep. Explore different brainwave states and sacred tones to enhance your well-being. Log your mindful minutes directly to Apple Health.

Binaural beats generatorSolfeggio frequenciesStudy, meditate, and sleep modes

すばやく！40hz再生集中

by TORU YAMAKAWA

Sleep, Meditation, Relaxation

This app offers guided meditations, sleep stories, music, and breathing exercises to help users reduce stress, anxiety, and improve sleep. It caters to all experience levels, integrating mindfulness into daily routines for enhanced mental well-being.

Guided meditationsSleep StoriesBreathwork exercises

💪 Health & Fitness

free with in-app purchases

40 Hz Gamma: Focus & Memory

40 Hz Gamma: Focus & Memory

Gamma 40Hz: Focus & Memory

💪 Health & Fitness

Frequentia: Powered by 40 Hz

Frequentia: Powered by 40 Hz

Light for Brain

💪 Health & Fitness

BrainWave: 37 Binaural Series™

BrainWave: 37 Binaural Series™

Focus Relax Meditate Sleep ™

This app uses binaural brainwave entrainment with ambient sounds and music to help users achieve various mental states like focus, relaxation, and sleep. It offers multi-stage programs and customizable playlists, recommended by a neuroscientist.

Binaural brainwave entrainmentAmbient music and nature soundsMulti-stage programs for sleep, focus, and mood

💪 Health & Fitness

by Raffaele De Lorenzo

Experience a unique wellness journey with rhythmic light patterns and meditative audio, inspired by brainwave entrainment research. Customize session durations and intensity for a calming effect. Integrates with HealthKit to log mindful minutes.

Customizable session durationVariable frequency strobe lightMeditative audio tracks

💪 Health & Fitness

by Masaru Suzuki

💪 Health & Fitness

Track your personal finances with this straightforward expense tracker. Easily log one-time and recurring costs across custom categories and view basic statistical insights into your spending habits.

Log one-time expensesLog recurring expensesDefine custom categories

FAQ about 40Hz

What are the best 40hz apps for iPhone?

Tone Generator: Audio Sound Hz tops our 40hz apps ranking as of August 2026, with a 4.7-star average from 2.6K App Store ratings, and it's free to download.

Are there free 40hz apps for iPhone?

Yes — 17 of the top 40hz apps we rank are free to download, including Tone Generator: Audio Sound Hz and Binaural Beats Generator +.

Does Tone Generator: Audio Sound Hz have ads or in-app purchases?

Tone Generator: Audio Sound Hz shows ads and has no in-app purchases, according to its App Store listing as of August 2026.

How many 40hz apps are on the App Store?

We track 250+ 40hz apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.

What does the Tone Generator app do?

This app generates pure sine wave audio tones at frequencies ranging from 20Hz to 22,000Hz. It's designed for various applications like tuning instruments, conducting hearing tests, performing science experiments, and testing audio equipment.

What are the main uses for this tone generator?

Key uses include performing hearing tests to determine the lowest and highest frequencies you can hear, tuning musical instruments like guitars to specific frequencies (e.g., 440 Hz for Low E), conducting science experiments such as finding the resonant frequency of a wine glass, and testing audio systems like subwoofers.

Related searches

40hz gamma 40hz brain trainer 40hz brain trainer - alzlife 40hz灯 ground- 40hz brain regulation lucidwave: 40hz brain health neurabeat: 40hz focus