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Best 40Hz Apps

239+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated July 2026

Looking for free 40hz apps? 18 of our 239+ tracked titles are free to download β€” no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for 40Hz

Tone Generator: Audio Sound Hz#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
Tone Generator: Audio Sound Hz screenshot 2
Tone Generator: Audio Sound Hz screenshot 3
Tone Generator: Audio Sound Hz screenshot 4
Tone Generator: Audio Sound Hz screenshot 5

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

  • πŸ‘ Simple and straightforward
  • πŸš€ Works as expected
  • πŸ’‘ Useful for testing and tuning
  • πŸ’‘ Helps identify hearing range

Room to Improve

  • πŸ› Ads can interfere with usage
  • πŸ”§ Difficulty fine-tuning frequency
  • πŸ”§ No amplitude/volume display
Binaural Beats Generator +#2

Binaural Beats Generator + by TMSOFT

Alpha, Beta, Delta, Gamma, Mu+
Strong Contender
πŸ”§ Utilities
4.7😊(1.2K ratings)
FreeAds
Binaural Beats Generator + screenshot 1
Binaural Beats Generator + screenshot 2
Binaural Beats Generator + screenshot 3
Binaural Beats Generator + screenshot 4
Binaural Beats Generator + screenshot 5

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

  • πŸš€ Simple and effective
  • πŸ‘ Crisp and clean UI
  • πŸ‘ Versatile frequency options
  • πŸ‘ Helps with sleep and relaxation

Room to Improve

  • πŸ› Audio issues (drops out, stutters)
  • πŸ”‹ Doesn't play in background
  • πŸ” Confusing instructions/UI
Brainwaves -- Binaural Beats#3

Brainwaves -- Binaural Beats by iMobLife Inc.

Brain Performance & Balance
Worth Considering
πŸ“Š Productivity
4.4😊(3.2K ratings)
FreeIn-App Purchases
Brainwaves -- Binaural Beats screenshot 1
Brainwaves -- Binaural Beats screenshot 2
Brainwaves -- Binaural Beats screenshot 3
Brainwaves -- Binaural Beats screenshot 4
Brainwaves -- Binaural Beats screenshot 5
Brainwaves -- Binaural Beats screenshot 6

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.

What We Love

  • 🌟 Excellent selection of binaural beats and frequencies
  • πŸ§˜β€β™€οΈ Helpful for relaxation, sleep, and meditation
  • 🀯 Noticeable effects on mental state and focus
  • πŸ™Œ Positive impact on health issues like pain and anxiety

Room to Improve

  • πŸ’° Expensive subscription and individual track prices
  • πŸ› Occasional crashes and playback issues
  • πŸ” Difficult to navigate and find desired tracks

More 40Hz apps to explore

4
40Hz Brain Trainer - AlzLife
40Hz Brain Trainer - AlzLife
40Hz Brain Trainer - AlzLife
Cognitive Wellness & Games
Free

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.

40Hz light and sound stimulation50+ cognitive gamesRead books and watch videos
πŸ’ͺ Health & Fitness
(272)
freemium
5
FocusBrain:8D ADHD Focus Music
FocusBrain:8D ADHD Focus Music
FocusBrain:8D ADHD Focus Music
Clear Mind, Boost Clarity
Free

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
πŸ“Š Productivity
(89)
subscription
6
Frequency: Healing Sounds
Frequency: Healing Sounds
Frequency: Healing Sounds
Heal Naturally, Inner Harmony
Free

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
πŸ’ͺ Health & Fitness
(2.3K)
free with in-app purchases
7
Endel: Focus & Sleep Sounds
Endel: Focus & Sleep Sounds
Endel: Focus & Sleep Sounds
Instant ADHD Relief
Free

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
πŸ’ͺ Health & Fitness
(33K)
free with in-app purchases
8
BrainWave: 37 Binaural Seriesβ„’
BrainWave: 37 Binaural Seriesβ„’
BrainWave: 37 Binaural Seriesβ„’
Focus Relax Meditate Sleep β„’
$6.99

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
πŸ’ͺ Health & Fitness
(11K)
free
9
Brainwave - Relax,Sleep,Focus
Brainwave - Relax,Sleep,Focus
Brainwave - Relax,Sleep,Focus
Binaural Beats Generator
Free

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
🎡 Music
(667)
free
10
40Hz Gamma
40Hz Gamma
40Hz Gamma
40Hz Binaural Beats & Light
$4.99
πŸ’ͺ Health & Fitness
(0)
11
LucidWave: 40Hz Brain Health
LucidWave: 40Hz Brain Health
LucidWave: 40Hz Brain Health
Sleep, Focus & Brain Wellness
Free

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
πŸ’ͺ Health & Fitness
(2)
freemium
12
Ground- 40Hz Brain Regulation
Ground- 40Hz Brain Regulation
Ground- 40Hz Brain Regulation
Stop Overthinking
Free
$19.99 | 100% OFF
πŸ’ͺ Health & Fitness
(0)
13
Frequency Generator: HZ
Frequency Generator: HZ
Frequency Generator: HZ
432-528 Hertz Healing Sounds
Free

Enhance sleep and focus with scientifically engineered sound frequencies. This app offers customizable modes for deep slumber and peak concentration, utilizing binaural and isochronic beats. Enjoy an intuitive interface and offline access to boost your well-being and productivity.

Sleep Mode with Delta & Theta frequenciesFocus Mode with Alpha & Beta frequenciesBinaural and Isochronic beats
🎡 Music
(470)
free with in-app purchases
14
Calm
Calm
Calm
Sleep, Meditation, Relaxation
Free

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
πŸ’ͺ Health & Fitness
(2M)
free with in-app purchases
15
40hz灯
40hz灯
40hz灯
by Zhongke Ningxin Co., Ltd.
Free
πŸ”§ Utilities
(0)
16
NeuraBeat: 40Hz Focus
NeuraBeat: 40Hz Focus
NeuraBeat: 40Hz Focus
40Hz light & sound sessions
Free
🌟 Lifestyle
(0)
17
Gamma 40 Hertz
Gamma 40 Hertz
Gamma 40 Hertz
Multimodal brain boost!
Free

This app offers a brain boost by stimulating 40 hertz gamma waves through light, sound, and touch. Research suggests this can help reverse age-related declines. It features adjustable intensity for multimodal stimulation.

Multimodal stimulation (sound, touch, sight)Adjustable intensity40 Hz audio tone
πŸ’ͺ Health & Fitness
(9)
free with in-app purchases
18
ScreenZen- Screen Time Control
ScreenZen- Screen Time Control
ScreenZen- Screen Time Control
App blocker, limit screen time
Free

This app offers multiple strategies to help you reduce screen time and control app usage. Features include delayed app opening, timed scrolling interruptions, and customizable app limits. It also provides options for strict blocking, settings protection, and encourages mindful breaks.

Delayed app openingScrolling interruptionSet app goals and limits
πŸ“Š Productivity
(41K)
free with in-app purchases
19
Sonic | Water Eject
Sonic | Water Eject
Sonic | Water Eject
Water Eject Speaker Cleaner hz
Free

This app generates precise sine wave tones to help remove water and debris from your device's speakers. Easily adjust frequencies by swiping on the screen, and enjoy features like Apple Watch control and background operation. Premium subscribers gain access to advanced waveforms, unlimited sessions, and an ad-free experience.

Clears moisture from device speakersGenerates tones from 0 Hz to 25 kHzControl via Apple Watch
🎡 Music
(19K)
freemium
20
Focus Keeper - Pomodoro Timer
Focus Keeper - Pomodoro Timer
Focus Keeper - Pomodoro Timer
ADHD Organizer & Productivity
Free

This app helps boost productivity and combat procrastination using the Pomodoro technique. It breaks tasks into focused work intervals followed by breaks, ideal for students, professionals, and individuals managing ADHD. Track your progress and stay on task with customizable settings and an intuitive interface.

Pomodoro timer with customizable sessionsStudy and exam timer functionalityADHD-friendly structured technique
πŸ“Š Productivity
(31K)
free with in-app purchases

Related searches

40hz brain trainer40hz gamma40hz brain trainer - alzlife40hz灯ground- 40hz brain regulationlucidwave: 40hz brain healthneurabeat: 40hz focus