Delta Waves‪+‬ 4+

Relaxing Music for Fast Sleep

Equilibrium Srl

Designed for iPad

    • 4.5 • 275 Ratings
    • Free
    • Offers In-App Purchases



Welcome to Delta Waves+, where brainwave entrainment is at its simplest!


•Binaural beats to help you meditate, sleep or focus and concentrate on your daily tasks!
More scientifically, it consists of engineered audio frequencies that cause the brain’s frequencies to align to the frequency of a given beat. Your brain will perceive an hypnotic effect which may elicit a trance-like state. Brainwave entrainment uses frequencies that are the same as the ones naturally produced in the brain during meditation.
Delta waves, for instance, are high amplitude brain waves that are associated with the state of deep sleep known as REM. They are the slowest waves, and have a frequency between 1 and 4 Hz.

• Delta Waves+ is an app that allows you to recreate Delta, Beta, Alpha, Gamma and Theta brainwaves, helping you sleep deeply or improve your focus while working or studying!
Adjust the frequencies to your liking by moving the white dot-slider placed on the sound wave at the center of the screen.
You can also set a timer to stop the playback at a time of your choosing!
And remember: headphones are highly recommended!

• With Delta Waves+ you can also listen to 7 beautiful relaxing songs to allow for a deeper relaxation and you can also generate different nature sounds like rain sounds! Mix them in with the brainwaves to soften them and block out environmental noise!
Finally, you can change the background theme color in the settings page: choose between 7 relaxing Delta Wave inspired colours.

• HealthKit integration! Now you can choose whether to log your timer sessions to the Health app as "Mindful Minutes".

• By purchasing the full version of the app, you can unlock and enjoy all of these features and improve your relaxation experience!
We've put a lot of thought and passion in creating this app, and we hope that by using it many people will discover the power of brainwave entrainment and binaural sounds!

Subscription pricing and terms:
Delta Waves+ offers an auto-renewing monthly subscription at $1.99/month to provide you with unlimited access to the Delta Waves+ features while you maintain an active subscription.

Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase.
Read more about our terms and conditions here:

Terms of service:
Privacy policy:

If you have any questions, or concerns, please email us at:

What’s New

Version 2.2.4

- Bug fixes and general improvements under the hood!
Thank you for supporting us and stay tuned! More is coming!

Ratings and Reviews

4.5 out of 5
275 Ratings

275 Ratings

Solo dextrose ,

Works great!

I had a hard time sleeping when I got the piles. I played this at night and fell asleep right away. 2nd night I was still awake. No biggie I set it to 10 minutes and it worked. If you ever wake up in the middle of the night and can't go back to sleep, don't play Candy Crush or read a book, just play this app instead!

Jeff Pham ,


Very upset, the free version of the app only has 2 songs which I loved listening to every night to help me sleep... However, the new update now has banner ads.. but the WORST thing is now you CANNOT play the sound while the screen is off! You must leave the screen on to play the sound which makes it useless for me now... The app is ruined and unfortunately, I cannot use it if I can't turn off the screen (the battery will drain badly and the phone screen will get damaged from leaving it on all night)... Not happy about it, I have used the free version of this app for years.. this is absolutely appalling.. you have to pay a membership for this app... very disappointed, this was actually my favorite app for sleep despite only having 1-2 free songs...

Developer Response ,

Hi Jeff Pham! We listened to the feedback and now background playback can now be enabled again in the settings screen! For any other inconvenience, please contact us at . We would love to write to you to sort everything out! Thank you.

[Previous Answer]
Hi Jeff Pham! Thank you for sharing your feedback! Please, contact us at We would love to discuss what happened and how to resolve it! Thank you! Equilibrium Apps Team

NightRelic1 ,

Great on iPad

I've always had trouble falling asleep. I've used the Night Time Fan App somewhat successfully. Someone suggested I try something that would impact specific brain waves. I downloaded this on my iPad. It works pretty well. You'll have to mess with the pitch to see which works the best for you. I like it best without the music. I decided to download on my iPhone. It sounds a lot different. It's clunkier, with the throbbing beat standing out a lot more. I don't think it will work for me like that.

App Privacy

The developer, Equilibrium Srl, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Data Linked to You

The following data may be collected and linked to your identity:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Health & Fitness
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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