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Isochronic

Isochronic

Really Easy Brain Entrainment

67 ratings
50 reviews
🌟 Lifestyle
💪 Health & Fitness

Archived App (Last seen on 21 Jun 2026)

This is an archived listing of the app previously available on the App Store.

Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.

Details

  • Released
  • Updated
  • February 21, 2013
  • January 13, 2023

Features

Developer

Carlos Mauricio López Londoño
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About

Generate custom isochronic tones for brainwave entrainment. Mix tones with your own music, set timers, and use presets for various states like sleep or meditation. Save your favorite tones for quick access.

✓Custom isochronic tone generation
✓Carrier tone adjustment
✓Mix with own music
✓Adjustable wave volume
✓Timer up to 59 minutes
✓Preset sessions
✓Memory slots for favorite tones
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What's New in Isochronic

1.9

January 13, 2023

New GUI and support for all new iphone models

User reviews

Most RecentHighest RatedLowest Rated

Awesome

I enjoy being able to customize and save tones that fit my needs.
h4k3r322h4k3r322

Clicking Effect in Speakers

The app seems to produce a “clicking” effect when run through a good set of powered speakers. The clicking effect stops when run at the same time as another app that is simultaneously playing music.
Bassman 5000Bassman 5000

Response from developer

May you tell us which freqs were playing in the app? Thanks a lot

Awesome app

Hi! I love everything about this app. Thank you for creating it!!

One request: is it possible to extend the timer? I want to be able to play the sound for more than an hour. Thank you!
peasblossomspeasblossoms

Simple and excellent

Delivers custom isochronic tones
Mad_reviewsMad_reviews

Useful, besides random pausing

The tone will pause randomly when I receive a notification. Besides that, I enjoy the app and the UI
pogmuffinpogmuffin
See 45 more reviews

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FAQ

What is an isochronic tone?

Isochronic tones are regular beats of a single tone used for brainwave entrainment. Unlike monaural beats, they consist of separate pulses of a single tone, creating a stronger stimulus for brain entrainment.

What can I do with the Isochronic Tone Generator app?

You can create custom isochronic tones with variable carrier frequencies, mix them with your own music, set a timer for sessions up to 59 minutes, and use presets for sleep, relaxation, or meditation. You can also save your favorite tones.

Is this app free to use?

Yes, the Isochronic Tone Generator app is free to use. It does not contain in-app purchases or advertisements.

Do I need headphones to use this app?

No, headphones are not required for entrainment to be effective with isochronic tones. The interference pattern that produces the beat is outside the brain.

Who should not use this app?

Individuals with epilepsy should not use mind entrainment products without the approval of a medical physician. It is also advised not to drive or operate dangerous machinery while listening, as the technology can induce hyper-relaxed states.