# Gamma 40 Hertz — Multimodal brain boost!

> Multimodal brain stimulation app for 40 hertz gamma wave enhancement. (iPhone/iPad app by Alterscope Solutions LLC.)

- Source: https://appshunter.io/ios/app/gamma-40-hertz/id6444579052 (this page in markdown: same URL + `.md`)
- Developer: [Alterscope Solutions LLC](https://appshunter.io/developer/1551052588)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases
- Rating: 4.44/5 from 9 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 9 MB
- Languages: Arabic, French, German, Hebrew, Hindi, Indonesian, Italian, Japanese, Portuguese, Chinese and 2 more
- Released: 2022-11-23
- Data updated: 2026-08-05
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/gamma-40-hertz/id6444579052/reviews.md

## What is Gamma 40 Hertz?

The Gamma 40 Hertz app gives you access to a quick brain boost. Some recent research suggests that 40 hertz gamma brain waves decline with age and that reversing the decline can be helpful. This app stimulates 40 hertz gamma waves through light, sound, and touch. 

Features:
* Multimodal, individually adjustable intensity across sound, touch, and sight
* 40 hertz square wave audio tone
* 40 hertz haptic vibration on iPhones
* 40 hertz visual signal using your device's flashlight
* 40 hertz screen oscillation on ProMotion devices

## Key features

- Multimodal stimulation (sound, touch, sight)
- Adjustable intensity
- 40 Hz audio tone
- 40 Hz haptic vibration
- 40 Hz visual signal (flashlight)
- 40 Hz screen oscillation

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |



## Frequently asked questions about Gamma 40 Hertz

### What is Gamma 40 Hertz?

Gamma 40 Hertz is a health and fitness app designed to stimulate 40 hertz gamma brain waves using light, sound, and touch. It aims to provide a quick brain boost and potentially reverse age-related declines in these waves.

### How does Gamma 40 Hertz work?

The app stimulates 40 hertz gamma waves through a 40 Hz square wave audio tone, 40 Hz haptic vibration on iPhones, and a 40 Hz visual signal using the device's flashlight or screen oscillation on ProMotion devices. Intensity is individually adjustable.

### What devices does Gamma 40 Hertz support?

Gamma 40 Hertz is available on iPhone, iPad, and iPod. It requires iOS 4.0 or later.

### Is Gamma 40 Hertz free to use?

Yes, Gamma 40 Hertz is free to download and use. However, it does offer in-app purchases for additional features or content.

### Does Gamma 40 Hertz have ads?

Yes, Gamma 40 Hertz contains advertisements. Users may encounter ads while using the application.

### How often is Gamma 40 Hertz updated?

The app was last updated on February 9, 2025, with version 2.4. This indicates a relatively active development cycle for the application.

### What is the age rating for Gamma 40 Hertz?

Gamma 40 Hertz has an age rating of 4+, making it suitable for a wide range of users. This suggests no mature content is present in the app.

### What do users think of Gamma 40 Hertz?

Users have rated Gamma 40 Hertz an average of 4.4 stars from 9 ratings. This indicates generally positive user sentiment towards the app's functionality and effectiveness.

## Version history (last 5 releases)

### 2.4 — 2025-02-09

New option to select sound wave type: square or sine
Improved interface

### 2.3 — 2024-03-20

- Added localization support for several languages

### 2.2 — 2023-05-01

-Added the ability to remove ads with an in-app purchase
-Bug fix with the screen flash toggle not always working on ProMotion devices
-Bug fix where the torch/flashlight was not using the slider input during playback

### 2.0 — 2023-02-27

* Interface improved so that the sliders adjust the signal volume and intenstity in real time
* Added support for ProMotion screen flicker
* Added option to prevent device sleep mode
* Added app review request
* Bug fix where volume preference wasn't saving across sessions

### 1.1 — 2022-11-23

This version now includes an advertisement banner.

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## More apps by Alterscope Solutions LLC

- [Self Help Desk](https://appshunter.io/ios/app/self-help-desk/id1551052586)
- [The Um Detector](https://appshunter.io/ios/app/the-um-detector/id1566958588)
- [iSwear Jar](https://appshunter.io/ios/app/iswear-jar/id1633852599)
- [Proximity Sense AR](https://appshunter.io/ios/app/proximity-sense-ar/id1662224416)
- [Cat Purr Generator](https://appshunter.io/ios/app/cat-purr-generator/id6444394341)

All apps by Alterscope Solutions LLC: https://appshunter.io/developer/1551052588

## Related topics

[40hz gamma](https://appshunter.io/ios/topics/40hz-gamma)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-05.*