# Earthtunes — Listening to the Solid Earth

> Listen to amplified seismic waves from within the Earth. (iPhone/iPad app by Northwestern University.)

- Source: https://appshunter.io/ios/app/earthtunes/id1529159097 (this page in markdown: same URL + `.md`)
- Developer: [Northwestern University](https://appshunter.io/developer/348646676)
- Category: Education
- Price: Free
- Rating: 5.00/5 from 5 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 15 MB
- Languages: Spanish
- Released: 2020-12-22
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/earthtunes/id1529159097/reviews.md

## What is Earthtunes?

Earthtunes is a mobile App that helps you listen to normally inaudible sounds within the Earth beneath us. These sounds are caused by seismic waves and are so low in frequency that our ears do not hear them. Most of these seismic waves are weak and continuously generated by a range of environmental sources. Some of these seismic waves are strong and caused by earthquakes.

If you’ve ever played videos at twice the speed, you will have noticed that the pitch of the video’s sound went up as well. Earthtunes lets you listen to the Earth’s seismic waves by increasing their pitch. Two hours of seismic data translates to several seconds of sound.

We hope you find these sounds as fascinating as we do. As seismologists we are working to understand what these sounds mean, it’s like learning a foreign language without a dictionary. While we have learned a lot over the past 100 years, many mysteries remain.

## Key features

- Listen to inaudible seismic waves
- Amplify low-frequency sounds
- Experience Earth's geological vibrations
- Understand seismic wave origins
- Fascinating auditory exploration


## Frequently asked questions about Earthtunes

### What is Earthtunes?

Earthtunes is a free mobile application that allows users to listen to normally inaudible seismic waves from within the Earth. It amplifies these low-frequency sounds to make them audible, offering a unique way to explore geological phenomena.

### How does Earthtunes make seismic waves audible?

Earthtunes increases the pitch of seismic waves, similar to speeding up a video's audio. This process translates hours of seismic data into seconds of audible sound, revealing the Earth's hidden acoustic landscape.

### What kind of sounds can I expect with Earthtunes?

You can expect to hear sounds generated by both continuous environmental sources and stronger seismic events like earthquakes. The app aims to make the complex acoustic signals of the Earth accessible and fascinating.

### Is Earthtunes suitable for children?

Earthtunes has an age rating of 4+, making it suitable for younger users interested in science and exploration. The app provides an educational and engaging way to learn about the Earth.

### What devices support Earthtunes?

Earthtunes is available on iPhone, iPad, and iPod devices. It is designed to be accessible on a range of Apple mobile hardware.

### How often is Earthtunes updated?

The latest version of Earthtunes is 1.3.7, and it was last updated on January 16, 2024. This indicates a relatively active development cycle for the application.

### Does Earthtunes have ads?

No, Earthtunes does not contain advertisements. As a free application, it provides an uninterrupted listening experience without any ad interruptions.

### What is the user feedback on Earthtunes?

Earthtunes has received excellent user feedback, with an average rating of 5.0 stars from 5 ratings. This suggests a high level of user satisfaction with the app's functionality and educational content.

## Version history (last 5 releases)

### 1.3.7 — 2024-01-16

- Check the new "Relax mode"!
- Add new stations using only the name (BORG, NWAO...)

### 1.3.6 — 2023-11-29

- Listen to the Earth in silent mode
- Show a message if your wave cannot be temporary shared

### 1.3.5 — 2023-08-23

Improvements on Kiosk Mode

### 1.3.4 — 2023-05-15

- Import/Export your station list
- Improved the kiosk mode
- Octaves higher selection improved

### 1.3.3 — 2022-02-24

- fixed: Earthtunes stopped working when using Antarctica stations
- fixed: Other minor bugs

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## More apps by Northwestern University

- [Feinberg](https://appshunter.io/ios/app/feinberg/id1068609948)
- [Northwestern Reunion](https://appshunter.io/ios/app/northwestern-reunion/id1154103401)
- [NM Cardiovascular CME](https://appshunter.io/ios/app/nm-cardiovascular-cme/id1426553611)
- [Silhouette Connect](https://appshunter.io/ios/app/silhouette-connect/id1466872157)
- [Find My Understudied Genes](https://appshunter.io/ios/app/find-my-understudied-genes/id1666636612)

All apps by Northwestern University: https://appshunter.io/developer/348646676

## Related topics

[schumann resonance](https://appshunter.io/ios/topics/schumann-resonance)

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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 2026-06-04.*