External microphone support for flexible sensing setups
Anonymous cloud uploads and device ID privacy to protect user data
Lacks broad media features commonly found in general-purpose audio apps (no emphasis on screen-captured video or easy sharing of recordings)
Continued background use can increase battery consumption in extended sessions
Location-based mapping may raise privacy considerations if enabled
About Infrasound Recorder
Infrasound Recorder is an education app developed by RedVox.
Download Statistics
Infrasound Recorder has been downloaded 59 thousand times. In the last 30 days, the app was downloaded 580 times.
User Ratings
Infrasound Recorder is rated 3.30 out of 5 stars. The rating is based on 200 ratings.
App Information
Infrasound Recorder is FREE to download. The APK download size is 25.39 MB. The latest version available is 4.1.7. The last update was on February 14, 2025.
Technical Requirements
Infrasound Recorder requires Android 7.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play March 2018.
Description
The RedVox Infrasound Recorder captures sub-aural low frequency sound from volcanic eruptions, sonic booms, meteors, earthquakes, tsunamis, surf, and anything big that blows up.
Be part of the world-wide infrasound exploration!
Recording and streaming over wifi or cell starts as soon as you hit play.
The main display shows the infrasonic pressure recorded with the internal microphone and (if available) barometer. Microphones plugged in through the data port or audio jack will override the internal microphone.
Sound files are sent anonymously to the RedVox cloud server at redvox.io.
Your app version and RedVox device ID is shown in the lower center of the front page, and can be changed in Settings.
RedVox Recorder can record in the background to continuously monitor infrasound events and ambient noise. Although continued recording will consume more power, with the screen off it can run off the internal battery for many hours.
We can also save the location of the device so that we can correctly map the infrasound that your device is recording and perform source localization.
In the absence of cell or wifi, Recorder will save to memory and retransmit when communications are restored if the backfill setting is on. A record of the communication dB level is saved when available.
You have access to all the files recorded in your device in a directory you choose during installation.
Continued use of GPS running in the background can decrease battery life.
PRIVACY -Access to the microphone is needed to run the app. -The free level only supports 80 and 800 Hz audio. -At 80 Hz, audio is heavily low-pass filtered below 32 Hz. There is no possibility of conversation or other identifiable human voicing being picked up. -At 800 Hz audio is heavily low-pass filtered below 320 Hz - in the bass guitar frequency range, and well below the primary speech range of 1-3 kHz. -Should you choose to use 8 kHz sampling or above at the Premium level, conversational audio could be recorded. The default privacy setting for the higher sample rates is private. -The RedVox Device ID is either a truncated version of the scrambled vendor ID or user-specified in the settings. It is not traceable to any account or personal information.
Recent changes: Add additional prominent disclosure for location access.
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I think this app is absolutely amazing! It allows any individual the opportunity to learn more about bioacoustic easily, and learn more about what occurs within their everyday life. A lot of the features are easy to learn how to use, and you can begin collecting data as soon as you download the app.
★★★★★Patrice· Aug 27, 2025
I have been looking for years trying to find a way to record or monitor infra sounds since we were getting sick from a neighbor's ceiling fans which were amplified by the concrete structure of the apartment. We finally got better once the fans were removed, but at a very high legal and expensive cost. You are a God sent, thank you!
★★★★★Stephanie Ann Scott· Feb 4, 2023
So I moved into an apartment that was making my ears ring horrible. Same for anyone who comes in the apartment. We have a power-line behind the building, and the building is very old. Just trying to figure out if this ringing is due to electrical issues in the building, old furnace? Or could this be a neighbor using low frequency sound to harass me? I didn't hear these sounds when I first moved in. The RED VOX app showed a frequency of -63 to -120. Thoughts?
★★★★★theresa gibson· Jun 13, 2021
Re Pulsingautomotion@fbicyber@yates 3 McConkey Units 4,9,10,and 12. Encapsulated Ethernet, on a GSM network, thanks eset securities for taking photos of 1 integrated MAC 2018. Embedded 443,64,32. Ie Frame%32% loser told my dad automation/V2K to teach me a lesson, wanted me in rehab after thus, his wife left him, cheated on him. My Infrasound in evidence 2019@brantford police, clearly there widgets show playback their recordings since May 2020 their infrasound illegal recordings.
★★☆☆☆Mloc· Nov 4, 2020
I have allowed all permissions, only saw in another review you replied to, you mentioned that the recording has to be at least 1 minute long to build a save location. So I recorded for 1m20s. Now I see the file in the app and in my file explorer, but it won't play.... Can you tell me how I do that, so I can hear what I've recorded? I'm really curious to get what I'm hearing on file, because I seem to be the only one who can hear it
★☆☆☆☆Lilith Langdon· Mar 20, 2025
Permissions requirements are super sketchy, but also it doesn't even work. I physically cannot simply make a recording and download it to play it back. That is literally all that I want, but whenever I hit record, it makes the recording, I hit save as WAV file, and it says I have no recording selected. I've tried googling, reading the insanely outdated user manual on their website, nothing. There is no way to simply download and listen to what I record.
★★☆☆☆Will Phoneman· Apr 27, 2026
Take an app with a good idea behind it, and then make it so challenging to use and full of so many fake errors, that even someone with decent technical expertise gets frustrated, and you have this app. Recordings don't save, regardless of where I change the directory to, all permissions granted, and signed in as well. Nothing shows up online, will not save as a wav file, just getting invalid errors every time. This was supposed to be for a cool little science project, but it's too broken
★☆☆☆☆A. Brind'Amour· Jan 13, 2019
No file gets saved in the folder created. I need this to save files!
Google Play Rankings for Infrasound Recorder
This app is not ranked
Technologies used by Infrasound Recorder
Infrasound Recorder is requesting 18 permissions and is using 18 libraries.
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