Spectroid

1.1.2

Carl Reinke

4.56

15,578 reviews

1,000,000+
Downloads

Free

Audio Spectrum Analyzer

Pros & Cons

Real-time spectrum analysis across the full frequency spectrum
Intuitive pinch-to-zoom for detailed inspection
Overlapped FFTs improve low-frequency resolution
ProGuarded for security with a lightweight APK (~108 KB)

Not a calibrated instrument, so it is not suitable for professional SPL measurements
No explicit spectrum data export or calibration feature; intended for visualization rather than precise instrument-grade data
Focus on visualization may mean fewer advanced measurement modes compared to dedicated analyzers

About Spectroid

Spectroid is a tools app developed by Carl Reinke.

How many times has Spectroid been downloaded?

Spectroid has been downloaded 4.8 million times. In the last 30 days, the app was downloaded 17 thousand times.

What is the rating of Spectroid?

Spectroid is rated 4.56 out of 5 stars, based on 16 thousand ratings.

Is Spectroid free?

Spectroid is free to download. The APK download size is 105.47 kB. The latest version available is 1.1.2. The last update was on August 26, 2022.

What are the requirements for Spectroid?

Spectroid requires Android 4.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play September 2014.

Description

Spectroid is a real-time audio spectrum analyzer with reasonable frequency resolution across the the entire frequency spectrum.

More data about Spectroid

Price	Free to download
Total downloads	4.8 million
Recent downloads	17 thousand
Rating	4.56 based on 16 thousand ratings
Ranking	Not ranked
Version	1.1.2
APK size	105.5 KB
Number of libraries	0
Designed for Android	4.0+
Suitable for	Everyone
Ads	NO ads

App Performance Report

Get a detailed PDF report for Spectroid with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more

Get PDF Report — $29

Alternative downloads for the Spectroid app

Spectroid compared with similar apps

Common keywords of similar apps

Spectroid Resolution Power Values Negative Maximum Zoom Plot Discontinuities Spectrum Frequency Audio Analyzer Db Data Device

Keywords missing from this app

Sound Time Level Noise Meter Decibel Real App Display Fft Weighting Spl Frequencies High Recording Levels Microphone Measurement Peak Amplitude Features Devices Mode Pro Reference Test Hz Recent Dba View Analysis Video Music Rta Scale Low Range Calibration Tool Size Phone Fast Measure

Google Play Rating history and histogram

13K

1.1K

610

410

810

Downloads over time

Spectroid has been downloaded 4.8 million times. Over the past 30 days, it averaged 560 downloads per day.

Changelog of Spectroid

Show changelog

Developer information for Carl Reinke

Carl Reinke

android@intoorbit.org

Website

Legal name:

Address:

Are you the developer of this app? Join us for free to see more information about your app and learn how we can help you promote and earn money with your app.

I'm the developer of this app

Comments on Spectroid for Android

★★★★★ Marc Cané · Dec 26, 2025

Simple and intuitive, you can clearly see what frequency a sound is. fft all the way

★★★★★ Ian Richter · Dec 2, 2025

I use it all the time for music/audio projects. Great for when you need to know what frequencies you're hearing. Would love some options such as viewing custom bandwidths or adjusting the view for how much time the spectrogram is showing.

★★★★☆ Leo Mihalache · Jan 29, 2026

Very useful application. Simple and easy to use. One issue that I have is that the logarithmic scale used is in base 10. It would be nice if there were an option for base 2 logarithmic scale.

★★★★★ Darren Walker · Feb 8, 2026

4 months nightmare just ended for me at 21.44hrs 8th Feb 2026. Using this app to find the tonal lfn dead spot in my bedroom ... pure silence and proof I'm not insane. Priceless!!! This app is awesome. thank you, Carl, you're the man! (geotag would definitely be a useful addition and very helpful in tonal lfn noise forensic analysis).

★★☆☆☆ IT IZME · Aug 6, 2026

I got this to find the jerk neighbor using hi frequencies to control another neighbors dog. Its reads 18 -20khz. Not ultrasonic. The problem I see with this app is ALL the Peak markers are forced to be in the exact same area, within a few hertz, because of ambient sounds. Would help if there was a way to put the markers inside a specific range, entered into a min & max box. Otherwise, no complaints. Now, off to get an external mic & parabolic, to go find this A H

★☆☆☆☆ Joe · Feb 25, 2026

it's wonderful, I've never been more intouch with what frequencies can do to a human.

★★☆☆☆ Andy M · Oct 23, 2025

Not clear how to use it I want to verify what wavelength has the red-light I just purchased but is not clear

Google Play Rankings for Spectroid

This app is not ranked

Technologies used by Spectroid

Spectroid is requesting 1 permissions and is using 0 libraries.
Show details

AppBrain is a directory focused on discovering great apps and games. We give statistics, rankings and search options that Google Play and the App Store don't have. All trademarks are owned by their respective owners. AppBrain doesn't offer APKs or binaries, and always lets users install the official version from Google Play or the App Store.

More apps