Join or Sign In

Sign in to add and modify your software

Continue with Facebook Continue with email

By joining, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.

Developer's Description

Spectrum is a room frequency response app designed to be easy to use while packing the features that are useful for audio and HiFi enthusiasts. While it isn't going to replace an ECM8000, it is at least portable, free and can double as a sound meter.


View real-time amplitude and frequency data from the phone

Store last recorded amp/freq into the built-in database

Built-in 5kHz, 8kHz tones and 20-20kHz sweep

Fine control over graph update speed.

Open source


You will need to grant microphone access for this app to work. This app is completely offline so all data remains on your device.

Full Specifications

What's new in version 1.2.0


Release July 29, 2020
Date Added July 29, 2020
Version 1.2.0

Operating Systems

Operating Systems Android
Additional Requirements Requires Android 5.0 and up


Total Downloads 0
Downloads Last Week 0
Report Software

Related Apps

YouTube Music

YouTube Music

Google Play Music

Google Play Music

Spotify: Listen to new music and play podcasts

Spotify: Listen to new music and play podcasts

Pandora Music

Pandora Music

Best VPN Services for 2021

Best for privacy

3 months free with 1-year plan

Best for customer support

$39.99 for the first 12 months

Best for zero logs

$4.87.99/months for a 1-year plan

Best money-back guarantee

$2.99/months for a 3-year plan