Best Spectroid Apps

187+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated June 2026

Audio / Spectrum Analyzer is the household name in spectroid, but it's far from the only option. We track 187+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Spectroid

Audio / Spectrum Analyzer#1

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Octave Analysis)
Editor's Choice
🎵 Music
4.9😐(72 ratings)
$10.99AdsIn-App Purchases
Audio / Spectrum Analyzer screenshot 1
Audio / Spectrum Analyzer screenshot 2
Audio / Spectrum Analyzer screenshot 3
Audio / Spectrum Analyzer screenshot 4
Audio / Spectrum Analyzer screenshot 5
Audio / Spectrum Analyzer screenshot 6

This app is a versatile Audio/Spectrum Analyzer that allows users to view and analyze audio waveforms and amplitude spectrums from microphone input. It offers customization options for display settings, FFT size, window functions, waveform generation, and noise signal generation. Additionally, it supports Bluetooth connection policies and offers an option to hide advertisements through an in-app purchase. For a more advanced multi-channel audio signal experience, users can try out the "Multi Wave Oscillator" linked within the app's settings.

What We Love

  • 👍 Customizable features
  • ⚙️ Accurate measurements
  • 🚀 Helpful for troubleshooting
  • 💡 Useful for ghost hunting

Room to Improve

  • 🐛 Crashes and freezes
  • 🔋 High battery and CPU usage
  • 🚫 Inappropriate ads/content
Decibel X:dB Sound Level Meter#2

Decibel X:dB Sound Level Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer
Strong Contender
🔧 Utilities
4.7😐(156K ratings)
FreeIn-App Purchases
Decibel X:dB Sound Level Meter screenshot 1
Decibel X:dB Sound Level Meter screenshot 2
Decibel X:dB Sound Level Meter screenshot 3
Decibel X:dB Sound Level Meter screenshot 4
Decibel X:dB Sound Level Meter screenshot 5
Decibel X:dB Sound Level Meter screenshot 6

Transform your iOS device into a professional sound level meter with pre-calibrated accuracy and various frequency spectrum analysis tools. Measure sound pressure levels, export data to Health app, and enjoy features like FFT graphs, dosimeter readings, and InstaDecibel for social sharing. Experience the convenience of tracking noise levels with precision and ease.

What We Love

  • ⭐ Excellent app
  • 👍 Easy to use and understand
  • 🔍 Useful for various applications
  • 🎓 Helpful for hearing protection

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
Frequency Analyzer#3

Frequency Analyzer by Manfred Kuegel

Audio Spectrum, Spectroid, dB
Worth Considering
🔧 Utilities
4.5(97 ratings)
FreeIn-App Purchases
Frequency Analyzer screenshot 1
Frequency Analyzer screenshot 2
Frequency Analyzer screenshot 3
Frequency Analyzer screenshot 4
Frequency Analyzer screenshot 5
Frequency Analyzer screenshot 6

Transform your device into a professional-grade audio analysis suite with industry-leading processing, precision calibration tools, and comprehensive visualization capabilities. Download now and unlock the full spectrum of acoustic measurement capabilities for applications such as acoustic measurement, audio engineering, environmental noise consulting, and more.

More Spectroid apps to explore

4
MintFFT
MintFFT
MintFFT
Audio spectrum analyzer
Free
🎵 Music
(0)
5
Decibel : dB sound level meter
Decibel : dB sound level meter
Decibel : dB sound level meter
Audio noise Spectrum Analyzer
Free

An advanced sound level meter app with a built-in Spectrum Analyzer for precise measurements. Monitor noise levels, save measurements, export data, and protect your hearing using various features. Download now for accurate sound monitoring and protection.

🔧 Utilities
(36K)
6
Smaart RTA
Smaart RTA
Smaart RTA
RTA, Spectrograph, SPL Meter
Free
🎵 Music
(195)
7
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Sound Frequency Analysis
Free

This app is a powerful real-time audio analysis tool with features like FFT plot, octave band real-time analyzer, and various measurement functions. It offers precise measurements using device-integrated microphones, AirPods support, and external microphone compatibility. Explore more features and functionalities by checking out the app!

🎵 Music
(236)
8
Audio Spectrum Analyzer dB RTA
Audio Spectrum Analyzer dB RTA
Audio Spectrum Analyzer dB RTA
Sound frequency, decibel meter
Free

An advanced audio analysis app with features like real-time spectrum analysis, sound meter, and FFT plot for tuning home cinema, car stereo, and more. Experience precise frequency breakdowns and harmonic analysis with smooth HD graphics. Contact support for questions or feedback.

🎵 Music
(3K)
9
NIOSH Sound Level Meter
NIOSH Sound Level Meter
NIOSH Sound Level Meter
by EA LAB d.o.o.
Free

This award-winning app, developed by acoustics engineers and hearing loss experts, offers a simple and free solution for measuring sound levels accurately. It provides essential metrics, calibration options, educational resources, and expert support, making it a comprehensive tool for monitoring noise exposure and protecting hearing. Click the link to access the app: [NIOSH Sound Level Meter](https:/www.cdc.gov/niosh/topics/noise/app.html).

🔧 Utilities
(16K)
10
FFTWave
FFTWave
FFTWave
by Eisaku Nozu
Free

This app visualizes sound waves and spectra in real-time using your device's microphone, allowing you to analyze frequency characteristics and detect peaks. With features like pinch zoom and peak hold, it helps with sound adjustments and howling analysis, giving you a powerful tool to fine-tune your audio.

🔧 Utilities
(15)
11
Spectrum Analyzer: Spectrogram
Spectrum Analyzer: Spectrogram
Spectrum Analyzer: Spectrogram
Audio frequency visualizer
Free

Experience real-time sound analysis with a professional Spectrum Analyzer app that includes a sound level meter, multichannel harmonic analysis, adjustable graphics, and an AI-powered sound source analyzer. Enhance your understanding of your sound environment with detailed graphical representations and precise measurements. Check it out now!

🎵 Music
(188)
12
ToneScope
ToneScope
ToneScope
Real-time Spectrum Analyzer
Free
🔧 Utilities
(0)
13
Sound Meter (dB) - dBShift
Sound Meter (dB) - dBShift
Sound Meter (dB) - dBShift
Quick Sound Analyzer
Free

Measure, record, and analyze sound levels in real-time with a precise mobile app designed for professionals and individuals alike, featuring real-time measurement, sound recording, and graphical analysis. Download the app to start tracking sound levels and receive customizable alerts and historical data insights.

🎵 Music
(18)
14
SpectrumView
SpectrumView
SpectrumView
by Oxford Wave Research Ltd.
Free

Visualize frequencies in real-time with SpectrumView, an audio companion for iOS devices. Measure tones, analyze sounds, record audio, and access various tools for detailed frequency analysis, all in one app. Explore SpectrumView today for a new level of audio visualization and manipulation.

📚 Education
(70)
15
Sound Spectrum Analysis
Sound Spectrum Analysis
Sound Spectrum Analysis
Audio Frequency Analyzer (RTA)
Free

This application analyzes sound spectra in real-time using a microphone, offering features such as FFT, linear and logarithmic scales, and various window functions. It can be used to measure noise levels, detect peak frequencies, and export data, making it a useful tool for sound analysis and measurement.

🔧 Utilities
(41)
16
分贝测试仪 - 专业的噪音检测仪
分贝测试仪 - 专业的噪音检测仪
分贝测试仪 - 专业的噪音检测仪
Frequency Spectrum Analyzer
Free

A professional decibel meter app for noise detection on your mobile device. Features a new military-grade algorithm, noise recording, classification system, and real-time ambient noise visualization. Subscribe for ad-free experience, sensitive tests, and free access to all toolkits.

🔧 Utilities
(58K)
17
Noise Spectrum Logger
Noise Spectrum Logger
Noise Spectrum Logger
by Yukiko Iwai
Free
📚 Education
(1)
18
Decibel Meter Noise DB Reader
Decibel Meter Noise DB Reader
Decibel Meter Noise DB Reader
Frequency Generator & Analyzer
Free

Transform your iPhone into a professional-grade sound lab with this app, offering real-time noise measurement, acoustic analysis, and frequency generation. Measure environmental noise, analyze sound frequencies, generate sound waves, and save reports for professionals or personal use.

🎵 Music
(13)
19
Spectre Analyzer for Logic Pro
Spectre Analyzer for Logic Pro
Spectre Analyzer for Logic Pro
Auv3 Plugin for iOS and macOS
Free

This audio plugin visualizes your audio in real-time using high-resolution FFT technology, providing a precise rendering of audio frequencies. Compatible with various host apps, it leverages GPU rendering to minimize CPU usage, allowing for seamless audio processing.

🎵 Music
(3)
20
Noise Guru: Decibel Meter
Noise Guru: Decibel Meter
Noise Guru: Decibel Meter
Sound level meter, audio tools
Free

Monitor and measure sound levels with precision using our decibel meter app. Protect your hearing health, set noise standards, and find quiet recording spots effortlessly. Take control of your sound environment today.

🔧 Utilities
(299)