Best Octave Rta Apps

211+ iOS apps curated and reviewed

4.3 avg rating
12 free apps
Updated May 2026

Out of 211+ octave rta apps on iOS, 12 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Octave Rta

Octave RTA#1

Octave RTA by ONYX 3

Real Time Sound Analyzer
Editor's Choice
🎵 Music
4.4(150 ratings)
$9.99
#97in Music
Octave RTA screenshot 1
Octave RTA screenshot 2

An essential tool for sound engineers, Octave RTA is a real-time sound analyzer that helps in sound checking and analysis. Experience precise audio monitoring with this app, ensuring optimal sound quality in your setup.

AUDIIO - RTA Analyzer#3

AUDIIO - RTA Analyzer by BetaMatters Limited

Spectrogram, RTA, dB Analyzer
Worth Considering
🎵 Music
4.3(84 ratings)
FreeAdsIn-App Purchases
AUDIIO - RTA Analyzer screenshot 1
AUDIIO - RTA Analyzer screenshot 2
AUDIIO - RTA Analyzer screenshot 3
AUDIIO - RTA Analyzer screenshot 4

This real-time audio analyzer app visualizes sound in various graphs, including RTA, FFT, and spectrogram, with customizable scales and data displays. Download the app to analyze and view audio data in a sleek and functional interface.

More Octave Rta apps to explore

4
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)
5
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Frequency Spectrum Analyzer
Free

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.

🔧 Utilities
(156K)
6
Audio / Spectrum Analyzer
Audio / Spectrum Analyzer
Audio / Spectrum Analyzer
RTA (FFT / Octave Analysis)
$10.99

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.

🎵 Music
(72)
7
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)
8
RTA Audio
RTA Audio
RTA Audio
by New Ball s.r.o.
Free

This application provides a real-time audio analyzer with recording capabilities and a visualizer module for exporting results, allowing users to analyze and process audio inputs using Fast Fourier Transform. With its various features and tools, users can record, visualize, and export audio data in a PDF document, making it easy to share or archive analysis results.

🎵 Music
(31)
9
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)
10
Spectrum Analyzer RTA
Spectrum Analyzer RTA
Spectrum Analyzer RTA
Sound Frequency Analyzer
$19.99
🎵 Music
(67)
11
Audio spectrum analyzer EQ Rta
Audio spectrum analyzer EQ Rta
Audio spectrum analyzer EQ Rta
Sound frequency, decibel meter
$3.99

An advanced real-time audio analysis app with features like Octave Band Real-Time Analyzer, FFT Plot, and Multispectral Harmonic Analyzer. Ideal for room and speaker tuning, this app provides detailed audio measurement and visualization. Contact for more information at lspappscare@gmail.com.

📊 Productivity
(245)
12
mimigar
mimigar
mimigar
by Evixar Inc.
Free
🎵 Music
(0)
13
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)
14
RTA
RTA
RTA
Real Time Analyzer
$4.99

This professional-grade acoustical analysis tool for iOS devices allows users to test speakers, tune rooms, and analyze audio frequencies in real-time, meeting or exceeding ANSI and IEC Class 1 specifications. With various features such as octave and 1/3 octave modes, save and recall graphs, and calibration capabilities, users can trust the accurate results and take their audio analysis to the next level.

🎵 Music
(24)
15
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
RTA, Acoustics Measurement SPL
$19.99

Get precise sound measurements on your smartphone with AudioTools. Measure dB levels, analyze sound frequencies, and optimize audio equipment for the best sound quality on the go. Download now for accurate audio analysis!

🎵 Music
(5K)
16
FFT Plot
FFT Plot
FFT Plot
Sound Frequency Analyzer RTA
$9.99

Powerful real-time audio analysis app designed for musicians and sound enthusiasts. Features include customizable FFT size, peak frequency detection, various window functions, and adjustable scales for precise audio measurement and visualization. Ideal for room and speaker tuning. Fine-tune sound with FFT Plot today!

🎵 Music
(87)
17
Tuner Lite by Piascore
Tuner Lite by Piascore
Tuner Lite by Piascore
The Ultimate Chromatic Tuner
Free

"Experience the ultimate chromatic tuner and pitch pipe with Tuner Lite by Piascore! Tune your instrument accurately using your device's mic, with support for various instruments and custom settings. Visit the website for more information and to get started today."

🎵 Music
(9.5K)
18
Madona: Run MATLAB/Octave code
Madona: Run MATLAB/Octave code
Madona: Run MATLAB/Octave code
Compile MATLAB and Octave code
Free

Write and execute MATLAB/Octave code directly on your mobile device with a user-friendly environment that supports compilation, plotting, and syntax highlighting. Ideal for learning and testing code snippets, this app provides a mobile solution for numerical experiments and problem-solving - start coding today!

📚 Education
(15)
19
DM-RTA
DM-RTA
DM-RTA
by AudioControl
Free

This portable signal analyzer provides essential tools for installers to optimize sound systems, including real-time analysis, voltmeter, polarity checking, SPL metering, and oscilloscope functions. With its built-in battery and Bluetooth connectivity, it helps users take precise readings and make adjustments on the go to achieve perfect sound.

🔧 Utilities
(11)
20
Octave Band Real Time Frequency Analyzer and Sound Level Meter
Octave Band Real Time Frequency Analyzer and Sound Level Meter
Octave Band Real Time Frequency Analyzer and Sound Level Meter
by Marina Polyanskaya
$1.99

This powerful real-time audio analysis tool provides precision measurement and visualization for room tuning, speaker tuning, and sound analysis, offering advanced features typically found in expensive software. Ideal for both amateur and professional users, it offers fast and accurate spectrum analysis, smooth HD graphics, and an integrated sound level meter.

📊 Productivity
(4)