FFT Plot
ONYX 3
Real-time audio analysis for sound.
The app provides real-time audio analysis for musicians and recording engineers. It enables portable, precision audio measurement and visualization for tasks like room or speaker tuning.
Apps Like Octave RTA for iPhone and iPad
Analyze audio in real time
Analyze audio in real time with and FFT measurements. Visualize frequency response and adjust settings for room or speaker tuning. Export measurement data for further analysis.
Octave RTA screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.
Spectrum Analyzer RTA
ONYX 3
Real-time audio analysis for sound.
The app provides real-time audio analysis for musicians and recording engineers. It offers octave band analysis, FFT plots, and a spectrograph for sound visualization and measurement.
Audio spectrum analyzer EQ Rta
Marina Polyanskaya
Analyze and visualize frequency
Analyze in real time with octave band and FFT measurements. Visualize frequency spectra and measure sound levels. Export data and compare measurements across sessions.
Audio Spectrum Analyzer dB RTA
Marina Polyanskaya
Analyze and visualize frequencies
Analyze frequencies with a real-time display. Adjust and visualize sound levels across different frequency ranges. Export analysis data and compare signals for accuracy. Calibrate equipment for optimal performance.
AUDIIO - RTA Analyzer
BetaMatters Limited
Analyze audio in real time
Analyze audio in real time with RTA bar and line graphs, FFT, and spectrogram views. Display peak and current dB levels. Choose linear or logarithmic scales. Adjust octave settings and access a sleek, functional interface.
Audio RTA
DEXUS Pawel Krzywdzinski
Analyze frequency response
Analyze signals with real-time octave RTA. Display frequency response using RMS values across full, 1/3, 1/6, and 1/12 bands. Measure SPL in dBFS. Support FFT with adjustable window sizes. Sample at 44.1kHz, 48kHz, or 96kHz.
Audio Spectrum Analyzer Pro
Vlad Polyanskiy
Analyze and display FFT plots
Analyze in real time with octave band and FFT plots. Display sound levels in decibels and noise ratings. Choose linear or logarithmic scales. Adjust window functions and track maximum values.
Audio / Spectrum Analyzer
Loop-Sessions.LLC.
Analyze and display waveform
Real-time analysis displays waveform and amplitude simultaneously. Users can switch between portrait and landscape modes. Options to configure waveform and display. Adjustable FFT size and window function for precise frequency analysis.
Decibel Meter Sound Detector
Ashraf Thoppukadavil
Track noise levels in real time
Measure levels in decibels using the device’s microphone. Display real-time audio frequency and dB readings. Apply filters for specific frequency and dB ranges. Share measurements via Messages, Email, WhatsApp, Notes, and other apps.
AudioTools, dB, Sound & Audio
Andrew Smith
Record , analyze , test speakers
AudioTools offers SPL measurement, RTA analysis, FFT visualization, and speaker polarity testing. Includes a generator, scope, CLF viewer, and recorder. Allows adding optional modules for advanced acoustic analysis and customization.
TonalEnergy Tuner & Metronome
TonalEnergy, Inc
Practice with real-time feedback and tuning
Offers tuning for brass, woodwind, stringed instruments, and guitars. Includes a , piano keyboard, and sound analysis. Provides feedback on pitch and timing during practice sessions.
Decibel X:dB Sound Level Meter
SkyPaw Co., Limited
Measure sound pressure levels precisely and easily.
The app transforms an iOS device into a sound level meter, measuring sound pressure levels. It offers features like Apple Watch support, Health app integration, and frequency analysis tools.
dB Meter & Spectrum Analyzer
Vlad Polyanskiy
Measure sound levels and analyze frequencies
Measure sound levels with a precision instrument featuring a . Calibrate against professional dB meters. Log noise data and set decibel thresholds. Display real-time sound level readings and frequency analysis.
Sound Spectrum Analysis
Dmitriy Kharutskiy
Analyze waves in real time
Analyze spectra in real time using a microphone. Display waveforms and FFT data with adjustable frequency scales. Measure noise levels for approximate readings. Adjust FFT size for varying frequency accuracy.
Reverse Audio
Nobutaka Yuasa
Record and play it reversed
Record using the device’s microphone and play it back forwards or reversed with a tap. Adjust playback speed from 0.5x to 2.0x and modify pitch by half tones across two octaves.
Smaart RTA
Rational Acoustics LLC
Analyze sound and visualize frequency
Monitor sound levels with a crystal clear SPL meter. Analyze audio in real time using a spectrograph. Access professional tools like Real Time Analyzer for accurate measurements and adjustments.
RTA Audio
New Ball s.r.o.
Record and analyze frequencies in real time
Realtime analyzer processes live input with Fast Fourier Transform and window functions. Record for offline analysis. Visualizer module displays frequency data from recorded files. Export analysis results and files.
Audio Analyzer
DEXUS Pawel Krzywdzinski
Analyze signals in real time
Analyze signals with real-time spectrogram, spectrum, and oscilloscope visualizations. Identify frequencies and measure response of equipment. Detect phonetic elements in speech and visualize animal calls. Check singer’s formant for vocal analysis.
Tunable – Tuner & Metronome
Seth Sandler
Practice music with tuners and metronomes
Track playing habits and provide feedback to improve performance. Use a chromatic , tone and chord generator, , and recorder. Practice ear training, rhythm, timing, and dynamics. Sync with Apple Health for progress tracking.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.