Best Real Time Analyzer Apps

250+ iOS apps curated and reviewed

4.2 avg rating
17 free apps
Updated August 2026

Smaart RTA is the household name in real time analyzer, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Real Time Analyzer Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Smaart RTASmaart RTAFree4.8★ (393)NoYesAug 2026
2Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.6★ (161K)NoYesAug 2026
3Audio Spectrum Analyzer ProAudio Spectrum Analyzer ProFree4.4★ (238)NoYesAug 2026
4Audio Spectrum Analyzer dB RTAAudio Spectrum Analyzer dB RTAFree4.5★ (3K)NoYesAug 2026
5Decibel : dB sound level meterDecibel : dB sound level meterFree4.6★ (36K)NoYesAug 2026
6Audio / Spectrum AnalyzerAudio / Spectrum AnalyzerFree was $10.994.6★ (1K)YesYesAug 2026
7AUDIIO - RTA AnalyzerAUDIIO - RTA AnalyzerFree4.3★ (90)YesYesAug 2026
8RTARTA$4.994.0★ (25)NoYesAug 2026

Top Picks for Real Time Analyzer

Smaart RTA#1

Smaart RTA by Rational Acoustics LLC

RTA, Spectrograph, SPL Meter
Editor's Choice
🎵 Music
4.8(393 ratings)
FreeIn-App Purchases
Smaart RTA screenshot 1
Smaart RTA screenshot 2
Smaart RTA screenshot 3
Smaart RTA screenshot 4
Smaart RTA screenshot 5
Smaart RTA screenshot 6

Analyze audio in real time with professional-grade tools. Visualize frequency content, manage feedback, and monitor sound pressure levels with precision and ease, all from your mobile device.

Decibel X:dB Sound Level Meter#2

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

Frequency Spectrum Analyzer
Strong Contender
🔧 Utilities
4.6😐(161K 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

This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.

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
Audio Spectrum Analyzer Pro#3

Audio Spectrum Analyzer Pro by Vlad Polyanskiy

Sound Frequency Analysis
Worth Considering
🎵 Music
4.4😐(238 ratings)
FreeIn-App Purchases
Audio Spectrum Analyzer Pro screenshot 1
Audio Spectrum Analyzer Pro screenshot 2
Audio Spectrum Analyzer Pro screenshot 3
Audio Spectrum Analyzer Pro screenshot 4
Audio Spectrum Analyzer Pro screenshot 5

Analyze sound frequencies in real-time with this powerful tool. It offers detailed octave band analysis, FFT plots, and various measurement scales. Supports multiple microphones and noise analysis features for accurate audio insights.

What We Love

  • 👍 Intuitive and easy-to-use interface
  • 💰 Completely free with no ads
  • 🎯 Accurate frequency and spectrum analysis
  • 📊 Multiple visualization modes (FFT, spectrograph, bar display)

Room to Improve

  • 💸 Aggressive subscription/paywall nags
  • 🔄 Frequent iOS compatibility issues after updates
  • 📉 Features moved behind paywall in recent updates

More Real Time Analyzer apps to explore

4
Audio Spectrum Analyzer dB RTA
Audio Spectrum Analyzer dB RTA
Audio Spectrum Analyzer dB RTA
Sound frequency, decibel meter
Free

Analyze sound frequencies and decibel levels with this advanced tool. Ideal for tuning audio systems, it offers real-time spectrum analysis and sound metering for various applications.

Octave Band Real-Time AnalyzerFFT Plot - Fast Fourier TransformIntegrated Sound Level Meter (dB-A)
🎵 Music
(3K)
free with in-app purchases
5
Decibel : dB sound level meter
Decibel : dB sound level meter
Decibel : dB sound level meter
Audio noise Spectrum Analyzer
Free

Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.

Real-time decibel (dB) sound level monitoringIntegrated Spectrum Analyzer (FFT, spectrogram)Sleep tracking with sound recognition
🔧 Utilities
(36K)
freemium
6
Audio / Spectrum Analyzer
Audio / Spectrum Analyzer
Audio / Spectrum Analyzer
RTA (FFT / Spectrogram)
Free
$10.99 | 100% OFF

This application analyzes audio input from your microphone, displaying both the waveform and amplitude spectrum in real-time. It offers extensive customization for display, calculation, and signal generation.

Simultaneous waveform and spectrum displayConfigurable display layoutsSelectable FFT size and averaging
🎵 Music
(1K)
free with in-app purchases
7
AUDIIO - RTA Analyzer
AUDIIO - RTA Analyzer
AUDIIO - RTA Analyzer
Spectrogram, RTA, dB Analyzer
Free

Visualize audio in real-time with various data graphs like RTA Bar, FFT, and Spectrogram. Offers full octave and 1/3 octave analysis with linear or logarithmic scales. Displays peak and current dB data in a sleek, functional interface.

Real-time audio analysisRTA Bar / Line GraphFFT and Spectrogram visualization
🎵 Music
(90)
free with in-app purchases
8
RTA
RTA
RTA
Real Time Analyzer
$4.99

Analyze audio frequencies, test speakers, and tune rooms with this professional-grade acoustical analysis tool. It offers octave and 1/3 octave modes, peak hold, and averaging, with automatic microphone compensation for accurate results.

Real-time acoustical analysisOctave and 1/3 Octave modesPeak Hold and Average modes
🎵 Music
(25)
free with in-app purchases
9
BMA Spectrum Analyzer
BMA Spectrum Analyzer
BMA Spectrum Analyzer
Real time spectrum analyzer
Free
🎵 Music
(0)
10
Spectre Analyzer for Logic Pro
Spectre Analyzer for Logic Pro
Spectre Analyzer for Logic Pro
Auv3 Plugin for iOS and macOS
Free

Visualize your audio in real-time with high-resolution FFT analysis. This Audio Unit plugin is compatible with various host apps and utilizes the GPU for efficient, CPU-light processing.

Real-time audio visualizationHigh-resolution FFT analysisGPU-accelerated rendering
🎵 Music
(3)
free
11
RTA Audio
RTA Audio
RTA Audio
by New Ball s.r.o.
Free

Analyze audio in real-time with detailed frequency spectrum and waveform visualizations. Record and export your audio analysis results, including spectrograms and frequency tables, for sharing or archiving.

Real-time audio analysis (FFT)Recording and offline processingSpectrogram and waveform visualization
🎵 Music
(31)
free with in-app purchases
12
Mustika Real Time Operation
Mustika Real Time Operation
Mustika Real Time Operation
by haris setiadi budiman
Free
🔍 Reference
(0)
13
NIOSH Sound Level Meter
NIOSH Sound Level Meter
NIOSH Sound Level Meter
by EA LAB
Free

This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.

Sound level measurementNoise dosimetryHearing hazard information
🔧 Utilities
(17K)
free
14
Frequency Analyzer +
Frequency Analyzer +
Frequency Analyzer +
Audio analysis made easy!
Free
🔧 Utilities
(0)
15
Spectrum Lab - Audio Analyzer
Spectrum Lab - Audio Analyzer
Spectrum Lab - Audio Analyzer
Frequency Spectrum Analyzer
Free
🎵 Music
(0)
16
Audio Spectrum Pro: Analyzer
Audio Spectrum Pro: Analyzer
Audio Spectrum Pro: Analyzer
Spectrum, tuner, RT60 & more
Free
🎵 Music
(0)
17
FFT Analyzer
FFT Analyzer
FFT Analyzer
Professional FFT Analysis
$4.99
🔧 Utilities
(0)
18
Spectrum Analyzer: Spectrogram
Spectrum Analyzer: Spectrogram
Spectrum Analyzer: Spectrogram
Audio frequency visualizer
Free

Visualize audio frequencies with real-time analysis. Features include a sound level meter, multichannel harmonic analysis, and adjustable graphical representations. Gain insights into your sound environment with advanced tools.

Sound level meterMultichannel harmonic analysisAdjustable graphics
🎵 Music
(195)
freemium
19
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 app provides real-time audio analysis for room and speaker tuning. It offers precision measurement and visualization of sound frequencies, suitable for both enthusiasts and professionals. Advanced features are included for accurate spectrum analysis.

Octave Band Real-Time AnalyzerIntegrated Sound Level MeterPrecision audio measurement
📊 Productivity
(5)
paid
20
CreamAudio Analyzer
CreamAudio Analyzer
CreamAudio Analyzer
Pro audio measurement suite
Free
🔧 Utilities
(0)

FAQ about Real Time Analyzer

What are the best real time analyzer apps for iPhone?
Smaart RTA tops our real time analyzer apps ranking as of August 2026, with a 4.8-star average from 393 App Store ratings, and it's free to download.
Yes — 17 of the top real time analyzer apps we rank are free to download, including Smaart RTA and Decibel X:dB Sound Level Meter.
Smaart RTA has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ real time analyzer apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Smaart RTA provides professional-grade audio analysis tools, including a Real Time Analyzer (RTA), a Spectrograph, and an SPL meter, directly on your mobile device. It allows users to visualize frequency content, manage feedback, and monitor sound pressure levels with accuracy comparable to its desktop counterpart.
Key features include a professional RTA graph with customizable averaging and banding, a spectrograph with adjustable thresholds and history, and an SPL meter with standard metrics and exposure percentages. The Pro version unlocks advanced settings like calibrated level plotting and target curves.