Best Rta Tool Apps

247+ iOS apps curated and reviewed

4.3 avg rating
16 free apps
Updated August 2026

Every iPhone needs a few good rta tool apps. We benchmark 247+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Rta Tool Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decibel : dB sound level meterDecibel : dB sound level meterFree4.6★ (36K)NoYesAug 2026
2AUDIIO - RTA AnalyzerAUDIIO - RTA AnalyzerFree4.3★ (90)YesYesAug 2026
3RTA AudioRTA AudioFree3.6★ (31)NoYesAug 2026
4RTA MobileRTA MobileFree2.1★ (15)NoNoJun 2026
5NIOSH Sound Level MeterNIOSH Sound Level MeterFree4.7★ (17K)NoNoAug 2026
6Audio Spectrum Analyzer dB RTAAudio Spectrum Analyzer dB RTAFree4.5★ (3K)NoYesAug 2026
7Soniclyze: SPL & RTA MeterSoniclyze: SPL & RTA MeterFree5.0★ (1)NoYesAug 2026
8PA TOOLSPA TOOLSFreeNoYesAug 2026

Top Picks for Rta Tool

Decibel : dB sound level meter#1

Decibel : dB sound level meter by Vlad Polyanskiy

Audio noise Spectrum Analyzer
Editor's Choice
🔧 Utilities
4.6😐(36K ratings)
FreeIn-App Purchases
Decibel : dB sound level meter screenshot 1
Decibel : dB sound level meter screenshot 2
Decibel : dB sound level meter screenshot 3
Decibel : dB sound level meter screenshot 4
Decibel : dB sound level meter screenshot 5
Decibel : dB sound level meter screenshot 6

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.

What We Love

  • 👍 Useful for monitoring noise levels
  • 🔍 Accurate for a phone app
  • 🔧 Good for calibrating audio equipment
  • 💡 Helpful for hearing protection

Room to Improve

  • 💰 Aggressive upselling tactics
  • 🔒 Privacy concerns around data collection
  • 🕹️ Confusing free vs paid options
AUDIIO - RTA Analyzer#2

AUDIIO - RTA Analyzer by BetaMatters

Spectrogram, RTA, dB Analyzer
Strong Contender
🎵 Music
4.3(90 ratings)
FreeAdsIn-App Purchases
AUDIIO - RTA Analyzer screenshot 1
AUDIIO - RTA Analyzer screenshot 2
AUDIIO - RTA Analyzer screenshot 3
AUDIIO - RTA Analyzer screenshot 4
AUDIIO - RTA Analyzer screenshot 5

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.

RTA Audio#3

RTA Audio by New Ball s.r.o.

Worth Considering
🎵 Music
3.6(31 ratings)
FreeIn-App Purchases
RTA Audio screenshot 1
RTA Audio screenshot 2
RTA Audio screenshot 3
RTA Audio screenshot 4
RTA Audio screenshot 5

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.

More Rta Tool apps to explore

4
RTA Mobile
RTA Mobile
RTA Mobile
Tools for fleet managers
Free

Access your fleet management dashboard data on the go. This tool is exclusively for existing users of RTA Fleet Management Software. Contact customer support to gain access.

Fleet management dashboard accessMobile data accessExclusive for RTA users
💼 Business
(15)
free
5
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
6
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
7
Soniclyze: SPL & RTA Meter
Soniclyze: SPL & RTA Meter
Soniclyze: SPL & RTA Meter
Noise, room & loudness tools
Free

This app offers professional acoustic measurement tools, including real-time spectrum analysis, sound level metering, and audio file inspection. It provides advanced features for noise monitoring, live sound engineering, and broadcast/podcast analysis, with a free version and an optional Pro upgrade.

Real-time spectrum analysis (RTA)Sound level metering (SPL)Audio file analysis
🔧 Utilities
(1)
freemium
8
PA TOOLS
PA TOOLS
PA TOOLS
Pa Tools
Free

This app assists with stage preparation and PA system tuning. It provides tools for L-Acoustics presets, patcher viewing, and calculating wave lengths and room modes.

L-Acoustics preset guidePatcher viewerWave length calculator
📊 Productivity
(0)
free
9
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
RTA, Acoustics Measurement SPL
$19.99

This professional audio analysis app offers a comprehensive suite of tools for acoustic measurements, including SPL, RTA, and FFT. It calibrates device microphones for accurate results and allows for the addition of powerful optional modules for advanced analysis.

SPL Meter with A/C weightingReal Time Analyzer (RTA)Fast Fourier Transform (FFT) analysis
🎵 Music
(5.1K)
free with in-app purchases
10
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Frequency Spectrum Analyzer
Free

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.

Precise sound pressure level measurementFrequency spectrum analysis (FFT, BAR graphs)Historical data recording and export
🔧 Utilities
(161K)
free with in-app purchases
11
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
12
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
13
Audio spectrum analyzer EQ Rta
Audio spectrum analyzer EQ Rta
Audio spectrum analyzer EQ Rta
Sound frequency, decibel meter
$3.99

This app provides real-time audio analysis and visualization for sound frequency and decibel levels. It's designed for precise audio measurement, suitable for both hobbyists and professionals tuning rooms or speakers.

Octave Band Real-Time AnalyzerFFT PlotSmooth HD Graphics
📊 Productivity
(245)
free
14
AcoustiTools®
AcoustiTools®
AcoustiTools®
Pro AR Audio Analysis Tools
$39.99

This app provides professional-grade audio analysis and diagnostic tools using augmented reality. It helps map sound levels, calculate delay timing, and offers corrective EQ settings for live sound, studios, car audio, and home theater.

Augmented Reality Spatial AnalyzerVolume Mapping and VarianceDelay Timing Calculation
🔧 Utilities
(7)
paid
15
Spectrum Analyzer: Audio RTA
Spectrum Analyzer: Audio RTA
Spectrum Analyzer: Audio RTA
Frequency, FFT & Spectrogram
Free
🔧 Utilities
(0)
16
DM-RTA
DM-RTA
DM-RTA
by AudioControl
Free

This portable signal analyzer offers five essential tools for audio system calibration. It generates test tones and provides real-time analysis of sound spectrum, voltage, polarity, and signal waves. With a built-in battery, it's ideal for on-the-go system tuning.

Real-time analyzer (RTA)VoltmeterPolarity checker
🔧 Utilities
(11)
free
17
Prombot: AI Tool Builder
Prombot: AI Tool Builder
Prombot: AI Tool Builder
Build Custom AI Tools, No Code
Free
📊 Productivity
(0)
18
AcousticPro SPL RTA RT60
AcousticPro SPL RTA RT60
AcousticPro SPL RTA RT60
SPL RTA RT60 PDF reports
Free
🎵 Music
(0)
19
HAA CinemaTools with HAA Link
HAA CinemaTools with HAA Link
HAA CinemaTools with HAA Link
Home Cinema Audio Analysis
Free

This app provides professional-grade sound analysis and calibration tools for home cinema systems. It offers real-time analysis, SPL metering, and speaker polarity testing, with advanced modules for detailed system performance evaluation and automated correction filter generation.

Real-time RTAPrecision SPL meterSpeaker polarity tester
🔧 Utilities
(1)
free with in-app purchases
20
Milwaukee® ONE-KEY™
Milwaukee® ONE-KEY™
Milwaukee® ONE-KEY™
by MilwaukeeTool
Free

This digital platform helps manage tools and equipment by providing an inventory program and tracking capabilities. It allows users to log purchase information, set service reminders, and track tool locations to prevent theft and tampering.

Digital tool inventoryTrack tool locationService reminders
📊 Productivity
(7.7K)
free with in-app purchases

FAQ about Rta Tool

What are the best rta tool apps for iPhone?
Decibel : dB sound level meter tops our rta tool apps ranking as of August 2026, with a 4.6-star average from 36K App Store ratings, and it's free to download.
Yes — 16 of the top rta tool apps we rank are free to download, including Decibel : dB sound level meter and AUDIIO - RTA Analyzer.
Decibel : dB sound level meter has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 247+ rta tool apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Decibel transforms your device into a powerful sound level meter and audio analyzer. It allows you to measure ambient noise in real time, monitor decibel levels, and explore sound frequencies using its integrated Spectrum Analyzer. The app also features sleep tracking with smart sound recognition to identify nighttime disruptions.
Yes, the app supports external microphones. You can calibrate connected microphones directly within the app and create custom profiles for different microphones. This allows for more precise and tailored audio measurements.