Best Sound Analyzer Apps

247+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated October 2026

Every iPhone needs a few good sound analyzer 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 Sound Analyzer Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Audio / Spectrum AnalyzerAudio / Spectrum AnalyzerFree4.6★ (1.1K)YesYesOct 2026
2Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.6★ (164K)NoYesNov 2026
3Smaart RTASmaart RTAFree4.8★ (497)NoYesOct 2026
4Audio Spectrum Analyzer ProAudio Spectrum Analyzer ProFree4.4★ (239)NoYesOct 2026
5Audio Spectrum Analyzer dB RTAAudio Spectrum Analyzer dB RTAFree4.5★ (3K)NoYesOct 2026
6Sound Scope AnalyzerSound Scope AnalyzerFree—YesNoOct 2026
7Sound Analyzer - dB MeterSound Analyzer - dB MeterFree—NoYesMay 2026
8Frequency Analyzer SpectrumFrequency Analyzer SpectrumFree4.5★ (21)NoNoOct 2026

Top Picks for Sound Analyzer

Audio / Spectrum Analyzer#1

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Spectrogram)
Editor's Choice
🎵 Music
4.6😐(1.1K ratings)
FreeAdsIn-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 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.

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
  • 🔒 Security concerns with payment info
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😐(164K 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 tool transforms your device into a professional sound level meter, offering precise measurements of ambient noise. It features advanced calibration, frequency analysis, and data management for various applications, from personal curiosity to professional use.

What We Love

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

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
  • 🤖 Inaccurate readings compared to professional meters
  • 🤔 Confusing interface
Smaart RTA#3

Smaart RTA by Rational Acoustics LLC

RTA, Spectrograph, SPL Meter
Worth Considering
🎵 Music
4.8(497 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.

More Sound Analyzer apps to explore

FAQ about Sound Analyzer

What are the best sound analyzer apps for iPhone?
Audio / Spectrum Analyzer tops our sound analyzer apps ranking as of October 2026, with a 4.6-star average from 1.1K App Store ratings, and it's free to download.
Yes — 18 of the top sound analyzer apps we rank are free to download, including Audio / Spectrum Analyzer and Decibel X:dB Sound Level Meter.
Audio / Spectrum Analyzer shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 247+ sound analyzer apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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