Best Audio Frequency Analyzer Free Apps

249+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated November 2026

If you already know Frequency Analyzer, this is the deeper bench. 249+ audio frequency analyzer free apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of November 2026.

Compare top Audio Frequency Analyzer Free Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Frequency AnalyzerFrequency AnalyzerFree4.5★ (187)NoYesNov 2026
2Audio / Spectrum AnalyzerAudio / Spectrum AnalyzerFree4.6★ (1.1K)YesYesNov 2026
3Frequency Detector AnalyzerFrequency Detector AnalyzerFree4.4★ (23)NoYesOct 2026
4SpectralScan Audio Analyzer dBSpectralScan Audio Analyzer dBFree4.9★ (20)NoYesOct 2026
5Audio Spectrum Analyzer ProAudio Spectrum Analyzer ProFree4.4★ (239)NoYesOct 2026
6Audio Spectrum Analyzer dB RTAAudio Spectrum Analyzer dB RTAFree4.5★ (3K)NoYesOct 2026
7Frequency Analyzer SpectrumFrequency Analyzer SpectrumFree4.5★ (21)NoNoNov 2026
8Frequency Analyzer: SpectraLabFrequency Analyzer: SpectraLabFree—NoYesOct 2026

Top Picks for Audio Frequency Analyzer Free

Frequency Analyzer#1

Frequency Analyzer by Manfred Kuegel

Sound Decibel Meter, Spectroid
Editor's Choice
🔧 Utilities
4.5(187 ratings)
FreeIn-App Purchases
Frequency Analyzer screenshot 1
Frequency Analyzer screenshot 2
Frequency Analyzer screenshot 3
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Frequency Analyzer screenshot 6

Transform your device into a professional audio analysis tool with real-time FFT, SPL monitoring, and advanced visualization. Record, analyze, and export high-quality audio and video data for various acoustic applications.

Audio / Spectrum Analyzer#2

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Spectrogram)
Strong Contender
🎵 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

Analyze audio signals in real-time with waveform, amplitude spectrum, and spectrogram displays. Offers detailed customization for FFT size, window functions, and frequency weighting. Includes tools for generating basic waveforms and measurement signals.

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
Frequency Detector Analyzer#3

Frequency Detector Analyzer by NEURASYNC

Spectrum Analyzer EMF Decibel
Worth Considering
🔧 Utilities
4.4(23 ratings)
FreeIn-App Purchases
Frequency Detector Analyzer screenshot 1
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Frequency Detector Analyzer screenshot 3

This application transforms your device into a precise sound analysis tool. It offers real-time frequency detection, visualization, and data logging for musicians, engineers, and curious individuals. Gain clarity and accuracy in understanding the soundscape around you.

More Audio Frequency Analyzer Free apps to explore

FAQ about Audio Frequency Analyzer Free

What are the best audio frequency analyzer free apps for iPhone?
Frequency Analyzer tops our audio frequency analyzer free apps ranking as of November 2026, with a 4.5-star average from 187 App Store ratings, and it's free to download.
Frequency Analyzer has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 249+ audio frequency analyzer free apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.