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Best Fft Analyzer Apps

248+ iOS apps curated and reviewed

4.3 avg rating
16 free apps
Updated November 2026

The best fft analyzer apps on iPhone average 4.3★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.

Compare top Fft Analyzer Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Audio / Spectrum AnalyzerAudio / Spectrum AnalyzerFree4.6★ (1.1K)YesYesNov 2026
2MintFFTMintFFTFree4.7★ (6)NoNoOct 2026
3FFT AnalyzerFFT Analyzer$4.99—NoNoOct 2026
4FNam FFT Spectrogram AnalyzerFNam FFT Spectrogram AnalyzerFree—NoNoOct 2026
5Spectrum Analyzer - Audio FFTSpectrum Analyzer - Audio FFTFree—NoYesSep 2026
6Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.6★ (164K)NoYesNov 2026
7N-Signal / FFT Sound AnalyzerN-Signal / FFT Sound AnalyzerFree5.0★ (2)YesNoOct 2026
8FFTWaveFFTWaveFree4.3★ (16)NoNoOct 2026

Top Picks for Fft 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

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
MintFFT#2

MintFFT by Takahiro Kamatani

Audio spectrum analyzer
Strong Contender
🎵 Music
4.7(6 ratings)
Free
MintFFT screenshot 1
MintFFT screenshot 2
MintFFT screenshot 3

This application provides real-time audio spectrum analysis with clear, smooth visuals. It offers advanced features like peak hold and multiple window functions, all processed locally on your device without ads or data collection.

More Fft Analyzer apps to explore

FAQ about Fft Analyzer

What are the best fft analyzer apps for iPhone?
Audio / Spectrum Analyzer tops our fft analyzer apps ranking as of November 2026, with a 4.6-star average from 1.1K App Store ratings, and it's free to download.
Yes — 16 of the top fft analyzer apps we rank are free to download, including Audio / Spectrum Analyzer and MintFFT.
Audio / Spectrum Analyzer shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 248+ fft analyzer apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.