Best Fft Plot Apps

249+ iOS apps curated and reviewed

4.5 avg rating
13 free apps
Updated October 2026

Out of 249+ fft plot apps on iOS, 13 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Fft Plot Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1FFT PlotFFT Plot$9.994.8★ (90)NoNoOct 2026
2Audio / Spectrum AnalyzerAudio / Spectrum AnalyzerFree4.6★ (1.1K)YesYesOct 2026
3FFTWaveFFTWaveFree4.3★ (16)NoNoOct 2026
4SimpleFFTSimpleFFTFree—YesYesOct 2026
5Sound Spectrum AnalysisSound Spectrum AnalysisFree3.6★ (42)NoYesOct 2026
6Image FFTImage FFT$1.99—NoNoJul 2026
7Spectrum Analyzer - Audio FFTSpectrum Analyzer - Audio FFTFree—NoYesSep 2026
8Audio Spectrum Analyzer ProAudio Spectrum Analyzer ProFree4.4★ (239)NoYesOct 2026

Top Picks for Fft Plot

FFT Plot#1

FFT Plot by ONYX Apps

Sound Frequency Analyzer RTA
Editor's Choice
🎵 Music
4.8(90 ratings)
$9.99
FFT Plot screenshot 1

This real-time audio analysis app provides precision sound measurement and visualization. It's ideal for detecting sound issues, room tuning, and speaker calibration, offering detailed frequency analysis for musicians and audio professionals.

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

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
FFTWave#3
4.3(16 ratings)
Free
FFTWave screenshot 1

Visualize sound from your microphone as a waveform and spectrum analysis. Identify frequency characteristics, detect peaks, and analyze howling with pinch-to-zoom gestures. Ideal for sound adjustment and analysis.

More Fft Plot apps to explore

FAQ about Fft Plot

What are the best fft plot apps for iPhone?
FFT Plot tops our fft plot apps ranking as of October 2026, with a 4.8-star average from 90 App Store ratings, and it's priced at $9.99.
Yes — 13 of the top fft plot apps we rank are free to download, including Audio / Spectrum Analyzer and FFTWave.
FFT Plot has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 249+ fft plot apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.