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Best apps like FFT

17+ similar apps compared and reviewed

4.2 avg rating
10 free apps
Updated August 2026
FFT
FFT
Andrew Smith
๐Ÿ”ง Utilities
๐ŸŽต Music

FFT is great, but it's not the only option. Explore 17+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to FFT

Audio Spectrum Analyzer Pro#1

Audio Spectrum Analyzer Pro by Vlad Polyanskiy

Sound Frequency Analysis
Editor's Choice
๐ŸŽต Music
4.4๐Ÿ˜(238 ratings)
FreeIn-App Purchases
Audio Spectrum Analyzer Pro screenshot 1
Audio Spectrum Analyzer Pro screenshot 2
Audio Spectrum Analyzer Pro screenshot 3
Audio Spectrum Analyzer Pro screenshot 4
Audio Spectrum Analyzer Pro screenshot 5

Analyze sound frequencies in real-time with this powerful tool. It offers detailed octave band analysis, FFT plots, and various measurement scales. Supports multiple microphones and noise analysis features for accurate audio insights.

What We Love

  • ๐Ÿ‘ Intuitive and easy-to-use interface
  • ๐Ÿ’ฐ Completely free with no ads
  • ๐ŸŽฏ Accurate frequency and spectrum analysis
  • ๐Ÿ“Š Multiple visualization modes (FFT, spectrograph, bar display)

Room to Improve

  • ๐Ÿ’ธ Aggressive subscription/paywall nags
  • ๐Ÿ”„ Frequent iOS compatibility issues after updates
  • ๐Ÿ“‰ Features moved behind paywall in recent updates
iAnalyzer#2

iAnalyzer by ๅนณ ้™ˆ

Strong Contender
๐ŸŽต Music
4.2(72 ratings)
FreeIn-App Purchases
iAnalyzer screenshot 1
iAnalyzer screenshot 2
iAnalyzer screenshot 3
iAnalyzer screenshot 4
iAnalyzer screenshot 5

This professional audio analysis software uses FFT to examine sound signals on iOS devices. It offers real-time spectrum analysis, precise peak frequency computation, and a unique instrument tuner function. Ideal for musicians and sound engineers seeking detailed audio insights.

Audio / Spectrum Analyzer#3

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Spectrogram)
Worth Considering
๐ŸŽต Music
4.6๐Ÿ˜(983 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

  • ๐Ÿ‘ Customizable features
  • โš™๏ธ Accurate measurements
  • ๐Ÿš€ Helpful for troubleshooting
  • ๐Ÿ’ก Useful for ghost hunting

Room to Improve

  • ๐Ÿ› Crashes and freezes
  • ๐Ÿ”‹ High battery and CPU usage
  • ๐Ÿšซ Inappropriate ads/content

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Audio Spectrum Analyzer dB RTA
Audio Spectrum Analyzer dB RTA
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Sound frequency, decibel meter
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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.

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Generate Audio Frequency Waves
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Create pure sine wave audio tones across a wide frequency range. This tool is ideal for tuning instruments, conducting hearing tests, performing science experiments, and testing audio equipment. Easily adjust frequencies and volume, with support for AirPlay devices.

Generate sine wave tonesFrequency range 20Hz - 22,000HzInstrument tuning
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n-Track Tuner
n-Track Tuner
n-Track Tuner
Tune guitar,bass & instruments
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Easily tune a variety of musical instruments using your smartphone's microphone. Offers high precision with advanced audio recognition and multiple visual feedback modes. Supports manual tuning and calibration for custom needs.

High precision tuningSpectrum AnalyzerInstrument selection
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7
Pano Tuner Lite
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Pano Tuner Lite
Guitar, violin, cello & piano
Free

This application listens to your instrument's sound and displays its pitch, allowing for accurate tuning by showing the deviation from the desired note. It offers a wide pitch sensor range and customizable settings for concert-A frequency and sensitivity.

Listens to instrument sound and displays pitchAccurate tuning via offset from desired pitchQuick and sensitive response
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8
้’ข็ดๅทดๅฃซ
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Water Remover - Clean Speaker
Water Remover - Clean Speaker
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Sonic Sound & Liquid remover
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Test your speakers and microphones with specialized sound frequencies. Measure sound in decibels and Hz to assess speaker quality and detect damage. Identify potential microphone issues.

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๐ŸŽต Music
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Oum Kalthoum Radio
Oum Kalthoum Radio
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by Maghreb Arabe Presse
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Listen to a dedicated radio station featuring the music of the legendary Egyptian singer Oum Kalthoum. Enjoy her timeless songs anytime, anywhere.

Oum Kalthoum music streamDedicated radio stationAccessible on iPhone and iPad
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