Best Spectrum Analyzer Frequency Apps

235+ iOS apps curated and reviewed

4.0 avg rating
17 free apps
Updated September 2026

Audio / Spectrum Analyzer is the household name in spectrum analyzer frequency, but it's far from the only option. We track 235+ alternatives and competitors on iOS โ€” many free, many higher-rated than you'd expect.

Compare top Spectrum Analyzer Frequency Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Audio / Spectrum AnalyzerAudio / Spectrum AnalyzerFree was $10.994.6โ˜… (1K)YesYesSep 2026
2Frequency Analyzer SpectrumFrequency Analyzer SpectrumFreeโ€”NoNoSep 2026
3Frequency Detector AnalyzerFrequency Detector AnalyzerFree4.5โ˜… (17)NoYesSep 2026
4Audio Spectrum AnalyzerAudio Spectrum Analyzer$3.993.9โ˜… (52)NoNoAug 2026
5Spectrum Lab - Audio AnalyzerSpectrum Lab - Audio AnalyzerFreeโ€”NoNoAug 2026
6Spectrum Analyzer RTASpectrum Analyzer RTA$19.994.3โ˜… (67)NoNoSep 2026
7Audio Spectrum Analyzer ProAudio Spectrum Analyzer ProFree4.4โ˜… (238)NoYesSep 2026
8Micboard SpectrumMicboard SpectrumFreeโ€”NoNoJul 2026

Top Picks for Spectrum Analyzer Frequency

Audio / Spectrum Analyzer#1

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Spectrogram)
Editor's Choice
๐ŸŽต Music
4.6๐Ÿ˜(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

  • 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
  • ๐Ÿ”’ Security concerns with payment info
Frequency Detector Analyzer#3

Frequency Detector Analyzer by NEURASYNC

Spectrum Analyzer EMF Decibel
Worth Considering
๐Ÿ”ง Utilities
4.5(17 ratings)
FreeIn-App Purchases
Frequency Detector Analyzer screenshot 1
Frequency Detector Analyzer screenshot 2
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 Spectrum Analyzer Frequency apps to explore

FAQ about Spectrum Analyzer Frequency

What are the best spectrum analyzer frequency apps for iPhone?
Audio / Spectrum Analyzer tops our spectrum analyzer frequency apps ranking as of September 2026, with a 4.6-star average from 1K App Store ratings, and it's free to download.
Yes โ€” 17 of the top spectrum analyzer frequency apps we rank are free to download, including Audio / Spectrum Analyzer and Frequency Analyzer Spectrum.
Audio / Spectrum Analyzer shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 235+ spectrum analyzer frequency apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app analyzes audio signals from your device's microphone and displays both the audio waveform and its amplitude spectrum in real-time. It uses FFT (Fast Fourier Transform) to calculate the spectrum, allowing for detailed frequency analysis.
Key features include simultaneous waveform and spectrum display, selectable FFT sizes, spectrum averaging for smoother results, various frequency weighting options (Flat, dBA, dBC), octave band analysis, and the ability to generate sine, triangle, square, and saw waveforms, as well as white and pink noise.