Best Audio Spectrum Analyzer Free Apps

248+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated October 2026

With an average user rating of 4.4★, the audio spectrum analyzer free category is one of the App Store's strongest. Browse all 248+ apps we track, sorted so the most loved ones surface first.

Compare top Audio Spectrum Analyzer Free Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Audio / Spectrum AnalyzerAudio / Spectrum AnalyzerFree4.6★ (1.1K)YesYesNov 2026
2Spectrum Lab - Audio AnalyzerSpectrum Lab - Audio AnalyzerFree4.7★ (3)NoNoOct 2026
3Audio Spectrum Analyzer dB RTAAudio Spectrum Analyzer dB RTAFree4.5★ (3K)NoYesOct 2026
4Spectrum Analyzer: Audio RTASpectrum Analyzer: Audio RTAFree3.0★ (2)NoYesOct 2026
5AUDIIO - RTA AnalyzerAUDIIO - RTA AnalyzerFree4.3★ (100)YesYesNov 2026
6BMA Spectrum AnalyzerBMA Spectrum AnalyzerFree4.0★ (2)NoYesOct 2026
7Audio Spectrum Analyzer ProAudio Spectrum Analyzer ProFree4.4★ (239)NoYesOct 2026
8Fun Spectrum AnalyzerFun Spectrum AnalyzerFree—NoYesOct 2026

Top Picks for Audio Spectrum Analyzer Free

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
Spectrum Lab - Audio Analyzer#2

Spectrum Lab - Audio Analyzer by G-United

Frequency Spectrum Analyzer
Strong Contender
🎵 Music
4.7(3 ratings)
Free
Spectrum Lab - Audio Analyzer screenshot 1
Spectrum Lab - Audio Analyzer screenshot 2
Spectrum Lab - Audio Analyzer screenshot 3

This real-time audio spectrum analyzer provides a fast, responsive display to monitor live frequencies from various input sources. It helps analyze music, inspect mixes, and understand sound environments. Designed for simplicity, it requires no manual configuration for immediate use.

Audio Spectrum Analyzer dB RTA#3

Audio Spectrum Analyzer dB RTA by Marina Polyanskaya

Sound frequency, decibel meter
Worth Considering
🎵 Music
4.5😐(3K ratings)
FreeIn-App Purchases
Audio Spectrum Analyzer dB RTA screenshot 1
Audio Spectrum Analyzer dB RTA screenshot 2
Audio Spectrum Analyzer dB RTA screenshot 3

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.

What We Love

  • 🚀 Excellent audio analysis tool
  • 👍 Clean and intuitive interface
  • 💡 Customizable frequency range
  • 🔍 Accurate real-time spectrum visualization

Room to Improve

  • 🐛 Compatibility issues with newer iOS versions
  • 🔁 Constant prompts to upgrade to Pro version
  • 🔌 High battery consumption
  • 📊 Inaccurate frequency tracking in some modes

More Audio Spectrum Analyzer Free apps to explore

FAQ about Audio Spectrum Analyzer Free

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