Best Ultrasonic Analyzer Apps

248+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated November 2026

From beginner-friendly picks to power-user tools, our ultrasonic analyzer list covers 248+ iPhone apps updated through November 2026. Compare ratings, prices, and screenshots in one place.

Compare top Ultrasonic Analyzer Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.6★ (164K)NoYesNov 2026
2Ultrasonic AnalyzerUltrasonic Analyzer$19.993.9★ (35)NoNoOct 2026
3Audio / Spectrum AnalyzerAudio / Spectrum AnalyzerFree4.6★ (1.1K)YesYesNov 2026
4Frequency AnalyzerFrequency AnalyzerFree4.5★ (187)NoYesNov 2026
5FNam FFT Spectrogram AnalyzerFNam FFT Spectrogram AnalyzerFree—NoNoOct 2026
6SpectralScan Audio Analyzer dBSpectralScan Audio Analyzer dBFree4.9★ (20)NoYesOct 2026
7Spek Spectrogram analyzerSpek Spectrogram analyzerFree5.0★ (2)NoNoOct 2026
8Beijing UltrasonicBeijing UltrasonicFree——NoOct 2026

Top Picks for Ultrasonic Analyzer

Decibel X:dB Sound Level Meter#1

Decibel X:dB Sound Level Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer
Editor's Choice
🔧 Utilities
4.6😐(164K ratings)
FreeIn-App Purchases
Decibel X:dB Sound Level Meter screenshot 1
Decibel X:dB Sound Level Meter screenshot 2
Decibel X:dB Sound Level Meter screenshot 3
Decibel X:dB Sound Level Meter screenshot 4
Decibel X:dB Sound Level Meter screenshot 5
Decibel X:dB Sound Level Meter screenshot 6

This tool transforms your device into a professional sound level meter, offering precise measurements of ambient noise. It features advanced calibration, frequency analysis, and data management for various applications, from personal curiosity to professional use.

What We Love

  • ⭐ Excellent app
  • 👍 Easy to use and understand
  • 🔍 Useful for various applications
  • 🎓 Helpful for hearing protection
  • 🔧 Accurate and reliable

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
  • 🤖 Inaccurate readings compared to professional meters
  • 🤔 Confusing interface
3.9(35 ratings)
$19.99
Ultrasonic Analyzer screenshot 1
Ultrasonic Analyzer screenshot 2
Ultrasonic Analyzer screenshot 3

This app provides real-time audio analysis with visual representations of sound frequencies. It allows users to listen to and analyze ultrasounds, with options for transposed playback and slowed-down analysis of inaudible sounds. It supports various sampling rates and offers detailed charting and measurement tools.

Audio / Spectrum Analyzer#3

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Spectrogram)
Worth Considering
🎵 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

More Ultrasonic Analyzer apps to explore

FAQ about Ultrasonic Analyzer

What are the best ultrasonic analyzer apps for iPhone?
Decibel X:dB Sound Level Meter tops our ultrasonic analyzer apps ranking as of November 2026, with a 4.6-star average from 164K App Store ratings, and it's free to download.
Yes — 17 of the top ultrasonic analyzer apps we rank are free to download, including Decibel X:dB Sound Level Meter and Audio / Spectrum Analyzer.
Decibel X:dB Sound Level Meter has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 248+ ultrasonic analyzer apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.