Best Frequensee Apps

123+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated May 2026

Finding the right frequensee app can be overwhelming with so many options. We've analyzed 123+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Frequensee

FrequenSee - Spectrum Analyzer#1

FrequenSee - Spectrum Analyzer by Daniel Bach

Visualizing Sound in Motion
Editor's Choice
🎡 Music
3.1(10 ratings)
$2.99
FrequenSee - Spectrum Analyzer screenshot 1
FrequenSee - Spectrum Analyzer screenshot 2
FrequenSee - Spectrum Analyzer screenshot 3

Visualize sound in motion with a highly responsive audio spectrum analyzer. It offers precise real-time analysis of music, voice, and environmental sounds, making it easier to track frequency and amplitude movements. Ideal for professionals and music enthusiasts looking to explore sound in a new way.

Frequency: Sound Generator#2

Frequency: Sound Generator by Lucija Jaksic

Strong Contender
πŸ”§ Utilities
4.7😊(340 ratings)
FreeAds
Frequency: Sound Generator screenshot 1
Frequency: Sound Generator screenshot 2
Frequency: Sound Generator screenshot 3

Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.

What We Love

  • πŸ‘ Simple and easy to use interface
  • 🎡 Accurate frequency generation
  • πŸ’° Free application
  • 🧘 Helpful for meditation and stress relief

Room to Improve

  • πŸ“’ Intrusive and inappropriate advertisements
  • πŸ”Š Potential audio damage to speakers/hearing
  • πŸ”’ Privacy concerns and data collection issues
Audio Spectrum Analyzer Pro#3

Audio Spectrum Analyzer Pro by Vlad Polyanskiy

Sound Frequency Analysis
Worth Considering
🎡 Music
4.4😐(236 ratings)
FreeAdsIn-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

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

Room to Improve

  • πŸ’Έ Aggressive subscription/paywall nags
  • πŸ”„ Frequent iOS compatibility issues after updates
  • πŸ“‰ Features moved behind paywall in recent updates

More Frequensee apps to explore

4
Decibel : dB sound level meter
Decibel : dB sound level meter
Decibel : dB sound level meter
Audio noise Spectrum Analyzer
Free

Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.

Real-time decibel (dB) sound level monitoringIntegrated Spectrum Analyzer (FFT, spectrogram)Sleep tracking with sound recognition
πŸ”§ Utilities
(36K)
freemium
5
Audio / Spectrum Analyzer
Audio / Spectrum Analyzer
Audio / Spectrum Analyzer
RTA (FFT / Octave Analysis)
Free
$10.99 | 100% OFF

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.

Simultaneous waveform and spectrum displayConfigurable display layoutsSelectable FFT size and averaging
🎡 Music
(129)
free with in-app purchases
6
Frequency Sound Generator App
Frequency Sound Generator App
Frequency Sound Generator App
High Pitch Sound Generator
Free

Generate sound frequencies from 1Hz to 25,000Hz with a simple interface. Features include wave visualization, adjustable sensitivity, and multiple waveform options. Use it for hearing tests, pet training, or as a prank tool.

Frequency range 1Hz to 25,000HzWave visualizationAdjustable sensitivity
πŸ”§ Utilities
(4.8K)
subscription
7
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Frequency Spectrum Analyzer
Free

This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.

Precise sound pressure level measurementFrequency spectrum analysis (FFT, BAR graphs)Historical data recording and export
πŸ”§ Utilities
(156K)
free with in-app purchases
8
High Frequency Tones
High Frequency Tones
High Frequency Tones
Generate any frequency
Free

Generate sound waves across a wide frequency range to test hearing limits. Explore potential uses like deterring pests or competing with friends to see who can hear higher pitches. An optional premium upgrade removes ads and unlocks additional waveform options.

Generate sound waves up to 20,000 HzTest human hearing limitsDog whistle functionality
πŸ”§ Utilities
(595)
free with in-app purchases
9
Frequency Generator: Tone & Hz
Frequency Generator: Tone & Hz
Frequency Generator: Tone & Hz
Audio Waves: Spectrum Analyzer
Free

Generate sound waves from 1Hz to 40000Hz with various waveforms. Analyze audio frequencies, test hearing, and use for relaxation or speaker cleaning. Offers a sleep timer for peaceful rest.

Multiple waveform generation (Sine, Triangle, Sawtooth, Square)Real-time frequency and sound level analysisHearing test and monitoring
🎡 Music
(66)
freemium
10
High Frequency Sounds
High Frequency Sounds
High Frequency Sounds
by Leafgreen
Free

Explore a range of high-frequency sounds, generated by rapid sound wave vibrations. This app can be used to test hearing abilities, as sensitivity to high pitches often decreases with age. Discover how well you or others can perceive these distinct noises.

Listen to high frequency soundsTest hearing abilitiesUnderstand sound wave frequencies
🎬 Entertainment
(33)
free
11
RTA Audio
RTA Audio
RTA Audio
by New Ball s.r.o.
Free

Analyze audio in real-time with detailed frequency spectrum and waveform visualizations. Record and export your audio analysis results, including spectrograms and frequency tables, for sharing or archiving.

Real-time audio analysis (FFT)Recording and offline processingSpectrogram and waveform visualization
🎡 Music
(31)
free with in-app purchases
12
Frequency Analyzer
Frequency Analyzer
Frequency Analyzer
Audio Spectrum, Spectroid, dB
Free

Transform your device into a professional audio analysis tool with advanced FFT analysis, SPL monitoring, and detailed visualizations. Record, analyze, and export audio data with precision calibration and multiple weighting filters.

Real-time FFT analysisCalibrated SPL measurements32-bit float audio recording
πŸ”§ Utilities
(97)
free with in-app purchases
13
Decibel Meter Ultra
Decibel Meter Ultra
Decibel Meter Ultra
Noise Level Frequency Analyzer
Free

Measure, record, and analyze sound levels in your environment. This app offers precision metering, noise elimination tools, hearing protection features, and home audio calibration. It provides detailed reports and can be used with device microphones or external ones.

Precision sound level meteringNoise logging and reportingHearing protection dosimeter
πŸ”§ Utilities
(2.3K)
free with in-app purchases
14
Decibel : dB Noise Level Meter
Decibel : dB Noise Level Meter
Decibel : dB Noise Level Meter
Audio Sound Frequency Analyzer
Free

Measure, analyze, and protect your hearing with this comprehensive sound level meter. It offers real-time decibel readings, noise exposure monitoring, and tools for audio exploration like frequency generation and speaker cleaning.

Real-time sound level measurement (dB)Noise exposure monitoring (Dosimeter)Interactive recording and visualization
πŸ”§ Utilities
(250)
free with in-app purchases
15
Decibel Meter - Sound Analyzer
Decibel Meter - Sound Analyzer
Decibel Meter - Sound Analyzer
Measure noise frequency level
Free

This tool transforms your iPhone into a professional sound level meter, measuring decibels and analyzing sound frequencies. It helps identify harmful noise levels to protect your hearing and health, offering detailed insights and measurement history.

Professional sound level meterSound frequency analysisNoise dosimeter with standards
πŸ”§ Utilities
(36)
freemium
16
Decibel Meter-measure db level
Decibel Meter-measure db level
Decibel Meter-measure db level
Frequency Spectrum Analyzer
Free

Transform your phone into a professional-grade decibel meter for real-time noise detection. Features advanced algorithms, noise visualization, and recording capabilities for comprehensive sound analysis.

Military-grade algorithmProfessional GB weighted detectionNoise recording
πŸ”§ Utilities
(906)
free with in-app purchases
17
FFTWave
FFTWave
FFTWave
by Eisaku Nozu
Free

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.

Microphone waveform displaySpectrum analysis via Fourier transformFrequency characteristic checking
πŸ”§ Utilities
(15)
free
18
Sound Oscilloscope
Sound Oscilloscope
Sound Oscilloscope
Sound Wave and Spectrum Viewer
Free

Visualize sound waves and analyze their frequency spectrum. This utility displays the waveform of various sounds, from your voice to musical instruments, and reveals their overtone structure. Explore the sonic characteristics of your environment with this straightforward tool.

Shows sound waveformShows sound spectrumShows sound power level
πŸ”§ Utilities
(24)
free
19
Frequency Generator (Sound)
Frequency Generator (Sound)
Frequency Generator (Sound)
by NETIGEN KLUZOWICZ SPOLKA JAWNA
Free

Generate various sound waves, from sine to triangle, with adjustable frequencies and volumes. Test speakers, tune instruments, or create multi-oscillator soundscapes. Customize your audio experience with a range of settings and themes.

Generate sine, square, sawtooth, or triangle sound wavesAdjust frequency from 1Hz to 22000HzControl volume and balance (left/right)
🎡 Music
(3)
free with in-app purchases
20
AnaHertz - Frequency Analysis
AnaHertz - Frequency Analysis
AnaHertz - Frequency Analysis
Accelerometer & Gyroscope
Free

This app provides access to your device's accelerometer and gyroscope, allowing you to capture and analyze linear acceleration and angular velocity. It offers dynamic frequency spectrum analysis and customizable sampling options. Data and analysis can be exported via email.

Accelerometer and gyroscope data captureLinear acceleration and angular velocity analysisCombined and individual data plots
πŸ” Reference
(7)
free with in-app purchases

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