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Best Sound Measure Frequency Apps

246+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated August 2026

Frequency is the household name in sound measure frequency, but it's far from the only option. We track 246+ alternatives and competitors on iOS β€” many free, many higher-rated than you'd expect.

Compare top Sound Measure Frequency Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Frequency: Sound GeneratorFrequency: Sound GeneratorFree4.7β˜… (340)YesNoAug 2026
2Decibel Meter Sound DetectorDecibel Meter Sound DetectorFree4.7β˜… (54K)NoYesAug 2026
3Sound Spectrum AnalysisSound Spectrum AnalysisFree3.6β˜… (41)NoYesAug 2026
4Frequency Detector AnalyzerFrequency Detector AnalyzerFree4.3β˜… (12)NoYesAug 2026
5Frequency AnalyzerFrequency AnalyzerFree4.5β˜… (155)NoYesAug 2026
6Noise Meter - Sound & DecibelNoise Meter - Sound & DecibelFreeβ€”YesNoAug 2026
7Frequency Counter+ Hz FFTFrequency Counter+ Hz FFTFree3.3β˜… (6)YesNoAug 2026
8Frequency Analyzer SpectrumFrequency Analyzer SpectrumFreeβ€”NoNoAug 2026

Top Picks for Sound Measure Frequency

Frequency: Sound Generator#1

Frequency: Sound Generator by Lucija Jaksic

Editor's Choice
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
Decibel Meter Sound Detector#2

Decibel Meter Sound Detector by Ashraf Thoppukadavil

Track noise around you.
Strong Contender
πŸ“Š Productivity
4.7😊(54K ratings)
FreeIn-App Purchases
Decibel Meter Sound Detector screenshot 1
Decibel Meter Sound Detector screenshot 2
Decibel Meter Sound Detector screenshot 3
Decibel Meter Sound Detector screenshot 4

Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.

What We Love

  • πŸ‘ No bloatware
  • πŸ‘ Quite useful
  • πŸ‘ Excellent and useful app
  • πŸ‘ Easy to use

Room to Improve

  • πŸ› Ads block settings
  • πŸ› Inaccurate readings
  • πŸ› Not sensitive at all
Sound Spectrum Analysis#3

Sound Spectrum Analysis by Dmitriy Kharutskiy

Audio Frequency Analyzer (RTA)
Worth Considering
πŸ”§ Utilities
3.6(41 ratings)
FreeIn-App Purchases
Sound Spectrum Analysis screenshot 1
Sound Spectrum Analysis screenshot 2
Sound Spectrum Analysis screenshot 3
Sound Spectrum Analysis screenshot 4
Sound Spectrum Analysis screenshot 5
Sound Spectrum Analysis screenshot 6

Analyze sound spectrums in real-time using your device's microphone. This tool offers detailed frequency and amplitude scales, various window functions, and octave band analysis. It can also function as a noise level meter and allows for data export and saving of measurements.

More Sound Measure Frequency apps to explore

4
Frequency Detector Analyzer
Frequency Detector Analyzer
Frequency Detector Analyzer
Spectrum Analyzer EMF Decibel
Free

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.

Live frequency tunerSpectrogram visualizationAutomatic logging and CSV export
πŸ”§ Utilities
(12)
free with in-app purchases
5
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
(155)
free with in-app purchases
6
Noise Meter - Sound & Decibel
Noise Meter - Sound & Decibel
Noise Meter - Sound & Decibel
Decibel sound level meter
Free
πŸ”§ Utilities
(0)
7
Frequency Counter+ Hz FFT
Frequency Counter+ Hz FFT
Frequency Counter+ Hz FFT
Tuner Β· RPM Β· 50/60Hz Meter
Free

This app transforms your iPhone into a powerful audio analyzer. It offers four distinct modes to measure sound frequencies, tune instruments, analyze motor speeds, and check mains stability. Advanced features include measurement history, comparison tools, and CSV export.

Dominant frequency measurement (Hz)Instrument tuning with note and pitch displayMotor RPM analysis
πŸ”§ Utilities
(6)
ad-supported
8
Frequency Analyzer Spectrum
Frequency Analyzer Spectrum
Frequency Analyzer Spectrum
Audio Spectrum Analyzer Hz
Free
🌟 Lifestyle
(0)
9
Decibel Meter: dB Sound Meters
Decibel Meter: dB Sound Meters
Decibel Meter: dB Sound Meters
dB Sound Test and Noise Meter
Free

Transform your phone into a professional sound level meter to measure decibel and hertz levels in real-time. Track environmental noise, set custom alerts for safe sound thresholds, and log data for later review. Features include graphical analysis and calibration options for accuracy.

Real-time sound level measurementGraphical and frequency analysisCustomizable sound alerts
πŸ”§ Utilities
(52)
free with in-app purchases
10
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
11
VisiWave
VisiWave
VisiWave
See the frequencies around you
Free

Visualize sound waves in real-time by detecting and displaying their frequencies in Hertz. Experience an augmented reality view of the audio environment around you.

Detects sound frequenciesVisualizes sound waves in real-timeMeasures in Hertz
πŸ”§ Utilities
(8)
free
12
Decibel - sound level meter
Decibel - sound level meter
Decibel - sound level meter
Noize analyzer
Free

Measure and analyze the sound pressure around you. Compare your recordings to a reference chart to understand noise levels, from normal conversations to rocket launches. Unlock advanced features like audio recording saving and active screen history with a subscription.

Measure sound pressureCompare to reference chartAnalyze noise levels
πŸ”§ Utilities
(412)
subscription
13
Sound Meter (dB) - dBShift
Sound Meter (dB) - dBShift
Sound Meter (dB) - dBShift
Quick Sound Analyzer
Free

Analyze and record sound levels in real-time with precise decibel readings. Monitor your auditory environment, set custom alerts for exceeding thresholds, and track historical data for insights into audio patterns. Ideal for professionals and curious individuals alike.

Real-time decibel measurementAudio recording with sound level correlationGraphical sound intensity analysis
🎡 Music
(33)
freemium
14
Noise Meter - Decibel Pro
Noise Meter - Decibel Pro
Noise Meter - Decibel Pro
Noise Level Frequency Analyzer
Free
πŸ”§ Utilities
(0)
15
NIOSH Sound Level Meter
NIOSH Sound Level Meter
NIOSH Sound Level Meter
by EA LAB
Free

This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.

Sound level measurementNoise dosimetryHearing hazard information
πŸ”§ Utilities
(17K)
free
16
Frequency Meter PRO
Frequency Meter PRO
Frequency Meter PRO
Professional tool
$2.99

Analyze audio frequencies in real-time using your device's microphone. Visualize audio levels, noise, and frequency ranges with a spectrum analyzer and oscilloscope. Export data for further analysis.

Real-time audio scanningSpectrum analyzer visualizationFrequency oscilloscope
🎡 Music
(29)
paid
17
Decibel MeterΒ°
Decibel MeterΒ°
Decibel MeterΒ°
dB Checker & Sound Analyzer
Free
πŸ”§ Utilities
(0)
18
Low Frequency Detector
Low Frequency Detector
Low Frequency Detector
by TOON,LLC
$9.99

This tool measures and analyzes low-frequency sounds that are difficult for the human ear to detect. It helps identify potential noise pollution from sources like construction or factories, providing detailed reports on frequency components and sound levels.

Low-frequency power level measurement (<100Hz)Audible band power level measurement (Leq)1/3 octave band analysis (OCT)
πŸ”§ Utilities
(6)
paid
19
Decibel Meter - Sound Detector
Decibel Meter - Sound Detector
Decibel Meter - Sound Detector
Noise and Volume Measurement
Free

This tool transforms your device into a professional sound level meter. It offers accurate, pre-calibrated measurements for various environments, from quiet rooms to loud stadiums. Integrate with health apps to track vibrations and analyze noise levels for personal or professional use.

Professional sound level meterIntegrated spectrum analyzerHearing test and audiogram
πŸ”§ Utilities
(17)
subscription
20
Spectrolite
Spectrolite
Spectrolite
Smooth real-time spectrograms
Free

This app visualizes sound in real-time using various spectrogram types. Explore detailed audio data with intuitive touch controls and adjustable parameters. An optional purchase unlocks advanced measurement tools.

Real-time spectrogram visualizationConstant-Q, linear, and mel frequency scalesFull human hearing frequency range
πŸ”§ Utilities
(51)
free with in-app purchases

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FAQ about Sound Measure Frequency

What are the best sound measure frequency apps for iPhone?
Frequency: Sound Generator tops our sound measure frequency apps ranking as of August 2026, with a 4.7-star average from 340 App Store ratings, and it's free to download.
Yes β€” 18 of the top sound measure frequency apps we rank are free to download, including Frequency: Sound Generator and Decibel Meter Sound Detector.
Frequency: Sound Generator shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 246+ sound measure frequency apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app generates various sound waves, including sine, square, sawtooth, and triangle, with frequencies ranging from 1Hz to 22000Hz. It allows for visual representation of these sound waves through animation and provides control over volume. It can be used for purposes like testing hearing, speakers, headphones, and as an instrument tuner.
You can generate four types of sound waves: sine, square, sawtooth, and triangle. These can be easily selected from the main menu by tapping on the sound wave icon. Each waveform produces a different sound and animated visual representation.