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Best Db Meter Frequency Apps

232+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated July 2026

Every iPhone needs a few good db meter frequency apps. We benchmark 232+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Db Meter Frequency

Decibel : dB sound level meter#1

Decibel : dB sound level meter by Vlad Polyanskiy

Audio noise Spectrum Analyzer
Editor's Choice
🔧 Utilities
4.6😐(36K ratings)
FreeAdsIn-App Purchases
Decibel : dB sound level meter screenshot 1
Decibel : dB sound level meter screenshot 2
Decibel : dB sound level meter screenshot 3
Decibel : dB sound level meter screenshot 4
Decibel : dB sound level meter screenshot 5
Decibel : dB sound level meter screenshot 6

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.

What We Love

  • 👍 Useful for monitoring noise levels
  • 🔍 Accurate for a phone app
  • 🔧 Good for calibrating audio equipment
  • 💡 Helpful for hearing protection

Room to Improve

  • 💰 Aggressive upselling tactics
  • 🔒 Privacy concerns around data collection
  • 🕹️ Confusing free vs paid options
Decibel X:dB Sound Level Meter#2

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

Frequency Spectrum Analyzer
Strong Contender
🔧 Utilities
4.7😐(156K 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 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.

What We Love

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

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
Decibel X PRO: dBA Noise Meter#3

Decibel X PRO: dBA Noise Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer
Worth Considering
🔧 Utilities
4.7😊(6.9K ratings)
$69.99
Decibel X PRO: dBA Noise Meter screenshot 1
Decibel X PRO: dBA Noise Meter screenshot 2
Decibel X PRO: dBA Noise Meter screenshot 3
Decibel X PRO: dBA Noise Meter screenshot 4
Decibel X PRO: dBA Noise Meter screenshot 5
Decibel X PRO: dBA Noise Meter screenshot 6

This application transforms your device into a professional sound level meter, offering precise dBA and dBC measurements. It features advanced analysis tools like frequency spectrum analysis and data export, making it ideal for audio professionals and anyone interested in sound environments.

What We Love

  • 👍 Works well
  • 🚀 Keeps getting better with updates
  • 💡 Useful for monitoring noise levels
  • 💡 Helps protect hearing

Room to Improve

  • 🐛 Data transfer issues between devices
  • 🐛 Crashes and stability issues
  • 🐛 Camera crashes

More Db Meter Frequency apps to explore

4
Decibel - sound level meter
Decibel - sound level meter
Decibel - sound level meter
Spectrum frequency analyzer
Free

Measure and analyze the sound pressure around you with this app. It provides spectrum frequency analysis and allows you to compare your recordings to a reference chart. Save your measurement history for future reference.

Measure sound pressureSpectrum frequency analysisReference chart comparison
🔧 Utilities
(4.5K)
subscription
5
dB Meter & Spectrum Analyzer
dB Meter & Spectrum Analyzer
dB Meter & Spectrum Analyzer
Noise & sound level decibel
$29.99

Measure ambient noise levels with professional-quality accuracy. This app offers a spectrum analyzer, hearing test, and the ability to save and share measurements with location data. It's a powerful, cost-effective tool for personal sound monitoring.

Professional-quality sound level measurementIntegrated spectrum analyzerNoise dosimeter (NIOSH/OSHA)
🔧 Utilities
(858)
free with in-app purchases
6
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
🔧 Utilities
(250)
free with in-app purchases
7
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
🔧 Utilities
(906)
free with in-app purchases
8
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
🔧 Utilities
(97)
free with in-app purchases
9
Decibel Meter - Sound Level dB
Decibel Meter - Sound Level dB
Decibel Meter - Sound Level dB
Audio Noise Frequency Analyzer
Free

Measure ambient noise levels and sound exposure duration in real-time. This app displays acoustic intensity in decibels with detailed visual reports and supports photo/video overlays with noise data. Protect your health from noise pollution.

Real-time decibel meterMIN, AVG, MAX sound level displayNoise dosimeter (NIOSH/OSHA compliant)
🔧 Utilities
(1.2K)
subscription
10
Decibel Meter Sound Detector
Decibel Meter Sound Detector
Decibel Meter Sound Detector
Track noise around you.
Free

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.

Real-time decibel (dB) readingsFrequency weighting (A, B, C, Z)Share measurements via various apps
📊 Productivity
(48K)
free with in-app purchases
11
Frequency: Sound Generator
Frequency: Sound Generator
Frequency: Sound Generator
by Lucija Jaksic
Free

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.

Generate sine, square, sawtooth, triangle wavesAdjustable frequency (1Hz-22000Hz)Animated sound wave visualization
🔧 Utilities
(340)
free with in-app purchases
12
dB Meter: Decibel, SPL, Noise
dB Meter: Decibel, SPL, Noise
dB Meter: Decibel, SPL, Noise
Spectrum, Sound Level & RTA
Free

Instantly measure sound levels with a real-time analog gauge. Analyze noise with average, peak, and time-averaged readings. Features include low-frequency indication and on-device calibration for accuracy. Works offline without internet.

Real-time dB sound level measurementLive min/average/peak readoutLAeq and LCeq time-averaged readings
🔧 Utilities
(1)
free with in-app purchases
13
Frequency Analyzer: dB Meter
Frequency Analyzer: dB Meter
Frequency Analyzer: dB Meter
Sound Spectrogram, SPL & FFT
Free
🔧 Utilities
(0)
14
Decibel Shield - dB Meter
Decibel Shield - dB Meter
Decibel Shield - dB Meter
Measure Noise & Sound Levels
Free

Measure and track sound levels in real-time with this user-friendly decibel meter. Log historical data, integrate with Apple Health, and gain insights into your sound environment. Includes a white noise generator for focused listening.

Real-time decibel monitoringHistorical data trackingApple Health integration
🔧 Utilities
(468)
free with in-app purchases
15
dB Meter: Noise & Decibel
dB Meter: Noise & Decibel
dB Meter: Noise & Decibel
Calibrate, record, export dB
Free

Measure real-time sound levels, monitor noise, and log environmental audio. Features include calibration, threshold alerts, audio recording, and frequency analysis. Ideal for quick checks at home, office, or studio.

Real-time dB meter with live chartCalibration offsetThreshold alerts
🔧 Utilities
(3)
free
16
dBPocket Digital Decibel Meter
dBPocket Digital Decibel Meter
dBPocket Digital Decibel Meter
SPL Meter & Hearing Test
Free

Transform your device into a professional sound level meter to measure ambient noise and audio levels. Analyze sound spectrums, detect environmental noise, and even conduct hearing tests. Capture evidence of noise pollution with photo and video overlays.

Digital sound level meterSound spectrum analyzerEnvironmental noise detection
🔧 Utilities
(123)
subscription
17
Audio Spectrum Analyzer dB RTA
Audio Spectrum Analyzer dB RTA
Audio Spectrum Analyzer dB RTA
Sound frequency, decibel meter
Free

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.

Octave Band Real-Time AnalyzerFFT Plot - Fast Fourier TransformIntegrated Sound Level Meter (dB-A)
🎵 Music
(3K)
free with in-app purchases
18
Noise Guru: Decibel Meter
Noise Guru: Decibel Meter
Noise Guru: Decibel Meter
Sound level meter, audio tools
Free

Measure sound levels with precision to understand your environment and protect your hearing. Identify loud noises, monitor noise pollution, and find quiet spaces for recording. Features include a decibel dosimeter, background noise measurement, and geo-tagged recordings.

Precise sound level metering (SPL)DB Dosimeter for noise exposure trackingBackground noise measurement
🔧 Utilities
(299)
free
19
Decibel: dB Sound Meter
Decibel: dB Sound Meter
Decibel: dB Sound Meter
Dosimeter & Frequency Meter
Free

This app provides precise sound level measurements and audio analysis using professional weighting filters and real-time FFT spectrum analysis. It functions as a dosimeter for workplace safety and allows for easy sharing of dB data overlays on photos.

Professional Frequency Weighting (ITU-R 468, A/B/C/Z)Real-Time FFT Spectrum AnalysisNIOSH & OSHA Standard Dosimeter
🌟 Lifestyle
(1)
free with in-app purchases
20
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
🔧 Utilities
(37)
free with in-app purchases