Best Db Meter Frequency Apps

243+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated August 2026

Every iPhone needs a few good db meter frequency apps. We benchmark 243+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Db Meter Frequency Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decibel : dB sound level meterDecibel : dB sound level meterFree4.6★ (36K)NoYesAug 2026
2Decibel: dB Sound MeterDecibel: dB Sound MeterFree3.0★ (2)NoYesAug 2026
3dB Meter: Noise & DecibeldB Meter: Noise & DecibelFree4.9★ (7)NoNoJul 2026
4Frequency AnalyzerFrequency AnalyzerFree4.5★ (151)NoYesAug 2026
5Decibel Meter Noise DB ReaderDecibel Meter Noise DB ReaderFree3.6★ (13)NoYesJul 2026
6dBPocket Digital Decibel MeterdBPocket Digital Decibel MeterFree4.6★ (123)NoYesJul 2026
7Frequency: Sound GeneratorFrequency: Sound GeneratorFree4.7★ (340)YesNoAug 2026
8dB Meter & Spectrum AnalyzerdB Meter & Spectrum Analyzer$29.994.7★ (865)NoYesAug 2026

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)
FreeIn-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: dB Sound Meter#2

Decibel: dB Sound Meter by 芳 王

Noise Exposure & Daily Dose
Strong Contender
🌟 Lifestyle
3.0(2 ratings)
FreeIn-App Purchases
Decibel: dB Sound Meter screenshot 1
Decibel: dB Sound Meter screenshot 2
Decibel: dB Sound Meter screenshot 3
Decibel: dB Sound Meter screenshot 4
Decibel: dB Sound Meter screenshot 5
Decibel: dB Sound Meter screenshot 6

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.

dB Meter: Noise & Decibel#3

dB Meter: Noise & Decibel by Ha Do Thi Thu

Calibrate, record, export dB
Worth Considering
🔧 Utilities
4.9(7 ratings)
Free
dB Meter: Noise & Decibel screenshot 1
dB Meter: Noise & Decibel screenshot 2
dB Meter: Noise & Decibel screenshot 3
dB Meter: Noise & Decibel screenshot 4
dB Meter: Noise & Decibel screenshot 5
dB Meter: Noise & Decibel screenshot 6

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.

More Db Meter Frequency apps to explore

4
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
(151)
free with in-app purchases
5
Decibel Meter Noise DB Reader
Decibel Meter Noise DB Reader
Decibel Meter Noise DB Reader
Frequency Generator & Analyzer
Free

Transform your device into a professional sound analysis tool. Measure real-time noise levels, analyze frequencies, and generate various sound waves for audio testing and instrument tuning. Save and share your acoustic reports.

Real-time decibel monitoringAdvanced frequency analyzerMulti-wave sound generator
🎵 Music
(13)
free with in-app purchases
6
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
7
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
8
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
(865)
free with in-app purchases
9
dB Decibel Meter - Noise Level
dB Decibel Meter - Noise Level
dB Decibel Meter - Noise Level
Sound Level Frequency Analyzer
Free

Measure real-time sound levels with this tool, offering A-weighting and frequency analysis. Record audio, take photos, and capture videos with embedded decibel data for evidence and safety checks. Includes a reference guide for understanding noise ranges.

Real-time SPL measurementA-weighting and frequency weightingAudio recording with decibel data
🔧 Utilities
(4)
free with in-app purchases
10
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
(52)
free with in-app purchases
11
Decibel Meter - dB Noise Level
Decibel Meter - dB Noise Level
Decibel Meter - dB Noise Level
NIOSH & OSHA Measuring Tool
Free

This tool transforms your iPhone into a real-time sound level meter. It measures and displays environmental noise in decibels, helping you monitor sound at home, work, or outdoors. Protect your hearing by detecting loud noises and staying aware of your sound environment.

Real-time decibel measurementDynamic graph displayMin/Max/Average sound levels
🔧 Utilities
(55)
free with in-app purchases
12
Frequency Analyzer: dB Meter
Frequency Analyzer: dB Meter
Frequency Analyzer: dB Meter
Sound Spectrogram, SPL & FFT
Free
🔧 Utilities
(0)
13
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
(907)
free with in-app purchases
14
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
15
Decibel dB – Sound Level Meter
Decibel dB – Sound Level Meter
Decibel dB – Sound Level Meter
NIOSH SLM & Noise Analyzer Pro
Free

Measure ambient noise and sound levels in real-time with this tool. It helps control noise pollution and protect user health by displaying decibel values numerically and graphically. Track exposure over time with NIOSH and OSHA compliant measurements.

Measure noise in decibels (dB)Track MIN, AVG, MAX sound levelsRecord and export measurements
🔧 Utilities
(651)
subscription
16
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
17
dB Meter - Noise Level Meter
dB Meter - Noise Level Meter
dB Meter - Noise Level Meter
Decibel & frequency analyzer
Free
🔧 Utilities
(0)
18
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
(54K)
free with in-app purchases
19
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
20
Frequency Counter+ Hz FFT
Frequency Counter+ Hz FFT
Frequency Counter+ Hz FFT
Tuner · RPM · 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
🔧 Utilities
(3)
ad-supported

FAQ about Db Meter Frequency

What are the best db meter frequency apps for iPhone?
Decibel : dB sound level meter tops our db meter frequency apps ranking as of August 2026, with a 4.6-star average from 36K App Store ratings, and it's free to download.
Yes — 19 of the top db meter frequency apps we rank are free to download, including Decibel : dB sound level meter and Decibel: dB Sound Meter.
Decibel : dB sound level meter has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 243+ db meter frequency apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Decibel transforms your device into a powerful sound level meter and audio analyzer. It allows you to measure ambient noise in real time, monitor decibel levels, and explore sound frequencies using its integrated Spectrum Analyzer. The app also features sleep tracking with smart sound recognition to identify nighttime disruptions.
Yes, the app supports external microphones. You can calibrate connected microphones directly within the app and create custom profiles for different microphones. This allows for more precise and tailored audio measurements.