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Best Decibel Meter Audio Apps

246+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

Every iPhone needs a few good decibel meter audio apps. We benchmark 246+ 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 Decibel Meter Audio Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Noise Meter - Decibel ProNoise Meter - Decibel ProFree—NoYesJul 2026
2Decibel : dB sound level meterDecibel : dB sound level meterFree4.6★ (36K)NoYesAug 2026
3Decibel Meter UltraDecibel Meter UltraFree4.6★ (2.5K)NoYesAug 2026
4Decibel Meter-measure db levelDecibel Meter-measure db levelFree4.3★ (907)YesYesAug 2026
5Decibel: dB Sound MeterDecibel: dB Sound MeterFree4.0★ (6)YesYesAug 2026
6Decibel Meter: dB Sound MetersDecibel Meter: dB Sound MetersFree4.5★ (52)NoYesAug 2026
7Decibel Meter Sound DetectorDecibel Meter Sound DetectorFree4.7★ (54K)NoYesAug 2026
8Decibelmeter - dBDecibelmeter - dBFree4.6★ (712)YesYesAug 2026

Top Picks for Decibel Meter Audio

Decibel : dB sound level meter#2

Decibel : dB sound level meter by Vlad Polyanskiy

Audio noise Spectrum Analyzer
Strong Contender
🔧 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 Meter Ultra#3

Decibel Meter Ultra by Ultrafine

Measure Sound and Noise Levels
Worth Considering
🔧 Utilities
4.6😞(2.5K ratings)
FreeIn-App Purchases
Decibel Meter Ultra screenshot 1
Decibel Meter Ultra screenshot 2
Decibel Meter Ultra screenshot 3
Decibel Meter Ultra screenshot 4
Decibel Meter Ultra screenshot 5
Decibel Meter Ultra screenshot 6

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.

What We Love

  • 🎨 Aesthetically pleasing design
  • 🔍 Useful noise monitoring features
  • 🔍 Ability to collect noise evidence

Room to Improve

  • 💰 Expensive subscription pricing
  • 🚫 Misleading free trial claims
  • 🚫 Difficult to cancel subscription

More Decibel Meter Audio apps to explore

4
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
5
Decibel: dB Sound Meter
Decibel: dB Sound Meter
Decibel: dB Sound Meter
Audio noise Spectrum Analyzer
Free

Measure ambient noise levels with professional accuracy. This app provides real-time decibel readings, spectrum analysis, and the ability to save and share measurements. It helps identify noise pollution and offers customizable warnings to protect your hearing.

Real-time decibel measurementIntegrated Spectrum AnalyzerNoise pollution detection
🔧 Utilities
(6)
free with in-app purchases
6
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
7
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
8
Decibelmeter - dB
Decibelmeter - dB
Decibelmeter - dB
Meet geluid met gemak
Free

Easily measure sound levels with this accurate and intuitive tool. It displays current, maximum, and average decibel values, along with a graphical overview for quick comprehension. This utility is completely free to use.

Simple and easy to useQuick and accurate dB measuringAll-in-one meter
🔧 Utilities
(712)
free with in-app purchases
9
Sound Decibel Meter+
Sound Decibel Meter+
Sound Decibel Meter+
Noise Level & Loudness
Free

Instantly measure sound levels and understand noise pollution with this smart decibel meter. It provides real-time dB readings, safety insights, and context for everyday sounds to help protect your hearing.

Real-time dB readingsLive waveform visualizationNoise interpretation and safety insights
🔧 Utilities
(2)
freemium
10
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
11
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
12
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
(20)
free with in-app purchases
13
Decibel - Accurate dB Meter
Decibel - Accurate dB Meter
Decibel - Accurate dB Meter
by 祥祎 刘
Free

Transform your device into a professional sound meter to accurately measure ambient noise levels. Understand how loud your surroundings are, from quiet rooms to loud events, and learn about potential hearing risks.

Accurate sound pressure level measurementMeasures decibels (dB)Provides real-time sound intensity readings
🔧 Utilities
(475)
free
14
Decibel Sound Level Meter
Decibel Sound Level Meter
Decibel Sound Level Meter
Audio Noise Level Analyzer
Free

This utility app measures ambient sound levels in real-time, providing precise decibel readings. It offers features like location tagging, a decibel camera, and the ability to record, export measurement history, and audio data.

Real-time decibel measurementLocation informationDecibel camera
🔧 Utilities
(50)
free with in-app purchases
15
Decibel: dB Sound Meter
Decibel: dB Sound Meter
Decibel: dB Sound Meter
Noise Exposure & Daily Dose
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
(2)
free with in-app purchases
16
Sound & Decibel Meter - dBScan
Sound & Decibel Meter - dBScan
Sound & Decibel Meter - dBScan
Noise Level Meter & Measure
Free

This application transforms your device into a real-time sound level meter. It accurately measures and analyzes ambient noise in decibels and frequency, helping you monitor your surroundings and maintain safe sound levels.

Real-time noise level measurementDecibel (dB) monitoringFrequency analysis
🔧 Utilities
(1)
free with in-app purchases
17
Decibel dB: Sound Level Meter
Decibel dB: Sound Level Meter
Decibel dB: Sound Level Meter
Decibel Meter, Noise Frequency
Free

Transform your iPhone into a precise noise level meter. This app measures sound levels in real-time, analyzes noise frequencies, and provides comprehensive sound metrics for various professional and personal uses. Its user-friendly interface makes accurate sound measurement accessible to everyone.

Real-time noise monitoringNoise frequency analysisComprehensive sound metrics
🔧 Utilities
(91)
free with in-app purchases
18
Decibel Meter™
Decibel Meter™
Decibel Meter™
by Appios Bilisim
Free
🔧 Utilities
(0)
19
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
🔧 Utilities
(412)
subscription
20
Noise Decibel Meter
Noise Decibel Meter
Noise Decibel Meter
noise decibel meter tool
Free

Measure real-time, maximum, and average decibel levels. Record data from each test and keep the screen on for continuous monitoring. Features a simple and intuitive interface.

Real-time decibel measurementMaximum decibel trackingAverage decibel calculation
🔧 Utilities
(43)
ad-supported

FAQ about Decibel Meter Audio

Are there free decibel meter audio apps for iPhone?
Yes — 20 of the top decibel meter audio apps we rank are free to download, including Noise Meter - Decibel Pro and Decibel : dB sound level meter.
Noise Meter - Decibel Pro has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 246+ decibel meter audio apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.