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Best Db Sound Level Meter Apps

249+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated August 2026

If you already know Decibel, this is the deeper bench. 249+ db sound level meter apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Db Sound Level Meter Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decibel : dB sound level meterDecibel : dB sound level meterFree4.6★ (36K)NoYesAug 2026
2Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.7★ (160K)NoYesAug 2026
3NIOSH Sound Level MeterNIOSH Sound Level MeterFree4.7★ (17K)NoNoAug 2026
4Sound Meter (Decibel)Sound Meter (Decibel)Free4.5★ (3.1K)YesNoAug 2026
5Decibel Meter Sound DetectorDecibel Meter Sound DetectorFree4.7★ (54K)NoYesAug 2026
6dB Sound Level Meter - Noise Volume Measure (Decibels) FreedB Sound Level Meter - Noise Volume Measure (Decibels) FreeFree3.3★ (4)YesNoMay 2026
7db Sound Level Meterdb Sound Level MeterFree—YesNoMay 2026
8Decibel Meter MasterDecibel Meter MasterFree4.6★ (2.9K)NoNoAug 2026

Top Picks for Db Sound Level Meter

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 X:dB Sound Level Meter#2

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

Frequency Spectrum Analyzer
Strong Contender
🔧 Utilities
4.7😐(160K 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
NIOSH Sound Level Meter#3

NIOSH Sound Level Meter by EA LAB

Worth Considering
🔧 Utilities
4.7😊(17K ratings)
Free
NIOSH Sound Level Meter screenshot 1
NIOSH Sound Level Meter screenshot 2
NIOSH Sound Level Meter screenshot 3
NIOSH Sound Level Meter screenshot 4
NIOSH Sound Level Meter screenshot 5

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.

What We Love

  • 🚀 Free and ad-free
  • 👍 Simple and intuitive interface
  • ⚖️ Accurate and reliable measurements
  • 💡 Useful for monitoring noise levels in various environments

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 🔌 Issues with external microphone support
  • 🔋 Can drain battery when running for extended periods

More Db Sound Level Meter apps to explore

4
Sound Meter (Decibel)
Sound Meter (Decibel)
Sound Meter (Decibel)
Measure the noise level
Free

This application measures and displays environmental noise levels in decibels. It offers various visual representations of the data, including gauges, graphs, and numerical readouts. Users can also save their measurement history.

Measures decibel valuesDisplays noise referenceShows min/avg/max dB
🔧 Utilities
(3.1K)
ad-supported
5
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
6
dB Sound Level Meter - Noise Volume Measure (Decibels) Free
dB Sound Level Meter - Noise Volume Measure (Decibels) Free
dB Sound Level Meter - Noise Volume Measure (Decibels) Free
by kasra Meshkin
Free

This utility app measures sound levels in decibels using your device's microphone. It offers an easy-to-use interface for quick and accurate noise volume readings. Ideal for understanding your acoustic environment.

Sound level measurementDecibel readingsEasy to use interface
🔧 Utilities
(4)
ad-supported
7
db Sound Level Meter
db Sound Level Meter
db Sound Level Meter
Measure, Visualize, Understand
Free
🔧 Utilities
(0)
8
Decibel Meter Master
Decibel Meter Master
Decibel Meter Master
Tool for measuring sound level
Free

This tool transforms your iPhone into a professional sound level meter. It accurately measures ambient noise levels, providing real-time decibel readings directly on your device.

Measures sound levelActs as a decibel meterUses iPhone as a meter
🔧 Utilities
(2.9K)
free
9
Decibel Sound Meter | dB Level
Decibel Sound Meter | dB Level
Decibel Sound Meter | dB Level
Decibel Noise meter | dB Level
Free

Measure environmental noise levels and display decibel values in various formats. This smart sound meter app features a tidy graphic design and provides real-time noise detection using your mobile microphone. It offers clear visualizations of sound levels and includes helpful information about decibel measurements.

Measures environmental noise decibel valuesDisplays dB values in various formsTidy graphic design with high frame rate
📊 Productivity
(2)
free with in-app purchases
10
Decibel Meter - Sound Level.
Decibel Meter - Sound Level.
Decibel Meter - Sound Level.
Measure Noise & Frequency
Free
🔧 Utilities
(0)
11
Decibel Meter & dB Sound Level
Decibel Meter & dB Sound Level
Decibel Meter & dB Sound Level
Noise Detector & SPL Analyzer
Free
🔧 Utilities
(0)
12
db Sound Meter | DBM
db Sound Meter | DBM
db Sound Meter | DBM
Stay safe in sound!
$2.99
🎵 Music
(0)
13
dB Meter Pro - Sound Level
dB Meter Pro - Sound Level
dB Meter Pro - Sound Level
Sound level meter & dosimeter
Free
🔧 Utilities
(0)
14
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
(470)
free
15
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
16
Decibel Meter: Noise Sound dB
Decibel Meter: Noise Sound dB
Decibel Meter: Noise Sound dB
Sound detector, noise meter
Free

Measure real-time noise levels with this sound meter app. It offers accurate decibel readings, comparisons to common noise sources, and guidance on safe listening. Take control of your sound environment with clear visual indicators and an intuitive interface.

Real-time sound measurementReference noise level comparisonsEasy-to-read interface
🎵 Music
(1)
free with in-app purchases
17
Decibel Meter・Sound Level dB
Decibel Meter・Sound Level dB
Decibel Meter・Sound Level dB
Frequency Reader・Noise Measure
Free
📊 Productivity
(0)
18
dB Meter: Noise & Sound Level
dB Meter: Noise & Sound Level
dB Meter: Noise & Sound Level
Real-time SPL decibel test
Free
🔧 Utilities
(0)
19
Sound Meter - dB Noise Level
Sound Meter - dB Noise Level
Sound Meter - dB Noise Level
Real-time noise level in dB
Free
🔧 Utilities
(0)
20
Sound Meter - Noise Level dB
Sound Meter - Noise Level dB
Sound Meter - Noise Level dB
Decibel readings made simple
Free
🔧 Utilities
(0)

FAQ about Db Sound Level Meter

What are the best db sound level meter apps for iPhone?
Decibel : dB sound level meter tops our db sound level meter 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 sound level meter apps we rank are free to download, including Decibel : dB sound level meter and Decibel X:dB Sound Level 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 249+ db sound level meter 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.

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