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Best Decibel Counting Apps

228+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated July 2026

Decibel is the household name in decibel counting, but it's far from the only option. We track 228+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Decibel Counting

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 - Accurate dB Meter#2

Decibel - Accurate dB Meter by 祥祎 刘

Strong Contender
🔧 Utilities
3.6😞(470 ratings)
Free
Decibel - Accurate dB Meter screenshot 1
Decibel - Accurate dB Meter screenshot 2
Decibel - Accurate dB Meter screenshot 3
Decibel - Accurate dB Meter screenshot 4
Decibel - Accurate dB Meter screenshot 5

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.

What We Love

  • 👍 Simple and intuitive
  • 💡 Useful for measuring noise levels
  • 🚀 Easy to use
  • 🔍 Provides instant and average readings

Room to Improve

  • 🐛 Inaccurate readings
  • 🔍 Overly sensitive microphone
  • 🔍 Inconsistent measurements
NIOSH Sound Level Meter#3

NIOSH Sound Level Meter by EA LAB d.o.o.

Worth Considering
🔧 Utilities
4.7😊(16K 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 Decibel Counting apps to explore

4
Decibel Meter: Sound dB
Decibel Meter: Sound dB
Decibel Meter: Sound dB
Accurate and convenient
Free

Transform your device into a professional decibel meter to measure and track sound levels in real-time. Save measurements, view history charts, and set custom alerts for excessive noise. Useful for documenting sound exposure or identifying noise sources.

Real-time decibel meterSave and export noise measurementsNoise history charts
🔧 Utilities
(283)
free with in-app purchases
5
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
6
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
7
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
8
Decibel Meter Ultra
Decibel Meter Ultra
Decibel Meter Ultra
Noise Level Frequency Analyzer
Free

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.

Precision sound level meteringNoise logging and reportingHearing protection dosimeter
🔧 Utilities
(2.3K)
free with in-app purchases
9
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Frequency Spectrum Analyzer
Free

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.

Precise sound pressure level measurementFrequency spectrum analysis (FFT, BAR graphs)Historical data recording and export
🔧 Utilities
(156K)
free with in-app purchases
10
Decibel X PRO: dBA Noise Meter
Decibel X PRO: dBA Noise Meter
Decibel X PRO: dBA Noise Meter
Frequency Spectrum Analyzer
$69.99

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.

Professional sound level meterdBA and dBC measurementsFrequency spectrum analysis (FFT, BAR graphs)
🔧 Utilities
(6.9K)
paid
11
SoundLevel: Decibel Reading
SoundLevel: Decibel Reading
SoundLevel: Decibel Reading
by Smudge Apps Ltd
Free

Measure ambient noise levels with calibrated dBA readings that mimic human hearing. Compare current sound levels to familiar benchmarks and review historical data with intuitive graphs. Export your findings for further analysis with optional pro features.

Quick sound level measurementsCalibrated dBA readingsComparison values
🔧 Utilities
(4)
free with in-app purchases
12
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
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
(905)
free with in-app purchases
14
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
(706)
free with in-app purchases
15
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
16
Decibel Meter- dB Noise TT
Decibel Meter- dB Noise TT
Decibel Meter- dB Noise TT
Decibel Noise tool
Free

This utility app measures environmental noise levels using your device's microphone. It helps users monitor sound intensity for hearing protection at home, work, or outdoors.

Measures environmental noise levelsMonitors sound intensityAids in hearing protection
🔧 Utilities
(0)
ad-supported
17
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
(2.6K)
ad-supported
18
Decibel-Noise Testing Artifact
Decibel-Noise Testing Artifact
Decibel-Noise Testing Artifact
Noise Test Tools
Free

This application offers noise detection and measurement capabilities, providing reference data for sound levels anytime, anywhere. It also includes location tagging for detection points and allows for the export of audio files for sharing. While it aims for accuracy, it is intended for private reference and cannot fully replace professional equipment.

Noise detectionReference measurement dataDetection point location
🔍 Reference
(291)
free with in-app purchases
19
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
20
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
(409)
subscription

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