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Best Loudness Meter Apps

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated October 2026

Whether you're new to loudness meter or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Loudness Meter Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.6★ (164K)NoYesNov 2026
2NIOSH Sound Level MeterNIOSH Sound Level MeterFree4.7★ (17K)NoNoNov 2026
3Decibel: Sound MeterDecibel: Sound MeterFree—NoNoOct 2026
4loudness METER broadcast LUFSloudness METER broadcast LUFSFree5.0★ (1)NoNoOct 2026
5Decibel Meter Sound DetectorDecibel Meter Sound DetectorFree4.7★ (56K)NoYesNov 2026
6Sound Meter (Decibel)Sound Meter (Decibel)Free4.5★ (3.3K)YesNoNov 2026
7Quiet MeterQuiet MeterFree—YesYesSep 2026
8Decibel Meter - dB ComparisonDecibel Meter - dB ComparisonFree—NoNoJun 2026

Top Picks for Loudness Meter

Decibel X:dB Sound Level Meter#1

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

Frequency Spectrum Analyzer
Editor's Choice
🔧 Utilities
4.6😐(164K 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 tool transforms your device into a professional sound level meter, offering precise measurements of ambient noise. It features advanced calibration, frequency analysis, and data management for various applications, from personal curiosity to professional use.

What We Love

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

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
  • 🤖 Inaccurate readings compared to professional meters
  • 🤔 Confusing interface
NIOSH Sound Level Meter#2

NIOSH Sound Level Meter by EA LAB

Strong Contender
🔧 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
  • 🔍 Provides detailed noise data and exposure information

Room to Improve

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

More Loudness Meter apps to explore

FAQ about Loudness Meter

What are the best loudness meter apps for iPhone?
Decibel X:dB Sound Level Meter tops our loudness meter apps ranking as of October 2026, with a 4.6-star average from 164K App Store ratings, and it's free to download.
Yes — 20 of the top loudness meter apps we rank are free to download, including Decibel X:dB Sound Level Meter and NIOSH Sound Level Meter.
Decibel X:dB Sound Level Meter has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ loudness meter apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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