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Best Noise Meter Free Apps

249+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated October 2026

Finding the right noise meter free apps can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Noise Meter Free Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decibel Meter Sound DetectorDecibel Meter Sound DetectorFree4.7★ (56K)NoYesNov 2026
2Noise Meter - Sound & DecibelNoise Meter - Sound & DecibelFree2.3★ (3)YesNoOct 2026
3NIOSH Sound Level MeterNIOSH Sound Level MeterFree4.7★ (17K)NoNoNov 2026
4Sound Meter (Decibel)Sound Meter (Decibel)Free4.5★ (3.3K)YesNoOct 2026
5Simple Noise MeterSimple Noise MeterFree4.0★ (1)YesYesAug 2026
6Decibel Meter: Noise Level dBDecibel Meter: Noise Level dBFree4.8★ (4)YesYesNov 2026
7Noise Monitor - dB MeterNoise Monitor - dB MeterFree—NoNoOct 2026
8Sound Meter - Decibel Meter !Sound Meter - Decibel Meter !Free3.5★ (2)NoYesMay 2026

Top Picks for Noise Meter Free

Decibel Meter Sound Detector#1

Decibel Meter Sound Detector by Ashraf Thoppukadavil

Track noise around you.
Editor's Choice
📊 Productivity
4.7😊(56K ratings)
FreeIn-App Purchases
Decibel Meter Sound Detector screenshot 1
Decibel Meter Sound Detector screenshot 2
Decibel Meter Sound Detector screenshot 3
Decibel Meter Sound Detector screenshot 4

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.

What We Love

  • 👍 No bloatware
  • 👍 Quite useful
  • 👍 Excellent and useful app
  • 👍 Easy to use
  • 👍 Simple, clear and accurate
  • 👍 Works fine
  • 👍 Precise and accurate
  • 👍 Straightforward interface
  • 👍 Useful for measuring noise levels
  • 👍 Helpful for hearing conservation
  • 👍 Accurate and convenient
  • 👍 Surprisingly accurate
  • 👍 Clean interface
  • 👍 Stunning masterpiece
  • 👍 Needs more than 5 stars

Room to Improve

  • 🐛 Ads block settings
  • 🐛 Inaccurate readings
  • 🐛 Not sensitive at all
  • 🐛 Dangerously inaccurate
  • 🐛 Unable to record continuously
Noise Meter - Sound & Decibel#2

Noise Meter - Sound & Decibel by MINGUK JANG

Decibel sound level meter
Strong Contender
🔧 Utilities
2.3(3 ratings)
FreeAds
Noise Meter - Sound & Decibel screenshot 1
Noise Meter - Sound & Decibel screenshot 2
Noise Meter - Sound & Decibel screenshot 3
Noise Meter - Sound & Decibel screenshot 4

This app transforms your iPhone into a real-time sound level meter, measuring ambient noise in decibels (dB). It features a live gauge, time-based graph, and tracking of minimum, average, and maximum levels. Ideal for quickly assessing noise levels in various environments.

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
  • 🔍 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 Noise Meter Free apps to explore

FAQ about Noise Meter Free

What are the best noise meter free apps for iPhone?
Decibel Meter Sound Detector tops our noise meter free apps ranking as of October 2026, with a 4.7-star average from 56K App Store ratings, and it's free to download.
Decibel Meter Sound Detector has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 249+ noise meter free apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.