Best Noise Level Meter Free Apps

250+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated October 2026

Finding the right noise level meter free apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Noise Level Meter Free Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sound Meter (Decibel)Sound Meter (Decibel)Free4.5β˜… (3.3K)YesNoNov 2026
2NIOSH Sound Level MeterNIOSH Sound Level MeterFree4.7β˜… (17K)NoNoNov 2026
3Decibel Meter MasterDecibel Meter MasterFree4.6β˜… (3.2K)NoNoNov 2026
4Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.6β˜… (164K)NoYesNov 2026
5dB Decibel Meter - Noise LeveldB Decibel Meter - Noise LevelFree4.3β˜… (123)YesYesNov 2026
6Decibel Meter: Sound dBDecibel Meter: Sound dBFree4.3β˜… (347)YesYesNov 2026
7Decibel Meter dB (Sound Meter)Decibel Meter dB (Sound Meter)Free4.4β˜… (1.3K)YesYesNov 2026
8i Sound Level Meteri Sound Level MeterFree4.4β˜… (38)YesNoNov 2026

Top Picks for Noise Level Meter Free

Sound Meter (Decibel)#1

Sound Meter (Decibel) by UniCom Technology

Measure the noise level
Editor's Choice
πŸ”§ Utilities
4.5😐(3.3K ratings)
FreeAds
Sound Meter (Decibel) screenshot 1
Sound Meter (Decibel) screenshot 2
Sound Meter (Decibel) screenshot 3
Sound Meter (Decibel) screenshot 4
Sound Meter (Decibel) screenshot 5
Sound Meter (Decibel) screenshot 6

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.

What We Love

  • πŸš€ Works perfectly
  • πŸ‘ Easy to use and free
  • πŸ‘ Good simple UI
  • πŸ‘ Good basic sound level meter
  • πŸ‘ Very easy and simplified display
  • πŸ‘ Super convenient, very useful
  • πŸ‘ Accurate sound measurement

Room to Improve

  • πŸ› Spelling mistake ('quiet' spelled as 'quite')
  • πŸ› Inaccurate readings compared to other apps
  • πŸ› Requires a subscription for basic recording
  • πŸ› Imprecise metering, not a reliable tool
  • πŸ› Doesn't work in split screen
  • πŸ› Poorly documented statistics
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

  • πŸš€ Free and ad-free
  • πŸ‘ Simple and intuitive interface
  • βš–οΈ Accurate and reliable measurements
  • πŸ’‘ Useful for monitoring noise levels in various environments
  • πŸ” Provides detailed noise data and exposure information

Room to Improve

  • πŸ› Occasional bugs and crashes
  • πŸ”Œ Issues with external microphone support
  • πŸ”‹ Can drain battery when running for extended periods
  • πŸ“± Limited iPad optimization
Decibel Meter Master#3

Decibel Meter Master by 燕辉 ε†―

Tool for measuring sound level
Worth Considering
πŸ”§ Utilities
4.6😞(3.2K ratings)
Free
Decibel Meter Master screenshot 1
Decibel Meter Master screenshot 2

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.

What We Love

  • πŸš€ Simple and easy to use
  • πŸ‘ Useful for measuring sound levels
  • πŸ†“ Free app

Room to Improve

  • πŸ› Inaccurate readings
  • πŸ” Questionable security with clipboard access
  • πŸ”§ Doesn't work consistently

More Noise Level Meter Free apps to explore

FAQ about Noise Level Meter Free

What are the best noise level meter free apps for iPhone?
Sound Meter (Decibel) tops our noise level meter free apps ranking as of October 2026, with a 4.5-star average from 3.3K App Store ratings, and it's free to download.
Sound Meter (Decibel) shows ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ noise level meter free apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.