Best R128X Loudness Measuring Tool Apps

250+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated September 2026

Finding the right r128x loudness measuring tool 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 R128X Loudness Measuring Tool Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1NIOSH Sound Level MeterNIOSH Sound Level MeterFree4.7★ (17K)NoNoSep 2026
2Decibel : dB sound level meterDecibel : dB sound level meterFree4.6★ (36K)NoYesSep 2026
3R128x Loudness Measuring ToolR128x Loudness Measuring Tool$9.99NoNoMay 2026
4Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.6★ (162K)NoYesSep 2026
5Youlean Loudness Meter LiteYoulean Loudness Meter LiteFree3.9★ (18)NoYesSep 2026
6Decibel: Sound Level MeterDecibel: Sound Level MeterFree was $2.995.0★ (5)NoYesSep 2026
7Decibel Meter - Noise AnalyzerDecibel Meter - Noise AnalyzerFreeYesYesSep 2026
8dB Decibel Meter - sound level measurement tooldB Decibel Meter - sound level measurement tool$1.994.5★ (241)NoNoAug 2026

Top Picks for R128X Loudness Measuring Tool

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
Decibel : dB sound level meter#2

Decibel : dB sound level meter by Vlad Polyanskiy

Audio noise Spectrum Analyzer
Strong Contender
🔧 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
  • 📊 Provides detailed measurements

Room to Improve

  • 💰 Aggressive upselling tactics
  • 🔒 Privacy concerns around data collection
  • 🕹️ Confusing free vs paid options
  • 🔁 Recurring subscription issues
  • 🔢 Inconsistent/inaccurate readings

More R128X Loudness Measuring Tool apps to explore

FAQ about R128X Loudness Measuring Tool

What are the best r128x loudness measuring tool apps for iPhone?
NIOSH Sound Level Meter tops our r128x loudness measuring tool apps ranking as of September 2026, with a 4.7-star average from 17K App Store ratings, and it's free to download.
Yes — 18 of the top r128x loudness measuring tool apps we rank are free to download, including NIOSH Sound Level Meter and Decibel : dB sound level meter.
NIOSH Sound Level Meter has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ r128x loudness measuring tool apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a professional sound level meter and noise dosimeter, allowing you to measure ambient noise levels and assess noise exposure. It provides key metrics like LAeq, TWA, Max, and Peak levels, as well as noise dose calculations according to NIOSH and OSHA standards.
The app has been tested and validated for accuracy, with a tolerance of ± 2 dBA, according to standards in a reverberant chamber at the NIOSH acoustics lab. When used with an external microphone, it meets Type 2 requirements of the IEC 61672:3 SLM standard.