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Best Decibel Level Apps

248+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated September 2026

If you already know Decibel X, this is the deeper bench. 248+ decibel level apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Decibel Level Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.6★ (161K)NoYesSep 2026
2Decibel : dB sound level meterDecibel : dB sound level meterFree4.6★ (36K)NoYesSep 2026
3Sound Meter (Decibel)Sound Meter (Decibel)Free4.5★ (3.1K)YesNoSep 2026
4NIOSH Sound Level MeterNIOSH Sound Level MeterFree4.7★ (17K)NoNoSep 2026
5Decibel Meter Sound DetectorDecibel Meter Sound DetectorFree4.7★ (54K)NoYesSep 2026
6Decibel Meter: Sound Level dBDecibel Meter: Sound Level dBFree—NoYesJun 2026
7DecibelLab: Sound Level MeterDecibelLab: Sound Level MeterFree—NoYesJul 2026
8Noise Meter - Sound & DecibelNoise Meter - Sound & DecibelFree—YesNoAug 2026

Top Picks for Decibel Level

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😐(161K 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 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.

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
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
Sound Meter (Decibel)#3

Sound Meter (Decibel) by UniCom Technology

Measure the noise level
Worth Considering
🔧 Utilities
4.5😐(3.1K 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

  • 🚀 Works perfectly
  • 👍 Easy to use and free
  • 👍 Good simple UI
  • 👍 Good basic sound level meter
  • 👍 Very easy and simplified display
  • 👍 Super convenient, very useful
  • 👍 Accurate sound measurement

Room to Improve

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

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FAQ about Decibel Level

What are the best decibel level apps for iPhone?
Decibel X:dB Sound Level Meter tops our decibel level apps ranking as of September 2026, with a 4.6-star average from 161K App Store ratings, and it's free to download.
Yes — 20 of the top decibel level apps we rank are free to download, including Decibel X:dB Sound Level Meter and Decibel : dB 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 September 2026.
We track 248+ decibel level apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Decibel X turns your iOS device into a professional sound level meter. It precisely measures the sound pressure level (SPL) around you and offers advanced features like frequency spectrum analysis and historical data management.
Key features include trusted accuracy with pre-calibrated measurements, Apple Watch support, Health App integration, various frequency weighting filters (A, C, Z, ITU-R 468), powerful history data management with export options, dosimeter functions, and real-time FFT and BAR graphs for frequency analysis.

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