Best How Loud Apps

250+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated November 2026

Whether you're new to how loud 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 How Loud Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1HowLoud – Decibel MeterHowLoud – Decibel MeterFree5.0★ (1)NoYesOct 2026
2Decibel : dB sound level meterDecibel : dB sound level meterFree4.6★ (36K)NoYesNov 2026
3NIOSH Sound Level MeterNIOSH Sound Level MeterFree4.7★ (17K)NoNoNov 2026
4Hearing Decibel ProHearing Decibel ProFree—YesYesJul 2026
5Decibel Meter dB (Sound Meter)Decibel Meter dB (Sound Meter)Free4.4★ (1.3K)YesYesNov 2026
6Din: Decibel & Sound MeterDin: Decibel & Sound MeterFree—NoNoNov 2026
7Impulse Noise Decibel MeterImpulse Noise Decibel MeterFree——NoJul 2026
8Scream dB: Voice Volume MeterScream dB: Voice Volume MeterFree2.0★ (1)YesNoNov 2026

Top Picks for How Loud

HowLoud – Decibel Meter#1

HowLoud – Decibel Meter by Nadzeya Yashchuk

Sound level meter · dB · PDF
Editor's Choice
🔧 Utilities
5.0(1 ratings)
FreeIn-App Purchases
HowLoud – Decibel Meter screenshot 1
HowLoud – Decibel Meter screenshot 2
HowLoud – Decibel Meter screenshot 3
HowLoud – Decibel Meter screenshot 4
HowLoud – Decibel Meter screenshot 5
HowLoud – Decibel Meter screenshot 6

Measure ambient sound levels with this decibel meter. Document noise patterns with notes and timestamps, and export detailed PDF reports. Keep all your measurements private on your device.

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
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 How Loud apps to explore

FAQ about How Loud

What are the best how loud apps for iPhone?
HowLoud – Decibel Meter tops our how loud apps ranking as of November 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 19 of the top how loud apps we rank are free to download, including HowLoud – Decibel Meter and Decibel : dB sound level meter.
HowLoud – Decibel Meter has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ how loud apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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