Best Decibel Checking Apps

250+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated September 2026

Looking for free decibel checking apps? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Decibel Checking Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decibel - Accurate dB MeterDecibel - Accurate dB MeterFree3.5★ (475)NoNoAug 2026
2Decibel Meter dB (Sound Meter)Decibel Meter dB (Sound Meter)Free4.4★ (1.3K)YesYesSep 2026
3Decibel Meter°Decibel Meter°FreeYesNoSep 2026
4Decibel CheckDecibel CheckFree1.5★ (2)NoYesAug 2026
5Decibel Meter MasterDecibel Meter MasterFree4.6★ (2.9K)NoNoSep 2026
6Decibel Meter: Noise dB LevelDecibel Meter: Noise dB LevelFreeNoYesJun 2026
7Noise Meter - Decibel ProNoise Meter - Decibel ProFreeNoYesJul 2026
8NoiseCheck: Decibel MeterNoiseCheck: Decibel MeterFreeNoYesJun 2026

Top Picks for Decibel Checking

3.5😞(475 ratings)
Free
Decibel - Accurate dB Meter screenshot 1
Decibel - Accurate dB Meter screenshot 2
Decibel - Accurate dB Meter screenshot 3
Decibel - Accurate dB Meter screenshot 4
Decibel - Accurate dB Meter screenshot 5

Transform your device into a professional sound meter to accurately measure ambient noise levels. Understand how loud your surroundings are, from quiet rooms to loud events, and learn about potential hearing risks.

What We Love

  • 👍 Simple and intuitive
  • 💡 Useful for measuring noise levels
  • 🚀 Easy to use
  • 🔍 Provides instant and average readings

Room to Improve

  • 🐛 Inaccurate readings
  • 🔍 Overly sensitive microphone
  • 🔍 Inconsistent measurements
  • 🔍 Readings too high compared to other apps
Decibel Meter dB (Sound Meter)#2

Decibel Meter dB (Sound Meter) by ZipoApps

Noise Level Analyzer + Measure
Strong Contender
🔧 Utilities
4.4😞(1.3K ratings)
FreeAdsIn-App Purchases
Decibel Meter dB (Sound Meter) screenshot 1
Decibel Meter dB (Sound Meter) screenshot 2
Decibel Meter dB (Sound Meter) screenshot 3
Decibel Meter dB (Sound Meter) screenshot 4
Decibel Meter dB (Sound Meter) screenshot 5
Decibel Meter dB (Sound Meter) screenshot 6

Measure sound volume in real-time with this app. It provides precise decibel readings, a visual timeline of sound fluctuations, and customizable calibration for accurate results. Ideal for monitoring noise levels in various environments.

What We Love

  • 👍 Easy to use
  • 🤩 Accurate measurements
  • 💯 Useful for various applications

Room to Improve

  • 🤑 Expensive subscription
  • 🔒 Difficult to refund
  • 🐛 Inaccurate readings
  • 💤 Doesn't work in airplane mode

More Decibel Checking apps to explore

FAQ about Decibel Checking

What are the best decibel checking apps for iPhone?
Decibel - Accurate dB Meter tops our decibel checking apps ranking as of September 2026, with a 3.5-star average from 475 App Store ratings, and it's free to download.
Yes — 20 of the top decibel checking apps we rank are free to download, including Decibel - Accurate dB Meter and Decibel Meter dB (Sound Meter).
Decibel - Accurate dB Meter has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ decibel checking apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app turns your iPhone, iPad, or iPod touch into a professional and accurate sound meter. It precisely measures the sound pressure level all around you, allowing you to understand how loud your environment is in decibels.
The app accurately measures sound pressure levels in decibels (dB). It provides real-time readings, helping users understand ambient noise intensity and identify potential hearing hazards in various environments.