Comparison

SPL Meter vs Decibel Meter

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SPL Meter

This tool measures ambient noise levels in real-time, providing decibel readings to help you understand noise intensity and protect your hearing. It features an intuitive gauge, explanations of noise levels, and recording capabilities to track variations across locations and times.

Highlights
  • Real-time decibel measurement
  • Intuitive gauge display
  • Noise level explanations
  • Recording functionality
  • Track noise variations
  • Hearing protection guidance
Features
Read full description

noiseDB is a professional noise measurement tool that helps you monitor ambient noise levels in real-time. Through precise decibel measurements, you can understand the intensity of noise you're exposed to in daily life, protecting your hearing health. The app features an intuitive gauge display, detailed noise level explanations, and recording functionality that allows you to track noise variations across different locations and times. Whether you're checking your work environment, home noise levels, or evaluating sound levels in public spaces, noiseDB is your ideal choice. Understand noise and protect your hearing with noiseDB. This app is using the standard Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Decibel Meter

Read full description

Precise sound level measurement in real time for reliable dB readings. This app delivers accurate dB analysis using advanced audio processing. Ideal for music, environmental noise, studio monitoring, construction sites, events, or everyday use. The app measures sound levels with high accuracy and displays clear, easy-to-read data in real time. Professional measurements powered by modern technology The app uses the latest iOS audio architecture in measurement mode to capture sound levels as accurately as possible without system filtering. The display updates continuously with stable and smooth measurement values. Main features - Real-time sound level measurement in dB - Supports the following measurement types: dB(A), dB(C), and dB SPL - Accurate readings thanks to measurement mode without signal alteration - Recording of measurement data, audio, photos, and video - Photo and video recording with measurement overlay - Simultaneous video recording with unprocessed audio signal - Minimalistic and intuitive interface - Clear peak and average value display - Reference table for quick interpretation - Stable history for long-term monitoring - Optimized for iPhone - Suitable for everyday use, work, and hobby applications Whether in a music studio, at a concert, in the office, in a workshop, or at home, this app helps analyze sound sources, assess volume levels, and document sound measurements. Perfect for audio engineers, musicians, content creators, teachers, craftsmen, event organizers, and anyone who requires accurate sound level readings. Advantages at a glance - High measurement accuracy - Clear and distraction-free display - Energy efficient and stable - Fast and reliable results Important: A reading of 0 dB is technically not achievable. See the reference table in the app for more details. -------------------- Offers in-app purchases and auto-renewable subscriptions to unlock PRO features and premium sound content. Subscription Terms: https://www.clidoapps.com/app/iap/ios/decibelmeterpro Privacy Policy: https://www.clidoapps.com/app/privacy/ios/decibelmeterpro Terms and Conditions / Terms of use: https://www.clidoapps.com/app/tac/ios/decibelmeterpro

Screenshots

SPL Meter3 screens
Decibel Meter3 screens

Verdict

The call

The clearest difference is ads: SPL Meter at none against Decibel Meter's shown. SPL Meter also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SPL Meter sells 2 in-app purchases, starting at $1.99 per 7 days and Decibel Meter sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SPL Meter ships an update every 5 weeks, Decibel Meter every 4 weeks. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 6 level
SPL Meter versus Decibel Meter: the parameters behind the verdict, then further details
ParameterSPL MeterDecibel Meter
PriceFreeFree
Rating4.8 (9 ratings) — better—
Number of ratings9 — better—
Update frequencyEvery 5 weeksEvery 4 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size9 MB14 MB
Age rating4+4+
Developer金红 李Nico Schroeder

In-app purchases

2 purchases

SPL Meter

Subscriptions2
  • Unlimited access$1.997 Days
  • Unlimited access$9.991 Year
4 purchases

Decibel Meter

Subscriptions3
  • One Month Premium$4.991 Month
  • One Week Premium3 Days trial$5.997 Days
  • One Year Premium3 Days trial$19.991 Year
One-time1
  • Lifetime Premium$29.99

Questions

Is SPL Meter free?
SPL Meter is free to download, with in-app purchases available.
Is Decibel Meter free?
Decibel Meter is free to download, with in-app purchases available.
Do SPL Meter or Decibel Meter have ads?
Decibel Meter shows ads; SPL Meter does not.
Which is updated more often, SPL Meter or Decibel Meter?
SPL Meter ships an update every 5 weeks, and Decibel Meter every 4 weeks. Most recently, SPL Meter was updated on September 13, 2026 and Decibel Meter on September 21, 2026.

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