Comparison

Decibel:Sound Meter vs SPL Meter

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

Head to head
About

Decibel:Sound Meter

This application offers real-time decibel measurements with high precision. It provides detailed reports, location data, and the ability to share or export audio measurements. Users can also utilize a real-time decibel camera feature.

Highlights
  • Real-time decibel measurement
  • High precision
  • Location data
  • Decibel camera
  • Measurement reports
  • Data sharing
  • Audio data export
Features
Read full description

Decibel:Sound Meter is an app that can provide real-time decibel data, with the following features: -High precision measurement, real-time measurement -Provide location -Real time decibel camera -Provide detailed measurement reports -One click sharing of measurement data -Support for exporting audio data I Payment: The user deducts the payment through their iTunes account and makes the payment upon confirmation of purchase II Renewal: The user's iTunes account will be charged within 24 hours before expiration, increasing the corresponding subscription period III Cancel Renewal: To cancel the renewal, go to "iTunes Store and App Store" ->click on "App ID" to enter the "Account Settings" page, click on "Subscription", and choose to unsubscribe IV Privacy Agreement: https://docs.qq.com/doc/DVURkSmJKSll0dXBW 5、 Terms of Use: https://docs.qq.com/doc/DVXB3TWtxSUt2Rk1R

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/

Screenshots

Decibel:Sound Meter4 screens
SPL Meter3 screens

Verdict

The call

The clearest difference is rating: SPL Meter at 4.5 against Decibel:Sound Meter's 3.8. SPL Meter also leads on ads (none vs shown). Decibel:Sound Meter's advantage is update cadence (every 11 days vs every 5 weeks) and iOS requirement (13.0 vs 15.0). On price, ratings volume, in-app purchases and monetization model 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. Decibel:Sound Meter sells 3 in-app purchases, starting at $3.99 per 7 days and SPL Meter sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SPL Meter holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 6 and 11 respectively.

UpkeepUpdate frequency

Decibel:Sound Meter ships an update every 11 days, SPL Meter every 5 weeks. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 5 level
Decibel:Sound Meter versus SPL Meter: the parameters behind the verdict, then further details
ParameterDecibel:Sound MeterSPL Meter
PriceFreeFree
Rating3.8 (6 ratings)4.5 (11 ratings) — better
Number of ratings611 — better
Update frequencyEvery 11 days — betterEvery 5 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size33 MB9 MB
Age rating9+4+
DeveloperZHHUALIUON INC金红 李

Customer experience

Decibel:Sound Meter

All ratings6 ratings
Positive66.7%
Neutral16.7%
Negative16.7%

SPL Meter

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%

In-app purchases

3 purchases

Decibel:Sound Meter

Subscriptions3
  • Weekly membership3 Days trial$3.997 Days
  • Monthly membership3 Days trial$4.991 Month
  • Annual membership3 Days trial$14.991 Year
2 purchases

SPL Meter

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

Questions

Is Decibel:Sound Meter free?
Decibel:Sound Meter is free to download, with in-app purchases available.
Is SPL Meter free?
SPL Meter is free to download, with in-app purchases available.
Which has better reviews, Decibel:Sound Meter or SPL Meter?
SPL Meter is rated higher. Decibel:Sound Meter averages 3.8 out of 5 from 6 ratings, while SPL Meter averages 4.5 from 11 ratings.
Do Decibel:Sound Meter or SPL Meter have ads?
Decibel:Sound Meter shows ads; SPL Meter does not.
Which is updated more often, Decibel:Sound Meter or SPL Meter?
Decibel:Sound Meter ships an update every 11 days, and SPL Meter every 5 weeks. Most recently, Decibel:Sound Meter was updated on October 3, 2026 and SPL Meter on October 11, 2026.

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