Comparison

Decibel Meter · Sound Analyzer vs M2Cloud Diagnostic

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

Head to head
About

Decibel Meter · Sound Analyzer

Measure ambient noise levels and sound exposure duration in real-time. This app displays acoustic intensity in decibels with detailed visual reports and supports photo/video overlays with noise data. Protect your health from noise pollution.

Highlights
  • Real-time decibel meter
  • MIN, AVG, MAX sound level display
  • Noise dosimeter (NIOSH/OSHA compliant)
  • Photo and video with noise overlay
  • Record measurement results
  • Data saving feature
Features
Read full description

Decibel Meter is an app that will help you measure the ambient noise level in real time and the duration of sound exposure of various intensities over a user-defined period of time. The application calculates acoustic intensity in decibels and displays a detailed visual report on the screen of your digital device. For the Decibel Meter to work correctly and detect the noise level, you need to allow access to your device’s microphone. Audio data read by the microphone is displayed in decibels (dB) in a user-friendly style. KEY FEATURES: • Real-time decibel (dB) meter; • Minimum (MIN), average (AVG), maximum (MAX) sound level display; • Fully functional noise dosimeter compliant with NIOSH and OSHA standards; • Photo and video with noise overlay; • Option to stop and record measurement results at any time; • Data saving feature. The app will help you avoid noise pollution and will protect both your health and the health of your family! Please choose from our standard subscription options below: 1-week subscription at $3.99; 1-month subscription at $6.99; 12-month subscription at $9.99. Privacy Policy: https://appliks.com/privacy-policy ​​Terms of Use: https://appliks.com/terms-of-use

About

M2Cloud Diagnostic

Features
Read full description

Initial Release of BLE Diagnostic • Connect to both Bluetooth Low Energy BLE devices • Real-time device scanning and discovery • Comprehensive command interface for device interaction • Secure login system for authorised access • Record and export diagnostic data • Clean, intuitive UI for effortless navigation When the app is logged in, it automatically starts scanning for M2Cloud 2G and 4G IoT BLE & Classic Bluetooth devices. When a compatible device is scanned, it shows up in the list with a "Select" button. "Select" button opens a "Command" page, where a full-screen terminal window opens to communicate with the device.

Screenshots

Decibel Meter · Sound Analyzer4 screens
M2Cloud Diagnostic4 screens

Verdict

The call

The clearest difference is in-app purchases: M2Cloud Diagnostic at none against Decibel Meter · Sound Analyzer's 8. M2Cloud Diagnostic also leads on update cadence (monthly vs every 2 months) and iOS requirement (15.0 vs 18.6). On price, ads and device support 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 Meter · Sound Analyzer sells 8 in-app purchases, starting at $1.99 per 7 days. M2Cloud Diagnostic asks for nothing beyond the download.

UpkeepUpdate frequency

Decibel Meter · Sound Analyzer ships an update every 2 months, M2Cloud Diagnostic monthly. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 7 level
Decibel Meter · Sound Analyzer versus M2Cloud Diagnostic: the parameters behind the verdict, then further details
ParameterDecibel Meter · Sound AnalyzerM2Cloud Diagnostic
PriceFreeFree
Rating4.7 (1.3K ratings) — better—
Positive reviews78.1% of reviews—
Number of ratings1.3K — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.0 — better
Further details — not scored
Size41 MB22 MB
Age rating4+4+
DeveloperAppLiks Sp. z O.O.M2Cloud LLP

Bugs and requests

Decibel Meter · Sound Analyzer

Reported bugs

2 issues
  • Microphone issues
  • Subscription paywall

Requested features

1 request
  • Make more apps like this one

M2Cloud Diagnostic

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Decibel Meter · Sound Analyzer

Subscriptions8
  • Weekly Access$1.997 Days
  • Weekly pro access$3.997 Days
  • Sound Level Meter (dB) PRO3 Days trial$3.997 Days
Show 5 more
  • Monthly pro access$6.991 Month
  • Yearly Access$6.991 Year
  • Decibel Meter & Dosimeter PRO3 Days trial$6.991 Month
  • Sound Meter & Dosimeter PRO3 Days trial$12.991 Year
  • Yearly pro access$12.991 Year
None

M2Cloud Diagnostic

No in-app purchases

Questions

Is Decibel Meter · Sound Analyzer free?
Decibel Meter · Sound Analyzer is free to download, with in-app purchases available.
Is M2Cloud Diagnostic free?
M2Cloud Diagnostic is free to download, with no in-app purchases.
Do Decibel Meter · Sound Analyzer or M2Cloud Diagnostic have ads?
Neither Decibel Meter · Sound Analyzer nor M2Cloud Diagnostic shows ads.
Which is updated more often, Decibel Meter · Sound Analyzer or M2Cloud Diagnostic?
Decibel Meter · Sound Analyzer ships an update every 2 months, and M2Cloud Diagnostic monthly. Most recently, Decibel Meter · Sound Analyzer was updated on October 19, 2026 and M2Cloud Diagnostic on October 13, 2026.

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