Comparison

Decibel Meter Noise Detector vs M

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

Head to head
About

Decibel Meter Noise Detector

This tool measures ambient noise levels in decibels (dB) in real-time. It allows users to record audio, capture photos with decibel data, and view historical noise level changes. Reports can be generated and exported for reference.

Highlights
  • Real-time decibel detection
  • Audio recording with peak decibel marking
  • Multimedia evidence collection with watermarks
  • Real-time chart display of noise changes
  • Historical decibel record viewing
  • Data detection report export
Features
Read full description

The decibel tester is a professional noise decibel detection software, also known as a decibel measuring instrument, decibel meter, noise detector, etc. It can help you detect the decibel (dB) of the surrounding environment in real time, allowing you to understand the noise situation of the surrounding environment at any time, easily measure the current noise level of the environment, record the decibel change value, capture the surrounding environment, and record the noise. Easy to operate and convenient to use. [Functional Features]: 1. Real time decibel detection: Measure the decibel value (dB) of the current environment's noise, synchronously record audio and mark the peak decibel value, and save the generated timestamp record. 2. Multimedia evidence collection: Record decibel data watermarks during photo and video evidence collection, with a complete and traceable evidence chain, and support for adding evidence collection information such as geographic location and time. 3. Real time chart display: The chart displays real-time changes in noise decibels and provides reference for noise standards. 4. Historical record viewing: Record the decibel level of each detected noise, making it convenient for you to view the detection history. 5. Test result export: One click generation of data detection report, supports exporting and saving to local. Usage tips: The values obtained by the decibel meter are for user reference and simple recording only. The noise value results come from the user's native mobile phone microphone, and the microphone of mobile devices has certain limitations in recording, so obtaining values cannot replace professional noise instruments. Subscription instructions: 1. Subscription period: $4.99/continuous package week 2. 24 hours before the VIP privilege expires, the iTunes account will be automatically charged and the renewal fee will be determined. 3. Cancel automatic renewal: To cancel automatic renewal, please manually turn off the automatic renewal function in iTunes/Apple ID settings management 24 hours before expiration. If the subscription is not closed at least 24 hours before expiration, it will be automatically renewed. 4. If a free trial period is provided, any unused portion will be forfeited when the user purchases a subscription for the publication (if applicable) 6. Privacy Policy: https://kdocs.cn/l/cjjUHF3PasYx 7. Terms of Use: https://kdocs.cn/l/ctTWFaRQzgWf

About

M

Features
Read full description

This is the Bluetooth speaker control APP, here you can connect to the speaker, there are many functions, such as music, microphone, guitar volume can be adjusted. In the individual interface there are balancing functions, high school bass and so on.Let you do not need to touch the Bluetooth speaker, you can control the speaker within a certain distance.

Screenshots

Decibel Meter Noise Detector4 screens
M3 screens

Verdict

The call

The clearest difference is in-app purchases: M at none against Decibel Meter Noise Detector's 3. M also leads on update cadence (weekly vs every 5 weeks) and iOS requirement (9.0 vs 13.0). 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 Noise Detector sells 3 in-app purchases, starting at $4.99 per 7 days. M asks for nothing beyond the download.

UpkeepUpdate frequency

Decibel Meter Noise Detector ships an update every 5 weeks, M weekly. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 6 level
Decibel Meter Noise Detector versus M: the parameters behind the verdict, then further details
ParameterDecibel Meter Noise DetectorM
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.09.0 — better
Further details — not scored
Size36 MB105 MB
Age rating4+4+
DeveloperShenzhen MC Jisu Technology Co., Ltd.AMRIT MUSIC PRIVATE LIMITED

In-app purchases

3 purchases

Decibel Meter Noise Detector

Subscriptions2
  • Weekly Member3 Days trial$4.997 Days
  • One year membership3 Days trial$45.001 Year
One-time1
  • Life member$19.99
None

M

No in-app purchases

Questions

Is Decibel Meter Noise Detector free?
Decibel Meter Noise Detector is free to download, with in-app purchases available.
Is M free?
M is free to download, with no in-app purchases.
Do Decibel Meter Noise Detector or M have ads?
Neither Decibel Meter Noise Detector nor M shows ads.
Which is updated more often, Decibel Meter Noise Detector or M?
Decibel Meter Noise Detector ships an update every 5 weeks, and M weekly. Most recently, Decibel Meter Noise Detector was updated on October 3, 2026 and M on October 13, 2026.

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