Comparison

Decibel Meter A+ vs Decibel Meter X

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

Head to head
About

Decibel Meter A+

This app measures and analyzes environmental noise in real time, providing accurate dB levels and statistical data. It features a simple interface for detecting subtle noises, with recording and sharing capabilities to manage noise data effectively and promote a safer environment.

Highlights
  • Real-time dB level monitoring
  • Environmental noise analysis
  • Noise measurement recording
  • Data sharing capabilities
  • Intuitive user interface
  • Statistical data generation
Read full description

Measure, record, and track noise over time. Decibel Meter A+ lets you measure surrounding noise in real time while recording the actual sound. Monitor noise levels, save recordings, and review your noise data by date. Keep a record of noise. Whether you want to monitor recurring noise at home, check apartment noise, or keep track of your surroundings, Decibel Meter A+ helps you document when and how loud the noise occurs. Review your noise history. Check recorded noise data by date and review changes in noise levels over time. Easily find and manage recordings from previous measurements. Save only the important moments. When a long recording contains a specific noise event, you can save the relevant section separately. Keep the parts you need without having to manage the entire recording. Designed for long-term monitoring. Use Decibel Meter A+ for extended noise monitoring at home, in apartments, offices, workplaces, or other environments where keeping track of surrounding noise is important. Measure. Record. Save. Track. Decibel Meter A+ gives you a simple way to monitor environmental noise and keep a record of the sounds around you.

About

Decibel Meter X

This application precisely measures sound levels and analyzes audio spectrums. It can also generate specific frequency sounds for testing, research, or therapeutic purposes. Its intuitive interface makes sound exploration accessible to all users.

Highlights
  • Precise decibel level measurement
  • Audio spectrum analysis
  • Spectrogram display
  • Generate specific frequency sounds
  • Intuitive user interface
  • Detailed usage instructions
Features
Read full description

【Decibel Meter X】 - Your Expert in Sound Measurement and Spectrum Analysis! Sound is an indispensable element in life. The Decibel Meter X is not only a precise sound measurement tool, but also boasts powerful spectrum analysis capabilities, revealing the multidimensional details of sound. Additionally, the App offers the functionality to generate specific frequency sounds, enriching your journey of sound exploration. With the Decibel Meter X, you can easily obtain the decibel level of your current environment, understanding the intensity of noise. The spectrum analysis feature decomposes sound into its various frequency components, allowing you to delve deeper into the composition and characteristics of sound. Whether it's music, voices, or other sounds, the App can display their spectrograms, giving you a more intuitive understanding of sound. Moreover, the Decibel Meter X also has the capability to generate specific frequency sounds. You can set different frequencies and volumes to produce pure sound signals. This feature can be used for sound testing and research, as well as for sound therapy, musical instrument tuning, and various other scenarios, broadening the application of sound. Ease of use and a clear, intuitive interface are another highlight of the Decibel Meter X. Whether you're a beginner or a professional in sound measurement, you can easily get started and enjoy the fun of sound exploration. Additionally, we provide detailed usage instructions and customer support to ensure you have a seamless experience. Download the Decibel Meter X from the App Store now! Let it become your trusted assistant in sound measurement and spectrum analysis, allowing you to delve deeper into the world of sound and enjoy the infinite possibilities it brings!

Screenshots

Decibel Meter A+4 screens
Decibel Meter X4 screens

Verdict

The call

The clearest difference is in-app purchases: Decibel Meter X at none against Decibel Meter A+'s 3. Decibel Meter X also leads on ads (none vs shown) and review sentiment (100% vs 89%). On price, update cadence, device support and iOS requirement 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 A+ sells 3 one-off in-app purchases. Decibel Meter X asks for nothing beyond the download.

UpkeepUpdate frequency

Decibel Meter A+ ships an update every 6 weeks, Decibel Meter X every 4 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Decibel Meter A+ versus Decibel Meter X: the parameters behind the verdict, then further details
ParameterDecibel Meter A+Decibel Meter X
PriceFreeFree
Rating—4.7 (57 ratings) — better
Positive reviews89.5% of reviews100.0% of reviews — better
Number of ratings—57 — better
Update frequencyEvery 6 weeksEvery 4 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size5 MB6 MB
Age rating4+4+
DeveloperBO YOUNG PARK永超 侯

Customer experience

Decibel Meter A+

Written reviews19 reviews
Positive89.5%
Neutral10.5%
Negative0.0%

Decibel Meter X

All ratings49 ratings
Positive98.0%
Neutral2.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Decibel Meter A+

One-time3
  • Remove Ads$0.99
  • Coffee for App Developers$1.99
  • Coffee + Cake for App Devs$3.99
None

Decibel Meter X

No in-app purchases

Questions

Is Decibel Meter A+ free?
Decibel Meter A+ is free to download, with in-app purchases available.
Is Decibel Meter X free?
Decibel Meter X is free to download, with no in-app purchases.
Do Decibel Meter A+ or Decibel Meter X have ads?
Decibel Meter A+ shows ads; Decibel Meter X does not.
Which is updated more often, Decibel Meter A+ or Decibel Meter X?
Decibel Meter A+ ships an update every 6 weeks, and Decibel Meter X every 4 weeks. Most recently, Decibel Meter A+ was updated on November 3, 2026 and Decibel Meter X on November 4, 2026.

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