Comparison

Decibel Meter A+ vs NTN

Price, ratings, monetisation and update history for both apps, side by side โ€” 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

NTN

Features
Read full description

This is a Bluetooth low energy (BLE) application for GlobalSat NTN-520 Configuration. By synchronizing with your NTN-520, you can check the FW/APP version and current settings. Also, you can adjust NTN and GPS setting to fulfill different user scenarios. With this application and NTN-520, we believe you will have a better experience.

Screenshots

Decibel Meter A+4 screens
NTN4 screens

Verdict

The call

The clearest difference is in-app purchases: NTN at none against Decibel Meter A+'s 3. NTN also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, update cadence and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Decibel Meter A+ sells 3 one-off in-app purchases. NTN asks for nothing beyond the download.

UpkeepUpdate frequency

Decibel Meter A+ ships an update every 6 weeks, NTN every 2 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

Scorecard3 real differences ยท 5 level
Decibel Meter A+ versus NTN: the parameters behind the verdict, then further details
ParameterDecibel Meter A+NTN
PriceFreeFree
Positive reviews89.5% of reviewsโ€”
Update frequencyEvery 6 weeks โ€” betterEvery 2 months
AdsYesNo โ€” better
In-app purchasesYesNo โ€” better
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.012.0 โ€” better
Further details โ€” not scored
Size5 MB3 MB
Age rating4+4+
DeveloperBO YOUNG PARKGlobalsat Technology Corporation.

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

NTN

No in-app purchases

Questions

Is Decibel Meter A+ free?
Decibel Meter A+ is free to download, with in-app purchases available.
Is NTN free?
NTN is free to download, with no in-app purchases.
Do Decibel Meter A+ or NTN have ads?
Decibel Meter A+ shows ads; NTN does not.
Which is updated more often, Decibel Meter A+ or NTN?
Decibel Meter A+ ships an update every 6 weeks, and NTN every 2 months. Most recently, Decibel Meter A+ was updated on November 3, 2026 and NTN on October 25, 2026.

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