Comparison

Decibels vs Decibel Meter A+

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

Head to head
About

Decibels

Measure and analyze ambient noise levels with a stylish interface. Capture photos with sound level data, and share or print your findings. Enhance analysis with advanced features like frequency weighting and chart recording through an in-app purchase.

Highlights
  • Analog dB(A) display
  • Photo with sound level
  • Share/print/store photos
  • Select frequency weightings (A, C, Z)
  • Record decibels on strip charts
  • Annotate strip charts
Features
Read full description

Want to know what noise level is around you? in the restaurant? in the train? in the office? This app will show you with precision & style. Features: - Smooth analog display of dB(A) - Take photo with sound level display - Share, print, and store sound level photos Extra Features (with purchase): - Select frequency weightings A, C, and Z - Record decibels on beautiful strip charts - Annotate the strip charts - Share, print, and store the strip charts This app uses the internal microphone to estimate the sound pressure level in decibels (dB SPL). Examples: - quiet bedroom at night: 30 dB - average home: 50 dB - vacuum cleaner, 1m away: 70 dB - jet aircraft, 50 m away: 140 dB

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.

Screenshots

Decibels3 screens
Decibel Meter A+4 screens

Verdict

The call

The clearest difference is ads: Decibels at none against Decibel Meter A+'s shown. Decibels also leads on update cadence (weekly vs every 6 weeks) and iOS requirement (11.0 vs 15.0). Decibel Meter A+'s advantage is review sentiment (89% vs 67%). On price, in-app purchases, monetization model 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. Decibels sells 2 one-off in-app purchases and Decibel Meter A+ sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Decibels ships an update weekly, Decibel Meter A+ every 6 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Decibels versus Decibel Meter A+: the parameters behind the verdict, then further details
ParameterDecibelsDecibel Meter A+
PriceFreeFree
Rating4.6 (265 ratings) — better—
Positive reviews66.9% of reviews89.5% of reviews — better
Number of ratings265 — better—
Update frequencyWeekly — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size18 MB5 MB
Age rating4+4+
DeveloperDavid BannachBO YOUNG PARK

Customer experience

Decibels

All ratings261 ratings
Positive92.3%
Neutral3.1%
Negative4.6%
Written reviews664 reviews
Positive66.9%
Neutral9.6%
Negative23.5%

Decibel Meter A+

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

Bugs and requests

Decibels

Reported bugs

3 issues
  • Crashes when trying to save images
  • Compatibility issues with newer iOS versions
  • Needle getting stuck at certain levels

Requested features

5 requests
  • Digital readout in addition to analog meter
  • Ability to save/export measurement history
  • Support for different weighting scales (A, C, Z)
  • Landscape mode support
  • Customizable appearance options

Decibel Meter A+

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Decibels

One-time2
  • Professional Controls$1.99
  • Beautiful Strip Chart Recorder$2.99
3 purchases

Decibel Meter A+

One-time3
  • Remove Ads$0.99
  • Coffee for App Developers$1.99
  • Coffee + Cake for App Devs$3.99

Questions

Is Decibels free?
Decibels is free to download, with in-app purchases available.
Is Decibel Meter A+ free?
Decibel Meter A+ is free to download, with in-app purchases available.
Do Decibels or Decibel Meter A+ have ads?
Decibel Meter A+ shows ads; Decibels does not.
Which is updated more often, Decibels or Decibel Meter A+?
Decibels ships an update weekly, and Decibel Meter A+ every 6 weeks. Most recently, Decibels was updated on November 1, 2026 and Decibel Meter A+ on November 3, 2026.

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