Comparison

dBMeter Pro vs Sound Meter (Decibel)

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

Head to head
About

dBMeter Pro

This application transforms your iPhone into a sound level meter for analyzing ambient noise or testing audio equipment. It offers dual-input measurement, a contextual reference guide, and long-term data logging up to 12 hours. Data can be exported for further analysis.

Highlights
  • Dual-input measurement
  • Contextual reference guide
  • Long-term data logging
  • CSV data export
  • External microphone support
Read full description

Transform your iPhone into a powerful sound level meter with dBMeter Pro. Whether you are analyzing ambient noise, testing audio equipment, or simply curious about your environment, dBMeter Pro delivers accurate decibel readings with an intuitive interface. Key Capabilities: - Dual-Input Measurement: Seamlessly switch between the iPhone’s built-in microphone for quick checks or connect external measuring microphones for enhanced precision. - Contextual Reference Guide: Don’t just read numbers—understand them. Our visual reference view compares current noise levels to real-world examples (like a library, traffic, or a rock concert) for instant context. - Long-Term Data Logging: Need to monitor noise over time? Record up to 12 hours of continuous samples. - Data Export: Easily export your sessions as CSV files for deep-dive analytics and archiving. Important Note: While dBMeter Pro has been calibrated using professional-grade equipment to ensure high accuracy, it is intended for personal and educational use only. It should not be used as a substitute for certified industrial equipment for professional or legal measurements. The author assumes no liability for damages arising from the use of this software.

About

Sound Meter (Decibel)

This application measures and displays environmental noise levels in decibels. It offers various visual representations of the data, including gauges, graphs, and numerical readouts. Users can also save their measurement history.

Highlights
  • Measures decibel values
  • Displays noise reference
  • Shows min/avg/max dB
  • Graphical decibel display
  • Saves measurement records
Features
Read full description

Sound level meter app is shows a decibel values by measure the environmental noise, displays measured dB values in various forms.  You can experience tidy graphic design with high frame by this smart sound meter app. Features: * Indicates decibel by gauge * Display the current noise reference * Display min/avg/max decibel values * Display decibel by graph line * Save measured records **Notes Microphones in phone is aligned to human voice. The maximum values are limited by the device. Very loud sounds(over ~110 dB) may not be recognized in most device. So please use it as just an auxiliary tools. If you need more accurate dB values, we recommend a actual sound level meter for that.

Screenshots

dBMeter Pro4 screens
Sound Meter (Decibel)4 screens

Verdict

The call

The clearest difference is price: Sound Meter (Decibel) at Free against dBMeter Pro's $5.99. Sound Meter (Decibel) also leads on ratings volume (3.3K vs 2) and device support (4 vs 1). dBMeter Pro's advantage is ads (none vs shown) and rating (5.0 vs 4.5). On review sentiment, update cadence and in-app purchases 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

Sound Meter (Decibel) is free to download; dBMeter Pro costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

dBMeter Pro holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Sound Meter (Decibel) has 3.3K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 57% of dBMeter Pro's written reviews are positive against 50% of Sound Meter (Decibel)'s.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard7 real differences · 3 level
dBMeter Pro versus Sound Meter (Decibel): the parameters behind the verdict, then further details
ParameterdBMeter ProSound Meter (Decibel)
Price$5.99Free — better
Rating5.0 (2 ratings) — better4.5 (3.3K ratings)
Positive reviews56.7% of reviews — better50.3% of reviews
Number of ratings23.3K — better
Update frequencyEvery 5 monthsEvery 5 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
DevicesiPhoneiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.614.1 — better
Further details — not scored
Size6 MB8 MB
Age rating4+4+
DeveloperMatthias SchorerUniCom Technology

Customer experience

dBMeter Pro

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews60 reviews
Positive56.7%
Neutral16.7%
Negative26.7%

Sound Meter (Decibel)

All ratings3,079 ratings
Positive88.9%
Neutral4.5%
Negative6.5%
Written reviews177 reviews
Positive50.3%
Neutral13.0%
Negative36.7%

Bugs and requests

dBMeter Pro

Not enough reviews yet to summarise bugs or requests.

Sound Meter (Decibel)

Reported bugs

3 issues
  • Apple security alert displayed on a Google ad
  • Readings are half of other apps
  • Misspelled 'quiet' throughout the app

Requested features

3 requests
  • Add option to prevent screen timeout
  • Add landscape mode
  • Improve accuracy and calibration

In-app purchases

None

dBMeter Pro

No in-app purchases

None

Sound Meter (Decibel)

No in-app purchases

Questions

Is dBMeter Pro free?
dBMeter Pro costs $5.99, with no in-app purchases.
Is Sound Meter (Decibel) free?
Sound Meter (Decibel) is free to download, with no in-app purchases.
Which has better reviews, dBMeter Pro or Sound Meter (Decibel)?
dBMeter Pro is rated higher. dBMeter Pro averages 5.0 out of 5 from 2 ratings, while Sound Meter (Decibel) averages 4.5 from 3.3K ratings.
Do dBMeter Pro or Sound Meter (Decibel) have ads?
Sound Meter (Decibel) shows ads; dBMeter Pro does not.
Which is updated more often, dBMeter Pro or Sound Meter (Decibel)?
dBMeter Pro ships an update every 5 months, and Sound Meter (Decibel) every 5 months. Most recently, dBMeter Pro was updated on October 27, 2026 and Sound Meter (Decibel) on October 30, 2026.

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