Comparison

dB Noise Meter vs UNDERSEA

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

Head to head
About

dB Noise Meter

Measure ambient noise levels in decibels (dB) using your phone's microphone. Track real-time noise, identify loud appliances, and monitor your exposure to potentially harmful sound levels.

Highlights
  • Real-time decibel measurement
  • Noise level tracking
  • Appliance noise testing
  • Save noise measurements
  • Display min/max/avg dB
Features
Read full description

Sound Level & Decibel Meter is a powerful application which will allow you to measure noise background with your phone microphone. It shows real-time noise value in decibels (dB). Sound Level & Decibel Meter can be used to check the noise of any household appliances like washing machine, refrigerator, computer, air conditioner, etc,. Also you can decide which item you should buy based on the amount sound the electronic unit makes. Too much noise is dangerous to you. So you can keep track of noise around you and avoid being at places that have sound levels that are dangerous to you. Features: - Highly accurate decibel meter - Allows you to save your recorded noise measurements - Indicates decibel by gauge - Display the current noise reference - Display Minimum, Maximum and Average decibel values Privacy Policy: https://www.code4flutter.in/privacy-noise-meter/ Terms Of Use: https://www.code4flutter.in/terms-noise-meter

About

UNDERSEA

Features
Read full description

The UNDERSEA app supports marine conservation by tracking small vessels in real time during Noise Clean-up events in the Adriatic Sea. It uses continuous background location monitoring to collect accurate data essential for assessing underwater noise pollution. Users are clearly notified when background tracking is active. This app engages citizens and researchers by gathering vessel movement data that supports cross-border efforts to monitor, manage, and reduce human-generated underwater noise, promoting healthier marine ecosystems. The app respects your privacy and only uses location data to support these environmental goals. Funded by the Interreg Italy–Croatia program.

Screenshots

dB Noise Meter3 screens
UNDERSEA2 screens

Verdict

The call

The clearest difference is in-app purchases: UNDERSEA at none against dB Noise Meter's 5. UNDERSEA also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price 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. dB Noise Meter sells 5 in-app purchases, starting at $6.99 per 7 days. UNDERSEA asks for nothing beyond the download.

UpkeepUpdate frequency

dB Noise Meter ships an update every 2 months, UNDERSEA every 2 weeks. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
dB Noise Meter versus UNDERSEA: the parameters behind the verdict, then further details
ParameterdB Noise MeterUNDERSEA
PriceFreeFree
Rating3.8 (122 ratings) — better—
Positive reviews15.4% of reviews—
Number of ratings122 — better—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.614.0 — better
Further details — not scored
Size49 MB17 MB
Age rating+44+
DeveloperPetr PolasekInfordata

In-app purchases

5 purchases

dB Noise Meter

Subscriptions5
  • Premium 1 week$6.997 Days
  • Premium 1 Month3 Days trial$9.991 Month
  • Premium 3 Months$17.993 Months
Show 2 more
  • Premium 6 Months$19.996 Months
  • Premium 1 Year3 Days trial$29.991 Year
None

UNDERSEA

No in-app purchases

Questions

Is dB Noise Meter free?
dB Noise Meter is free to download, with in-app purchases available.
Is UNDERSEA free?
UNDERSEA is free to download, with no in-app purchases.
Do dB Noise Meter or UNDERSEA have ads?
dB Noise Meter shows ads; UNDERSEA does not.
Which is updated more often, dB Noise Meter or UNDERSEA?
dB Noise Meter ships an update every 2 months, and UNDERSEA every 2 weeks. Most recently, dB Noise Meter was updated on October 27, 2026 and UNDERSEA on October 7, 2026.

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