Comparison

dB Master vs Decibel Meter dB

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

Head to head
About

dB Master

Features
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dB Master is a fast, accurate, and easy-to-use sound level meter that turns your phone into a professional noise measurement tool. Perfect for checking environmental noise, testing audio equipment, or simply understanding the loudness around you. Features: Real-time dB measurement (min, max, average) Live sound graphs for clear noise visualization Peak hold & noise alerts Frequency spectrum analysis Calibration settings for improved accuracy Simple, clean interface Whether you're measuring traffic noise, monitoring workplace sound, or testing speakers, dB Master gives you reliable and intuitive noise level readings anytime, anywhere. Download dB Master and take control of your sound environment.

About

Decibel Meter dB

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See how loud your world really is. Decibel Pro turns your iPhone into a clean, color-coded sound meter. The animated gauge moves with the room. Quiet zones glow green. Conversation zones turn yellow. Anything that could damage your hearing pushes hard into red. You see the danger before you feel it. Built for people who care about real numbers. Live dBA readings update in real time. The waveform shows you the spike that just happened. Min, average, and maximum stats hold steady so you can compare a quiet bedroom to a loud cafe to a construction site without losing the moment. FEATURES Real-time dBA sound level meter Animated gauge with color-coded noise zones Live waveform of the last few seconds Min, average, maximum, and duration stats Built-in noise reference guide (whisper, traffic, jet engine) Calibration support for your specific iPhone microphone Dark mode optimized for late-night listening sessions Frequency and SPL readings for the enthusiasts PERFECT FOR Workplace noise checks at the office, gym, or shared workspace Concerts, clubs, and live events where your hearing is on the line Home appliance comparisons when something starts sounding wrong Hearing health monitoring with NIOSH and OSHA style readings Musicians, audio engineers, and anyone tuning a room Settling arguments about whose music is too loud PRIVACY FIRST Audio is analyzed on your device in real time. Nothing is recorded. Nothing is uploaded. The sound never leaves your iPhone. Open the app. See the number. Know what it means. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

dB Master3 screens
Decibel Meter dB4 screens

Verdict

The call

The clearest difference is ads: Decibel Meter dB at none against dB Master's shown. dB Master's advantage is update cadence (every 3 days vs every 5 weeks) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. dB Master sells 1 one-off in-app purchase and Decibel Meter dB sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

dB Master ships an update every 3 days, Decibel Meter dB every 5 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard4 real differences Β· 2 level
dB Master versus Decibel Meter dB: the parameters behind the verdict, then further details
ParameterdB MasterDecibel Meter dB
PriceFreeFree
Update frequencyEvery 3 days β€” betterEvery 5 weeks
AdsYesNo β€” better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone
Requires iOS15.6 β€” better17.0
Further details β€” not scored
Size88 MB28 MB
Age rating4+4+
DeveloperGKM Interactive UG (haftungsbeschrΓ€nkt)Cloud Motion Lab LLC

In-app purchases

1 purchases

dB Master

One-time1
  • Premium$1.99
3 purchases

Decibel Meter dB

Subscriptions2
  • Pro3 Days trial$3.997 Days
  • Pro$29.991 Year
One-time1
  • Lifetime$4.99

Questions

Is dB Master free?
dB Master is free to download, with in-app purchases available.
Is Decibel Meter dB free?
Decibel Meter dB is free to download, with in-app purchases available.
Do dB Master or Decibel Meter dB have ads?
dB Master shows ads; Decibel Meter dB does not.
Which is updated more often, dB Master or Decibel Meter dB?
dB Master ships an update every 3 days, and Decibel Meter dB every 5 weeks. Most recently, dB Master was updated on November 3, 2026 and Decibel Meter dB on October 31, 2026.

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