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.
dB Master
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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.
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
Verdict
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
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.
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.
| Parameter | dB Master | Decibel Meter dB |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days β better | Every 5 weeks |
| Ads | Yes | No β better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.6 β better | 17.0 |
| Further details β not scored | ||
| Size | 88 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | GKM Interactive UG (haftungsbeschrΓ€nkt) | Cloud Motion Lab LLC |
In-app purchases
dB Master
- Premium$1.99
Decibel Meter dB
- Pro3 Days trial$3.997 Days
- Pro$29.991 Year
- Lifetime$4.99









