Simple app · Simple price · No bullshit

Know how loud it really is.

A beautifully designed, accurate decibel meter for your phone and Mac. No ads, no subscriptions, no tracking.

Download on theApp Store Download on theMac App Store Get it onGoogle Play
dB Meter showing 42 dB — Very quiet

See it in action

Color-coded levels from silent green to dangerous red.

dB Meter at 42 dB — Very quiet, green
dB Meter at 65 dB — Moderate, yellow
dB Meter at 68 dB — No ads, no subscription
dB Meter at 78 dB — Loud, orange
dB Meter at 92 dB — Hearing risk, red

Everything you need. Nothing you don't.

Measure sound levels accurately — that's it.

🎙

Real-Time Measurement

60fps updates with smooth interpolation. See decibel levels change instantly as your environment does.

🎨

Color-Coded Levels

Green to red — know at a glance whether sound levels are safe. Smooth color transitions between zones.

🗣

Plain-Language Labels

Not just numbers. See labels like "Normal", "Loud", or "Hearing risk" with real-world context for each level.

📈

Live Waveform

A scrolling waveform graph shows your sound history. See patterns and spikes over time.

📊

Min / Avg / Max Stats

Track minimum, average, and maximum decibel readings across your session automatically.

🛠

Device Calibration

Per-device microphone calibration offsets for iPhones 12–16. Measured against a reference SPL meter.

🌓

Dark Mode

Follows your system preference. Looks great in both light and dark environments.

📱

Cross-Platform

Available on iOS, macOS, and Android. Same clean experience everywhere.

🔒

Privacy First

No accounts, no tracking, no data collection. Audio is processed on-device and never leaves your phone.

Sound levels at a glance

Almost silent Leaves rustling, breathing < 20 dB
Very quiet Whisper, quiet bedroom 20–40 dB
Normal Conversation, office 40–60 dB
Moderate Restaurant, busy street 60–70 dB
Loud Vacuum cleaner, heavy traffic 70–80 dB
Very loud Blender, noisy factory 80–85 dB
Hearing risk Power tools, motorcycle 85–95 dB
Dangerous Rock concert, chainsaw 95–110 dB
Painful Jet engine, siren > 110 dB

Simple pricing

Pay once, own it forever. No subscriptions.

$2.99
One-time purchase
  • All features included
  • All future updates
  • No ads, ever
  • No in-app purchases
  • No account required
  • No data collection