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Sound meter · Real‑time dB

True Decibel
Sound Meter

A noise detector and dB meter that measures sound levels in real time. See live decibel readings with min, average and peak stats, color‑coded noise levels, and history so you can understand the sound around you.

Get it on Google Play See features
True Decibel in-app screenshot
Features

Measure the sound around you.

📊

Real‑time dB

See live decibel readings on a clear gauge that responds instantly to your environment.

🎚️

Min / Avg / Peak

Track minimum, average and peak sound levels for any moment you measure.

🟢

Noise Levels

Color‑coded levels from quiet to loud make it easy to read the room at a glance.

📈

History & Insights

Review past measurements and insights to compare quiet and noisy spaces over time.

🎙️

Clear Signal

A calibrated microphone reading with a signal check so your dB values stay reliable.

⏺️

Record & Share

Record a measurement session and share your readings whenever you need proof.

In-app preview

View on Google Play →
True Decibel screenshot True Decibel screenshot True Decibel screenshot True Decibel screenshot

Home & work

  • 🏠 Check noise levels at home for a calmer space
  • 💼 Measure office and workspace sound comfort
  • 😴 Compare quiet rooms for better sleep and focus

Out & about

  • 🎉 Gauge loudness at events, venues and concerts
  • 🚧 Spot‑check noisy streets, gyms and machinery
  • 📈 Keep a history of the places you measure

Know how loud it really is

Measure decibels in real time and understand the sound around you, anywhere.

Get it on Google Play