Sound Meter Decibel Noise

Content rating
Everyone
10+
Downloads
Content rating
Everyone
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About this app

This sound meter, decibel meter and noise detector measures ambient noise in dB. Use it as an everyday SPL meter on your phone.

Check surrounding noise in real time, with live min, average, peak, percentiles and session history.

Real-time measurement
• One tap shows the current ambient sound level in dB
• Audio sampling that reflects sound intensity
• Color-coded noise level indicators

Statistics
• Live minimum, maximum and average
• Percentiles (P50, P90, P95) for noise distribution
• Peak recording for the loudest moments

Look & themes (optional)
• Paper-style dial; pick from color themes and paper texture
• Light, dark, or system appearance; several font choices
• Settings also include app info and brand links

Languages: English, Chinese, Spanish, Hindi, Arabic, Portuguese, Bengali, Russian, Japanese, German

Where it helps
• Home: household noise
• Work: workplace noise
• Study: quieter study space
• Public places: surrounding noise
• Hearing awareness: long-term noise exposure

Privacy
The microphone is used only while you measure. Audio is not collected in the background. Measurement data stays on your device and is not uploaded to a server.

Privacy Policy: https://cute-satsuma.github.io/privacy/db-meter-caju/
Sound meter and noise detector: live dB, min/avg/peak, percentiles, history
Updated on
Sep 8, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

Shorter home-screen name: Sound Meter.
• Same live dB reading, min/avg/peak, history, and landscape layout