True Decibel: Sound Meter

True Decibel is a sound level meter and noise meter app that helps you measure decibels and understand noise level in real time. Turn your phone into an easy-to-read dB meter with live sound readings, clear graphs, recording history and useful alerts for everyday noise measurement.

When can you use this decibel meter app?
Use True Decibel when you want to measure sound level — at home, on the road, near traffic, or in any place where sound feels too loud. You can also use this db sound meter around appliances, where the noise is hard to judge.

Why choose this Sound Detector?
• Real time sound meter & decibel reader with live dB readings
• Real time decibel meter for quick sound level checks
• Clear dB display for current, peak dB, average dB and min max dB
• Sound graph and noise graph to watch levels rise and fall
• dBA sound meter, dBC sound meter and dBZ sound meter modes
• Works as a simple sound reader for quick everyday dB measurement

Key Features of Decibel meter app: Track sound levels over time
True Decibel helps you follow changing sound levels over time. Use this sound level meter app as a loudness meter when you want a sound reading.

• Measure noise level: Record sound levels during a measurement
• Noise Tracker: Review daily noise or weekly noise activity
• View noise level chart and sound alert report
• Save sound history: Compare readings with common scenes such as quiet rooms, offices, commutes and construction areas

Sound pressure level meter: Record audio with dB readings
Need more context than a number? Use the audio recorder with dB to save a sound recording together with its decibel reading.

• Noise recorder for measured sessions
• Play back recordings with average and peak dB
• Save sound measurement and noise tracker history
• Share a recording or a snapshot of the live SPL meter
• Export a noise level meter report or decibel summary

Alerts and Calibration of this decibel meter app
Set a custom noise alert when the sound level reaches your chosen limit, such as an 85 dB alert. The sound meter app can also give a sound alert when the environment becomes louder than expected.

• Volume meter: Custom alert limit for loud sound checks
• Vibration warning when the selected level is reached
• Calibration dB meter option to adjust readings for your phone microphone
• Save calibration presets for different environments
• Keep the screen on while measuring noise

Noise Meter: Noise monitor for everyday noise checks
True Decibel can help you understand everyday sound levels in the places you spend time most. Use it to check a quiet bedroom before sleep, compare how loud your office or commute feels, or capture sudden noise from neighbors, appliances, construction or live events.

Whether you are checking a loud room, tracking environmental noise, recording a short sound sample, or using a decibel detector for quick reference, True Decibel gives you a simple way to read, record and understand sound levels around you.

Know your noise. Download True Decibel and start measuring sound levels today.

If you have any questions or feedback, please contact us at dianazq1993@gmail.com

Recent changes:
• New noise diary: every measurement you save becomes a dated entry, tagged with how the noise affected you.
• New professional metrics: projected 8 h dose, C−A, L5/L95, noise character, NIOSH/OSHA/EU standards and a weekly hearing budget.
• More reliable readings: a check before you measure, calibration status and a sound level reference chart.
• Reports add the time-averaged spectrum and save to file, playback can skip silence, and crashes are fixed.