dBMeter+ allows you to precisely measure the sound level with the use of the microphone of your device expressed in decibels.
• Display average, peak and max levels of audio.
• Calibrate it for most precise measures.
• Choose the frequency of the measure.
• Reset the measures.
• Optimized for iOS 10, iPhone and iPad.
Even though dBMeter was optimized for more accurate measures it is recommended to use it for entertainment and educational purposes.