Sound level meters are wonderful tools to use for acoustic measurements in many settings. They can tell you how quiet your studio is or how loud a rock concert gets. Thanks to these decibel meter iPhone apps, you can use your smartphone to measure sound levels around you:
SPLnFFT Noise Meter: a sound level meter iPhone app with a frequency analyzer, meter, dosimeter, and other advanced features. It provides peak, L10, L95, taktmaximal, frequency analysis, histogram, and other useful measurements.
Decibel X PRO: a dBA noises meter with ITU-R 468, A, B, C, Z filters that turns your device into a professional noise meter. It also has an Apple Watch interface to show noise level on your wrist. You can export recordings in CSV format or as a PNG graph.
dB meter: measures SPL level/noise and provides you with peak and average levels. You can save settlements and view data on a histogram.
NIOSH Sound Level Meter: has an accuracy of +/- 2dBA. It provides important data points such as LAeq and TWA, max and peak levels. It can calibrate to either internal or external microphones.
Decibel Meter Master: a simple noise meter app that measures sound level and lets you know when you are being too quiet or loud.
Have you found better iPhone decibel meters? Please share them here.