Studio Six Digital releases SPL v6.1
iPhone, iPad / Tools / Analysis: SPL is a professional-grade digital sound level meter (decibel meter) for your iPad, iPhone or iPod touch. It includes all of the modes, filters, and features that you would expect from a professional ANSI or IEC Sound Level Meter. All filters and averaging modes...
www.440audio.com/en/software/vi1434-Studio-Six-Digital-SPL/