This amazing collection of professional audio tools is a must have for every audio professional, home theater enthusiast, recording engineer, concert goer, and anyone else who needs a fast and easy way to measure the sound levels around them, keep rhythm or tempo, turn their iOS device into a microphone, generate test tones, calculate recording times, or quickly find the definitions of commonly used audio terms.

★★★★★ - Russ Long, Pro Audio Review
"At only $1.99, it is possibly the best deal available in the world of pro audio gear… This iPhone essential for engineers, producers and musicians, will justify the price in a single use."

Audio Tool currently includes these 6 great tools for your everyday audio needs: Decibel Meter Pro, Microphone Pro, Bit Calc Pro and Audio Atlas!

★ Decibel Meter Pro v2:
Decibel Meter Pro is the hottest, most feature packed decibel meter on iTunes! With killer graphics optimized for the iPhone, the Retina display and the ...