Not that didn't take too long, did it?
http://www.faberacoustical.com/products/iphone/soundmeter/
OK, it only goes up to 105 dB, it ain't ANSI, but it's in your pocket and it's $20. Another $25 adds a spectrum analyzer.
http://www.faberacoustical.com/products/iphone/soundmeter/
OK, it only goes up to 105 dB, it ain't ANSI, but it's in your pocket and it's $20. Another $25 adds a spectrum analyzer.