From the bit of investigation I’ve done the Apple stuff does a pretty descent job on its own. If you’re looking for that natts Ass accuracy I would say buy a meter.
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I can't speak for the Apples Sauce AP, but for the Android software I have tried and trust, UNLESS you are trying to use it as evidence in a court of law, the Android Ap is quite good and representative of what you are hearing. I actually enjoy watching the visual representation of my music and sometimes even learn something about the music from it. I use two different APs, Sound Meter, which is just a basic SPL device and has the capability of being calibrated. |
phone apps are easy to get a sense of volume within the room, i.e. compare this to that however, to refine anything, speaker location, toe-in, .... it is better to put a simple sound pressure meter on a tripod, set at seated ear level at listening position then you can move about, move speakers, change level controls, use test tones to see if any tone adjustment(s) are indicated. Hear and see if room treatments work. My speakers have two level controls each, and it takes a lot of work to adjust both frequency curve but also matching L to R. My McIntosh MODE switch is also a big help refining L to R These test tones (tracks 9-38) are individual 1/3 octave tracks: select, pause, adjust, play, pause, next .... https://www.discogs.com/release/7290000-Various-Amazing-Bytes I imagine I could locate a copy readily enough. Most other test cds have far fewer test tones. I don't use Test LP's, if any alignment is off a bit, it effects results.
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