Solid app, no iffy permissions, works out of the box and doesn't represent cellphones as being a reliable tool. It would be nice to have an alternate set of descriptive levels that reflect OSHA and other worker safety guidelines, which are reducing exposure times at increasing noise levels, described in OSHA 1910.95(b)(2)
Don't know how to calibrate or how it works, but is awesome anyway. But I'd like to see a setting time-lapse still going, even after screen lock. Barely 5 star.
Tried other free apps like this and they where pretty much a waste of time. Been trying to sound proof a room and showed a drop in levels. And helped to show where to place sound deading materials. So i would recommend this app. Its free and works. Ads are ads but not in the way and not a pain.
I was expecting ads with a free app, and while they're only slightly obtrusive, I found myself wanting for an ad-free paid version. The app itself works fine--I like the ability to switch between light and dark themes--although without a proper sound level reference, I'm not sure how accurate the results are. At the very least it's a good objective measure of relative sound levels. Any movement right near the microphone, or touching the phone itself, will throw off the results a bit.
I think this is a very useful app. But history must have so that we compare the pollution of two different times. Hopefully history feature come soon
Seems to work rather well. They tell you right off the bat that phone microphones aren't good above 90db. Very honest of the developers and refreshing
Button sound removed(sound interfered in dB)