Blankie, A Free and Open Source Ambient Sound Mixer is a Breath of Fresh Air, Right in Your Ear

TL;DR: Blankie is a free, open-source ambient sound mixer for Mac, iPhone, iPad and CarPlay; no ads, IAPs, or subscriptions. 24 mixable sounds, saved presets, custom audio import, menu bar control. Stacked against Noizio, Dark Noise, myNoise, and Endel, all of which charge something for depth or convenience Blankie gives away for free. I'm not usually one to complain about app pricing, but I make…