(Auto Tuner) is a discontinued, vintage hardware chromatic tuner released by Korg. Because it is a physical device from the late 1980s or early 1990s, there is no official "free" software or app version available for download.
The workflow:
Korg Support Downloads for newer models like the CA-2 or GA-2 which operate similarly. Korg User Manuals Library for archived PDF guides. korg at2 free
The only official, legitimate way to use korg at2 free is via the Korg Gadget 3 (or later) for iPad, Mac, or Nintendo Switch. (Auto Tuner) is a discontinued, vintage hardware chromatic
Left (Red/Flat): The pitch is too low; tighten your embouchure or push in your tuning slide. Windows Issues:
I’ve seen several questions recently about getting a "KORG AT-2 free" – whether that's free software, a free trial, or a free device. Let’s clear things up so you don't waste time looking for something that doesn't exist.
While the physical AT-2 must be purchased (often second-hand on sites like eBay or Reverb), KORG does offer several free digital alternatives: