(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.
Why is the Korg AT2 Free?
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Compact Design: A handheld, battery-powered unit that often included a vintage-style metronome combo in some versions. Free Resources and "Free" Alternatives (Auto Tuner) is a discontinued, vintage hardware chromatic