The 2.0 version of GuitarTuner for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this Mac application is Xitona Software.
The most popular versions of the program are 2.0 and 1.2. The software lies within Audio & Video Tools, more precisely Music Production. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Guitar Tuner is simple interactive software, which determines the exact pitch of your guitar strings, by using microphone and sound card. It also can work without microphone. As a last resort you can plug headsets into microphone input. It works with most of sound cards.
You may want to check out more software for Mac, such as Guitar Tuner, EasyGuitarTuner or PitchPerfect Free Guitar Tuner for Mac, which might be related to GuitarTuner.