TuneHertz 1.0 for Mac was available to download from 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 free Mac application is Aliaksei Saskevich. The application belongs to Audio & Video Tools. 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:
TuneHertz is a fast, accurate, and minimalistic chromatic tuner that lives in your status bar. TuneHertz listens to the sound you make and shows you the pitch. You can tune your instruments accurately by looking at the suggestions from the pitch that you want to tune.
You may want to check out more Mac applications, such as Mixtikl 5, Noatikl 2 - Generative Music Lab or VDMX, which might be similar to TuneHertz.