What is Reddit's opinion of 432 Player - Listen to Pure Music?

From 3.5 billion Reddit comments

I downloaded this nifty little app that pitches the frequency of your music down in real time to the 432hz frequency.

https://play.google.com/store/apps/details?id=com.appums.music_pitcher&hl=en

Search for 432hz audio player on google play store... You can turn off 432hz while listening song and switch to original freq. Difference can be heard. Paid version has option for 528hz.

https://play.google.com/store/apps/details?id=com.appums.music_pitcher

https://play.google.com/store/apps/details?id=com.appums.music_pitcher

Here’s the link: 432hz player