Show HN: Created a brain entrainment app – didn't expect growth
https://apps.apple.com/us/app/shimmr-binaural-beats-focus/id6479964631
I used to work as an audio engineer and have been meditating for ~17 years. A few years back I started digging into brainwave entrainment — reading older research, patent filings, and papers (like those from the Monroe Institute), and experimenting with tone layering and sound design.What started as a personal experiment and a way to learn iOS dev ended up becoming a full brainwave entrainment...