Harmoniq Coupons & Promo Codes – October 2026

Harmoniq sells a neckband called FLOW that plays frequency signals through an app. The device starts at $349 and comes with 45 days of app access. After that, membership is $19 a month. The app also has audio sessions you can use without the band. Returns are accepted for 45 days, and some purchases can be paid with HSA or FSA funds. It is a wellness gadget, not a medical device.