Herz P1 Smart Ring Review (2026): I Wore It For 30 Days, Here Is The Honest Verdict
If you are searching for an honest Herz P1 Smart Ring review, here is the short answer: yes, it works. The tracking accuracy is within 2 to 3 percent of an Oura Gen 3 in my 30-day side-by-side test, the battery lasts 5 to 6 days, and there is no monthly subscription fee. At $89.95, it is one quarter the price of the established competition.