The best alternatives to BrainFlow are Fitbit, Hykso, and Proximity. If these 3 options don't work for you, we've listed a few more alternatives below.
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Notion— Get over $6,000 worth of Notion + unlimited AI, for free
These trackers are easy to use thanks to a touchscreen, backlit display and on-screen dashboard that helps you track sleep, activity and more—right from your wrist. ... You can wear Inspire & Inspire HR in the shower, pool and beyond.
Medtor is a early revenue-stage privately funded entity located in Manhattan Beach, CA and focused on leveraging globally patented optical technology to bring medical grade vital signs monitoring to wearable platforms.