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How Keen Works

How to Take Control with Keen


train keen

 Use our iOS or Android app to train Keen to look out for your specific behavior and movement.

get notified


Keen vibrates when your custom gesture is detected, waking you up!

take action

Once aware, you can make a new choice & move your hand away.

 regain control


Over time, your brain is retrained away from the negative behavior.

Sizing Guide

Not sure which size is right for you?

It's important that Keen fits snugly. Here's a quick guide to help you decide which bracelet size to order:

(images not to scale)