WHOOP 4.0
Continuous strain, recovery, and sleep coaching for athletes
2012
Boston, USA
$30/month
whoop.com
Overview
WHOOP continuously monitors heart rate, HRV, skin temperature, blood oxygen, and respiratory rate. Its proprietary Strain Coach and Sleep Coach use personalized algorithms to recommend optimal daily exertion and sleep targets.
Why It's Notable
Worn by elite athletes and military. The Journal Coach feature analyzes how behaviors affect recovery.
How It Works
A screenless wristband collects 100+ data points per second. Proprietary algorithms calculate daily Strain (cardiovascular load), Recovery (readiness to perform), and Sleep (quality and debt). The Journal feature correlates behaviors with outcomes.
Key Features
Team & Background
Founded by Will Ahmed (Harvard). Backed by $400M+ in funding.
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