Description
Whoop is a wearable health and fitness platform that uses continuous biometric sensors and AI-driven analytics to deliver personalized insights on recovery, strain, and sleep rather than functioning as a workout generator. The band tracks heart rate, heart rate variability, respiratory rate, and sleep quality around the clock, and the accompanying app translates that data into daily Recovery and Strain scores that guide how hard a user should train that day. Unlike most wearable brands, Whoop sells a membership rather than hardware, bundling the device itself into the subscription rather than charging for it separately, with new bands rolled into existing memberships as they launch. The top WHOOP MG tier adds medical-grade sensors for blood oxygen and skin temperature, including ECG and AFib detection, though those specific medical features are not yet FDA-cleared.
Key Features
- Recovery score — a daily score combining HRV, resting heart rate, and sleep data to guide training intensity.
- Strain coach — tracks cardiovascular and muscular load throughout the day relative to a user’s recovery.
- Sleep coach — analyzes sleep stages and quality, with personalized recommendations for improvement.
- Continuous biometric sensing — tracks heart rate, HRV, and respiratory rate around the clock, not just during workouts.
- WHOOP MG hardware — the top tier adds blood oxygen, skin temperature, ECG, and AFib detection sensors.
- Membership-included hardware — the band itself comes bundled into the subscription rather than sold separately.
How It Works
A user wears the Whoop band continuously, and its sensors capture heart rate, HRV, respiratory rate, and sleep data around the clock rather than only during logged workouts. Each morning, the app combines that overnight data into a Recovery score, giving a simple signal for how much strain the body can handle that day, and throughout the day it tracks cumulative Strain from both exercise and general activity, comparing it against the morning’s recovery reading. Sleep coach analyzes sleep stages and quality overnight, offering specific recommendations tied to a user’s own patterns rather than generic sleep hygiene advice. On the WHOOP MG tier, additional sensors for blood oxygen and skin temperature feed into broader health monitoring, including ECG-based heart rhythm checks, though these clinical-facing features remain outside FDA clearance as of this writing.
Technical Architecture & Overview
- Core Engine: Proprietary AI-driven biometric analytics processing continuous sensor data into Recovery, Strain, and Sleep scores.
- Deployment: Whoop 5.0 wearable band, paired with iOS and Android apps.
- API Surface: No general consumer-facing developer API confirmed on the official site.
- Known Limits: The device requires an active membership to function and won’t sync data without one; medical-grade features on WHOOP MG are not yet FDA-cleared.
Pros & Cons
| Pros | Cons |
|---|---|
| The band is included in the membership rather than sold separately, with free hardware upgrades over time. | The device requires an active membership to function; it won’t sync data without one. |
| Continuous biometric sensing gives recovery and strain insight beyond just logged workout sessions. | No permanent free tier or family plan; every user needs an individual paid membership. |
| A 30-day free trial with full Peak features lets a user test fit before committing to an annual plan. | Renewal pricing after any signup discount typically reverts to the standard rate. |
| WHOOP MG’s medical-grade sensors add blood oxygen and skin temperature tracking beyond standard fitness metrics. | WHOOP MG’s ECG and AFib detection features are not yet FDA-cleared. |
| Sleep coach gives specific, pattern-based recommendations rather than generic sleep advice. | Ongoing subscription costs accumulate over time compared to a one-time hardware purchase like a smartwatch. |
Pricing
| Plan | Price |
|---|---|
| WHOOP One | $199/year (core tracking) |
| WHOOP Peak | $239/year (adds sleep/strain coach, healthspan, stress monitor) |
| WHOOP Life | $359/year (adds WHOOP MG hardware with ECG and AFib detection) |
Platform Availability
Whoop 5.0 wearable | iOS | Android
Best For
Athletes wanting continuous recovery and strain tracking beyond workout logging | Runners and endurance athletes managing training load alongside a separate training watch | Users wanting sleep-specific coaching based on their own patterns
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Frequently Asked Questions
Does Whoop have a free trial?
Yes. Whoop offers a 30-day free trial with full Peak features, and a user only pays shipping during that period, according to Whoop’s official site.
How much does Whoop cost?
WHOOP One runs $199/year, Peak runs $239/year, and Life runs $359/year, each including the Whoop 5.0 band, according to Whoop’s official membership page.
Do I have to buy the Whoop device separately?
No. The Whoop band is included with every membership plan; there is no separate hardware purchase, according to Whoop’s official site.
Can I use Whoop without a subscription?
No. The Whoop device requires an active membership to function and won’t sync data without one, according to Whoop’s official site.
What does WHOOP MG add over the standard membership?
WHOOP MG adds medical-grade sensors for blood oxygen and skin temperature, including ECG and AFib detection, though these features are not yet FDA-cleared, according to Whoop’s official site.
