Whoop 4.0

An image of the Whoop 4.0 in blue

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PRODUCT HIGHLIGHTS

The Whoop 4.0 fitness tracker is designed to capture your key vital signs—blood oxygen, skin temperature, heart rate, sleep quality and more—continuously. There’s no watch face or display; instead, you’ll use the Whoop app to deep dive into your sleep, training, and recovery so that you can perform at your peak. 

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Pros & Cons

What we like ...
  • 24/7 physiological data available
  • Offers more in-depth metrics than most other fitness trackers
  • Comes with a “coaching” feature to tell you when to train and when to rest
  • Comfortable to wear
  • App is user-friendly
What needs improvement ...
  • Monthly membership fee required
  • No step counter
  • No watch face or display

Product Summary

The Whoop 4.0 fitness tracker is designed to capture your key vital signs—blood oxygen, skin temperature, heart rate, sleep quality and more—continuously. Smaller than its predecessor, the Whoop 3.0, by 33%, but fitted with a more powerful sensor, the Whoop 4.0 has a four- to five-day battery life, Bluetooth capability, and is waterproof up to 10 meters. 

Simply download the compatible Whoop app to access the in-depth insights into your sleep, training, and recovery. New with the Whoop 4.0, you can gain a picture of your overall health. An SPO2 sensor and skin temperature sensor measure your blood oxygen levels, skin temperature, and heart rate to see how you might be deviating from your baseline vitals because of stress or illness. 

You can customize the look of your Whoop 4.0 with a variety of band, hook, clasp, and fast link slider color and finishes. It’s comfortable to wear, and is designed so you never have to take it off. 

Whoop is unlike other fitness wearables in that you’ll pay a monthly membership fee—starting at $30 monthly for six months—and you’ll receive the band for free.

Specs

Tracker Features

Sleep with haptic feedback, Strain, Recovery, Health, behavioral journal, week and monthly performance assessments, menstrual cycle coaching

Plays Music

No

Display Screen Type

None

Compatible App

Whoop

Warranty

1 year replacement

Size

.7 inches wide

Water Resistance Level

10 meters

GPS

No

Tap and Pay

No

Battery Life

4-5 days

GGR Community Reviews

Whoop 4.0

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      Summary

      If you’re someone who takes their training seriously, the Whoop 4.0 could be an effective tool for you to use.