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GGR Score: 4.5
Product Highlights
- Fitness tracker without display
- Whoop app delivers data
- Tracks blood oxygen, skin temperature, and heart rate
- Also tracks sleep metrics
In-Depth Review
Whoop 4.0 Review (2025): The Best Fitness Tracker Out There?
Author: Anthony O'Reilly CPT, CNC
Our Whoop 4.0 review from a certified personal trainer will let you know if you fall into the category of people who would benefit from buying this fitness tracker.
Read the full review.
Pros & Cons
Pros
- 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
Cons
- Monthly membership fee required
- No step counter
- No watch face or display
Specs
| Battery Life | 4-5 days |
|---|---|
| GPS | No |
| Water Resistance Level | 10 meters |
| Tap and Pay | No |
| Tracker Features | Sleep with haptic feedback\, Strain\, Recovery\, Health\, behavioral journal\, week and monthly performance assessments\, menstrual cycle coaching |
| Plays Music | Plays Music |
| Compatible App | Whoop |
| Size | .7 inches wide |
Product Summary
If you’re someone who takes their training seriously, the Whoop 4.0 could be an effective tool for you to use.
