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Whoop 4.0 narrowly beats the Fitbit Charge 6 in the fitness trackers category, especially in performance, scoring 46 vs 42. If you want the better overall fitness trackers, Whoop 4.0 is the recommended choice.
Picking Whoop 4.0 over Fitbit Charge 6 means trading these off.
Nothing meaningful — Whoop 4.0 matches or beats Fitbit Charge 6 on every measured spec.
Scores are relative within the fitness trackerscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | Whoop 4.0W | Fitbit Charge 6 |
|---|---|---|
| Display | — | 1.57" |
| Display Type | — | AMOLED |
| Heart Rate | true | true |
| SpO2 | true | true |
| ECG | — | false |
| GPS | false | true |
| Battery Life | 168hrs | 168hrs |
| NFC | false | — |
| Weight | 30g | 30g |
| Price | 30$✓ | 88$ |
Buy Whoop 4.0 if…
Buy the Whoop 4.0 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Fitbit Charge 6 if…
The Fitbit Charge 6 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Whoop 4.0 narrowly beats the Fitbit Charge 6 in the fitness trackers category, especially in performance, scoring 46 vs 42. If you want the better overall fitness trackers, Whoop 4.0 is the recommended choice.
Yes, Whoop 4.0 scores higher overall (49 vs 74).
Whoop 4.0 is cheaper at $30 vs $88 for the Fitbit Charge 6.
Buy the Whoop 4.0 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
The Fitbit Charge 6 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Both offer 168 hours of battery life.
Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
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