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The short answer · Balanced overview
WHOOP MG leads the Balanced Bettr Score 60.2–56.5. The existing category models use the available evidence automatically; open the score details for sources and coverage.
Start with what you want the tracker to do. Inspect the listed phone compatibility, features, and membership requirements before deciding what belongs in your day. The catalog specifies a listed weight of 0.42 oz and a manufacturer battery claim of up to 7 days.
Bettr Score · Balanced
56.5/100
WHOOP
Include the ownership model in the comparison from the start. Check the listed membership requirements and features before deciding how this WHOOP fits your routine. The catalog specifies a listed weight of 0.95 oz and a manufacturer battery claim of up to 14 days.
Bettr Score · Balanced
60.2/100
15 shared verified specifications. The Bettr Score uses the available evidence automatically; independent tracking accuracy is not inferred from sensor presence.
| Google Fitbit Air | Specification | WHOOP MG |
|---|---|---|
$99.99 ✓ WinnerManufacturer source · 2026-09-10US manufacturer reference price or launch MSRP; not a live retailer offer. | Reference price | $359 Manufacturer source · 2026-09-10US manufacturer reference price or launch MSRP; not a live retailer offer. |
fitness-tracker Manufacturer source · 2026-09-10 | Device typeTie | fitness-tracker Manufacturer source · 2026-09-10 |
7 days Manufacturer source · 2026-09-10 | Advertised battery life | 14 days ✓ WinnerManufacturer source · 2026-09-10 |
0.42 oz ✓ WinnerManufacturer source · 2026-09-10 | Device weight | 0.95 oz Manufacturer source · 2026-09-10 |
164 ft ✓ WinnerManufacturer source · 2026-09-10 | Water resistance | 32.8 ft Manufacturer source · 2026-09-10 |
No Manufacturer source · 2026-09-10 | Built-in GPSTie | No Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Continuous heart rateTie | Yes Manufacturer source · 2026-09-10 |
No Manufacturer source · 2026-09-10 | ECG capability | Yes ✓ WinnerManufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Blood oxygen sensingTie | Yes Manufacturer source · 2026-09-10 |
No Manufacturer source · 2026-09-10 | Temperature sensing | Yes ✓ WinnerManufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Sleep trackingTie | Yes Manufacturer source · 2026-09-10 |
No Manufacturer source · 2026-09-10 | On-device displayTie | No Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | iPhone supportTie | Yes Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Android supportTie | Yes Manufacturer source · 2026-09-10 |
None ✓ WinnerManufacturer source · 2026-09-10 | Required subscription | $29.99 / month Manufacturer source · 2026-09-10 |
Bettr Score
Google Fitbit Air
56.5 / 100
WHOOP MG
60.2 / 100
Evidence-based guidance · Balanced model
One Bettr Score, using the existing category and priority models. Complete comparable independent tests take precedence; otherwise verified published specifications supply the score. Evidence and coverage are shown in the score details. Scores stay fixed across opponents; compare them within the same product group.
Review Google Fitbit Air’s score details, sourced features and compatibility for your needs.
Review WHOOP MG’s score details, sourced features and compatibility for your needs.
People's Pick
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We may earn a commission when you buy through links marked “Affiliate link.” This does not change your price or our scores. How we earn
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