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The short answer · Balanced overview
WHOOP MG leads the Balanced Bettr Score 60.2–57.6. The existing category models use the available evidence automatically; open the score details for sources and coverage.
Apple
Before choosing the Ultra, make the comparison about your own use. Inspect its listed size-related details, features, and ownership requirements rather than deciding on the name. The catalog specifies a listed weight of 2.17 oz and a manufacturer battery claim of up to 2.08 days.
Bettr Score · Balanced
57.6/100
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.
| Apple Watch Ultra 4 | Specification | WHOOP MG |
|---|---|---|
$799 Manufacturer source · 2026-09-10US manufacturer reference price or launch MSRP; not a live retailer offer. | Reference price | $359 ✓ WinnerManufacturer source · 2026-09-10US manufacturer reference price or launch MSRP; not a live retailer offer. |
smartwatch Manufacturer source · 2026-09-10 | Device typePersonal preference | fitness-tracker Manufacturer source · 2026-09-10 |
2.08 days Manufacturer source · 2026-09-10 | Advertised battery life | 14 days ✓ WinnerManufacturer source · 2026-09-10 |
2.17 oz Manufacturer source · 2026-09-10 | Device weight | 0.95 oz ✓ WinnerManufacturer source · 2026-09-10 |
328.1 ft ✓ WinnerManufacturer source · 2026-09-10 | Water resistance | 32.8 ft Manufacturer source · 2026-09-10 |
Yes ✓ WinnerManufacturer source · 2026-09-10 | Built-in GPS | No Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Continuous heart rateTie | Yes Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | ECG capabilityTie | Yes Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Blood oxygen sensingTie | Yes Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Temperature sensingTie | Yes Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Sleep trackingTie | Yes Manufacturer source · 2026-09-10 |
Yes ✓ WinnerManufacturer source · 2026-09-10 | On-device display | No Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | iPhone supportTie | Yes Manufacturer source · 2026-09-10 |
No Manufacturer source · 2026-09-10 | Android supportPersonal preference | Yes Manufacturer source · 2026-09-10 |
None ✓ WinnerManufacturer source · 2026-09-10 | Required subscription | $29.99 / month Manufacturer source · 2026-09-10 |
Bettr Score
Apple Watch Ultra 4
57.6 / 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 Apple Watch Ultra 4’s score details, sourced features and compatibility for your needs.
Review WHOOP MG’s score details, sourced features and compatibility for your needs.
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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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