Apple Watch Ultra 4 vs Apple Watch Ultra 3: what's changed, and should you upgrade?

TechRadar
Sep 9, 2026, 4:37 pm136 pts
Apple's September 9 'Surprise and Shine' event has come and gone, and we've learned a lot about Apple's latest crop of devices. While we've got new AirPods and iPhones (including Apple's first foldable, the iPhone Duo), it's the Apple Watches that have caught my eye as TechRadar's resident fitness and wearables…

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