Apple Watch Ultra 3 vs. Ultra 4 Buyer's Guide

MacRumors
By Hartley CharltonSep 16, 2026, 8:40 am118 ptsTrending
The Apple Watch Ultra 4 is now available for pre-order, bringing a new health sensing system, more memory, and longer battery life over its predecessor. Here's everything that's new. Last year, the Apple Watch Ultra 3 introduced a larger, more efficient display, satellite connectivity, 5G, and improved battery…

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