Apple Watch Ultra 3 review: the biggest and best smartwatch for an iPhone

<p>Third-gen watch adds 5G, satellite SOS and messaging, a bigger screen and longer battery life in same rugged design</p><p>The biggest, baddest and boldest Apple Watch is back for its third generation, adding a bigger screen, longer battery life and satellite messaging for when lost in the wilderness.</p><p>The Ultra 3 is Apple’s answer to adventure watches such as <a href="https://www.theguardian.com/technology/2025/oct/21/garmin-fenix-8-pro-review-built-in-lte-satellite-phone-free-messaging">Garmin’s Fenix 8 Pro</a> while being a full smartwatch for the iPhone with all the trimmings. As such, it is not cheap, costing from £749 (€899/$799/A$1,399) – £50 less than <a href="https://www.theguardian.com/technology/2023/oct/19/apple-watch-series-9-ultra-2-review-chips-screen-smartwatch-siri">2023’s model</a> – sitting above the £369-plus <a href="https://www.theguardian.com/technology/2025/oct/06/apple-watch-series-11-review-wrist-flickingly-good-with-longer-battery-life">Series 11</a> and £219 Watch SE 3.</p> <a href="https://www.theguardian.com/technology/2025/oct/27/apple-watch-ultra-3-review-the-biggest-and-best-smartwatch-for-an-iphone">Continue reading...</a>