Apple Watch Ultra 4 is official: All the upgrades explained
Meet the new Apple Watch Ultra 4
Apple just announced the Apple Watch Ultra 4 alongside the Apple Watch Series 12, iPhone Duo, and iPhone 18 Pro at the September 9th "Surprise and Shine" event in Cupertino, California.
Boasting loads of new wellness tools, improved heart rate tracking, better battery life, an upgraded processor, and a handful of cool AI features, here's everything you need to know about the Apple Watch Ultra 4.
Apple Watch Ultra 4: Upgrades cheat sheet
- Price and release: The Apple Watch Ultra 4 is available for preorder starting today and will be available on September 18; the price is $799, the same as the Ultra 3
- Design: The Apple Watch Ultra 4 looks similar to its predecessor; available in Black or Natural Titanium
- Health features: Updated health sensing system; improved heart rate and heart rate variability (HRV) tracking; HRV reflected in Vitals app; new Readiness metric; new Health Age score; redesigned Health app with improved recovery insights and personalized AI health/fitness guidance that updates dynamically; Health app now supports personal health data and lab results
- AI features: Support for Siri AI voice assistant; Live Rewind lets you ‘go back in time’ up to 15 seconds; Sound Recognition can auto-alert users to common sounds like sirens and alarms; Siri Recap takes high-level notes of conversations and generates summaries
- Under-the-hood: Upgraded S11 processor
- Battery life: Improved battery performance lasts up to 48 hours per charge; up to 18 hours when recording a workout with heart rate and GPS tracking
Apple Watch Ultra 4: Upgrades and new features explained
The Apple Watch Ultra 4 is a substantial upgrade over the Apple Watch Ultra 3, which is currently one of the best smartwatches you can buy.
This is a developing story. Check back soon for more details.
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Dan Bracaglia is the Tom’s Guide editorial lead for all things smartwatches, fitness trackers and outdoor gear. With 15 years of experience as a consumer technology journalist testing everything from Oura Rings to instant cameras, Dan is deeply passionate about helping readers save money and make informed purchasing decisions. In the past year alone, Dan has assessed major product releases from the likes of Apple, Garmin, Google, Samsung, Polar and many others.
An avid outdoor adventurer, Dan is based in the U.S. Pacific Northwest where he takes advantage of the beautiful surroundings every chance he gets. A lover of kayaking, hiking, swimming, biking, snowboarding and exploring, he also makes every effort to combine his day job with his passions. When not assessing the sleep tracking and heart rate accuracy of the latest tach gadgets, you can find him photographing Seattle’s vibrant underground music community.
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