
Apple Watch Series 11
Yes, you might prefer a cheaper fitness band — but if you use an iPhone and want on‑wrist ECG, SpO2 and new hypertension alerts in a thin, fast‑charging smartwatch that still fits most wrists, this is the practical health-first pick.
If you want a smartwatch that actually helps you spot health problems, not just count steps, this is the model to consider: the Series 11 focuses on richer on‑wrist health data (ECG, blood oxygen, hypertension alerts and an overnight Vitals summary) while remaining light enough to wear all day and night. It targets iPhone owners who value medical-grade notifications and tightly integrated Apple health features over long multi-day battery life. ## What makes it worth it The Series 11 adds hypertension notifications and a Sleep Score that feed into the Vitals app, giving overnight context to heart and breathing data that earlier watches didn't surface. Apple kept the always-on Retina display and boosted durability with a super-durable glass that Apple says is 2× more scratch resistant than Series 10, while Android rivals focus on longer runtimes; reviewers praise the clarity and fitness tracking, and Workout Buddy powered by Apple Intelligence brings personalised suggestions when paired with your iPhone. Battery and charging are pragmatic: Apple rates up to 24 hours of normal use, but it pairs that with a rapid fast-charge claim — about 8 hours of use from a 15‑minute top-up — which makes daily charging less painful. ## Where it falls short Battery life remains the Series' biggest compromise compared with many Wear OS and Garmin alternatives that offer two-plus days or multiday modes, and if you need truly extended runtimes you’ll still prefer those devices. Buy this if you own an iPhone and want the most complete everyday health monitoring and alerts on your wrist; skip it if you need multi-day battery life or you primarily use Android and want the tightest platform integration.
£332.1
Buy nowBuy if
You use an iPhone and want comprehensive, clinically-minded health monitoring — ECG, SpO2, sleep scoring and new hypertension alerts — in a lightweight everyday watch.
Skip if
You need multi-day battery life or you mainly use Android, because other wearable brands deliver longer runtimes and tighter Android integration.
What we found
Case Size
42 mm
Display
Always-On Retina LTPO OLED
Battery Life
Up to 24 hours (normal use)
Fast Charging
Up to ~8 hours of use in 15 minutes of charging
ECG
Built-in ECG app for on-wrist readings
Blood Oxygen (SpO2)
Pulse oximetry readings via onboard sensor
Hypertension Notifications
Can detect signs and notify you of possible hypertension
Water & Dust Resistance
50m water resistance and IP6X dust resistant
Ready to buy?
£332.1