Apple Watch Ultra 4 review: New Ultra brings bigger battery and becomes a better training partner

The Apple Watch Ultra 4 has arrived and it's promising the biggest battery life on an Apple Watch along with more features to make it a better fit for running. There's a new sensor setup to deliver more accurate heart rate tracking and power new features to help you make better decisions on your training. Testers Kieran, Nick and Mike have raced and trained with the new Ultra to find out if it's a strong upgrade on the Ultra 3 and one of the best smartwatches for runners to buy. CHAPTERS: 00:00 – Intro 00:34 – Price and what's new from Apple Watch Ultra 3 02:06 – The Run Test - Likes 11:54 – The Run Test - Dislikes 21:54 - Verdict and alternatives More ways to enjoy The Run Testers