Apple Watch Series 4Cool factor 5/5Usability 5/5Value for money 4/5 The Apple Watch Series 4 is the first over-the-counter consumer product that can be used for an electrocardiogram reading. At present this heart-monitoring feature is approved for the US market only, but it will notify you if your heart rate is too high or too low. But the Series 4 is more than that. Design tweaks make it ergonomic, and despite a bigger display it’s still thinner than the Series 3. New face sizes come in either 40mm or 44mm. For those who’ve already bought extra straps, they work on Series 4. The larger display with its curved edges packs more info on these faces, which are exclusive to Series 4. I could pre-select up to eight shortcuts that are visible, such as battery life, heart rate, temperature, another time zone and favourite contact. This is a great option if you don’t mind an "overcrowded" face. The overall experience is still slick, and navigating is intuitive; an improved chipset brings a ...

BL Premium

This article is reserved for our subscribers.

A subscription helps you enjoy the best of our business content every day along with benefits such as articles from our international business news partners; ProfileData financial data; and digital access to the Sunday Times and Sunday Times Daily.

Already subscribed? Simply sign in below.

Questions or problems? Email or call 0860 52 52 00. Got a subscription voucher? Redeem it now