If you’re big on health stats, the Venu provides tonnes of data including heart rate, hydration, sleep, and stress, with detailed graphs and daily insights as well as a ‘body battery’ monitor to help you decide whether you can push yourself at the gym or you’re in need of a rest day. If a simple smartwatch at the affordable end of the spectrum is what you’re after, this is it. This compact wearable can log 60 exercises including pool and open water swimming, skateboarding and fishing! Our expert was uber impressed with the detailed in- and post- workout data screens – you can see your heart rate, pace and even whether your workout was fat burning, aerobic or anaerobic. Our expert lavished praise on the sleep coach which provides tips, reports and advice on your snooze patterns and rated the three-in-one bioactive sensor which measures heart rate, blood oxygen levels and body composition.

Workout-wise, there are 41 workout modes including pool but not open water swimming, with a detailed in-workout display to give you a lowdown on your performance.You can see your stats mid-swim via the easy-to-read screen and after your session, there’s a handy training summary which covers everything from distance, stroke rate and rest time to heart rate, cardio load and fat burn. If you want to keep a close eye on your overall health, as well as your fitness, look for a smartwatch that can monitor your blood oxygen level and take an ECG. Built-in heart rate monitors are now standard. How We Test Waterproof Smartwatches