You can track symptoms, log moods, and compare menstrual cycles with other Fitbit users in the Fitbit app. It’s our new favourite all-round Fitbit tracker, and it bests even the Versa 2 smartwatch with its built-in GPS. I liked that during my run, the Charge 4 would buzz my wrist when I moved from one heart rate zone to another. for a subscription is the same I pay for a streaming service and get so much more, so I’d rather save my money.

NB the Fitbit 4 is the last Fitbit to include an altimeter which measures climb in staircases, so better than the 5 and 6 if you are interested in fitness.Featuring built-in GPS, the Charge 4 lets you see your pace and distance when exercising outside, along with a map of your workout. Fitbit has also formally announced the Fitbit Charge 5, a new tracker with an AMOLED display and an ECG monitor.

Deputy editor, Natalie Corner, a self-professed Fitbit fan, owns the Charge 4 and had the opportunity to test out the Charge 5. By default, the screen shuts off quickly to save battery life, though you can adjust how long it stays on via the Screen Time Out setting. The big news is built-in GPS and this makes it the very first of Fitbit’s fitness bands to have the technology. The in-built GPS is also great for tracking walks and runs, plotting them on a map with details of split times and heart rate levels at different points. The communication of its journey was consistent, and the product has arrived in excellent condition,.Many other apps fitness provide you with an estimate of spent moving, but these measurements are often connected to footsteps rather than heart rate and are therefore less accurate for indoor activities. Read on to find out all the key differences between the two fitness trackers, and choose the right one for you.