The Biostrap is a gym buddy that knows which exercises you’re doing

Like your short-sighted dog, most fitness trackers are a bit ‘ballpark’ when it comes getting an idea of your specific movements. Sure, Fitbit’s SmartTrack has an uncanny ability to tell that you’re cycling rather than running, but what about logging that kettlebell session you’ve just struggled through? For telling these apart from side-lying leg lifts you ideally need a wrist tracker that works with a foot pod. That’s the idea behind the Biostrap ($249), which also claims to be a next-gen health tracker thanks to a pulse oximeter for capturing both heart-rate variability and oxygen saturation. With waterproofing for swim-tracking and a five-day battery life, it might just be the beefcake that knocks the Fitbit off the top of the gym leaderboard.

Mark Wilson Features editor

About

Mark's first review for Stuff was the Nokia N-Gage in 2004. Luckily, his career lasted a little longer than the taco phone, and he's been trying to figure out how gadgets fit back into their boxes ever since. While his 'Extreme Mark Wilson' persona was retired following a Microsoft skydiving incident, this means he can often be spotted in the wilds of South West London testing action cams, drones and smartwatches, and occasionally cursing at them.

Areas of expertise

Smart home tech, cameras, wearables and obscure gadgets from the early 2000s.