Heart Rate Monitors

The 4iiii Viiiiva is an accurate heart rate monitor with a neat trick—it can bridge ANT+ to Bluetooth devices

This affordable heart rate monitor from Decathlon scores highly for value, but it’s just not as reliable as more expensive options

The Coospo HW9 armband is good value, though it’s worth paying to upgrade to more reliable heart rate monitors

The rechargeable Coospo H9Z is a reliable heart rate monitor at a great price

The Coros armband heart rate monitor is easy to use, comfortable and accurate

If you don’t want to wear a chest strap, the Polar Verity Sense is the best option for tracking heart rate

The Hammerhead chest strap offers reasonable value, but frequent tracking inaccuracies make it hard to trust

The Polar H10 is the most reliable heart rate monitor we’ve tried, but there are better value alternatives

A small hardware update makes the Plus a big upgrade on the HRM-Pro heart rate monitor, and it offers a wealth of stats beyond your heart rate

The Oura Ring 3 continues to impress with its sleep tracking, but new features are currently either unreliable or lacking