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Wearable technology

Why are some fitness trackers so inaccurate?

Why are some fitness trackers so inaccurate?

A recent study by the University of British Columbia concluded that Fitbits and other fitness trackers are often highly inaccurate. That’s no surprise to Which?: our tests have exposed devices that leave you with no clear idea of how much activity you’ve done - whether that's steps taken or calories burned.

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Most popular smartwatches of 2018 revealed

Most popular smartwatches of 2018 revealed

We take a look at the five most popular smartwatches of 2018, including the Apple Watch Series 1 and Series 3, Fitbit Versa and Amazfit Bip.

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Which? reviews the £25 Xiaomi Mi Band 3 fitness tracker

Which? reviews the £25 Xiaomi Mi Band 3 fitness tracker

The Xiaomi Mi Band 3 activity tracker has a built-in heart-rate tracker, and costs just £25. Does that make it worth buying? Our review reveals all.

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Should you pre-order the Fitbit Charge 3 activity tracker?

Should you pre-order the Fitbit Charge 3 activity tracker?

We take an initial look at the Fitbit Charge 3 activity tracker to find out what features this slim device has. Should you buy it, or opt for a Fitbit alternative?

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Samsung Galaxy Watch vs Apple Watch vs Gear S3 – which smartwatch should I buy?

Samsung Galaxy Watch vs Apple Watch vs Gear S3 – which smartwatch should I buy?

How do the Samsung Galaxy Watch, Apple Watch Series 3 and Samsung Gear S3 smartwatches stack up, and what features do they have? We take an in-depth look.

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Reviewed: Lidl’s £25 Silvercrest Fitness & Activity Tracker

Reviewed: Lidl’s £25 Silvercrest Fitness & Activity Tracker

We explore the features of the latest cheap Lidl Silvercrest activity tracker. Is this £25 device worth snapping up, or is it a waste of money?

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10 of the best apps for your Wear OS smartwatch

10 of the best apps for your Wear OS smartwatch

We roundup the best Wear OS apps for 2018. Install these amazing apps to get the most from your Android device, whether you've got a LG, Fossil, Kate Spade or Motorola smartwatch.

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Galaxy Watch or Gear S4? What to expect from Samsung’s new smartwatch

Galaxy Watch or Gear S4? What to expect from Samsung’s new smartwatch

We take a look at the rumoured key features from the new Samsung Galaxy smartwatch, including Tizen versus Wear OS, blood pressure monitoring and design

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Tour de France: gear up with the best wearables for cycling

Tour de France: gear up with the best wearables for cycling

We take a look at the best GPS cycling watches, including Garmin and Suunto fitness watches and how to use your Apple Watch to track your ride.

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Jawbone trackers removed from sale after Which? investigation

Jawbone trackers removed from sale after Which? investigation

We investigate ongoing issues with the Jawbone app server, and what your rights are if you've recently bought a Jawbone fitness tracker.

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