We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies. You can understand more and change your cookies preferences here.

Polar M430 review

£123.82 View retailers

Test scoreShow Context

Key features
    Expert review

    The Polar M430 GPS smartwatch has a wrist-based heart-rate monitor, built-in GPS and 100 sport profiles, ranging from yoga to martial arts. Aimed at those wanting to track their fitness activities, it comes in a variety of bright colours and has a large rectangular screen. But is it comfortable and does it track accurately? We challenged this smartwatch on the treadmill and on a 5km outdoor run, so read on for our full review to find out how it performed.

    What's included:
    • Pros and cons
    • What is it?
    • What can it do?
    • What's the setup like?
    • What's it like to wear and use?
    • How accurate is it?
    • Is there anything else I should know?
    • Should I buy it?
    Sign up to unlock expert reviews
    Full Access first month £2.99, then £9.99 per month, cancel at any time

    Last checked by Which?

    April 2022

    First reviewed by Which?

    December 2019

    Released

    June 2017

    Technical specifications

    General

    Test results

    The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

    Find out how we test smartwatches>
    Sign up to unlock test results
    Full Access first month £2.99, then £9.99 per month, cancel at any time

    Put us to the test

    Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

    Compare retailers

    Prices updated daily

    Prices are ordered from lowest to highest, irrespective of retailer rating or stock, and exclude any potential delivery costs. We are not able to show every possible retailer and cheaper prices may be available. When you click on a retailer link on our site, we may earn affiliate commission. This supports our not-for-profit mission to empower consumers and in no way affects our recommendations. Find out more.

    Best Buys and Don't Buys
    We have tested 103 smartwatches and found that there are 0 Don't Buys and 25 Best Buys.
    Range of Smartwatch scores
    1. 54%
      Lowest score
    2. 72%
      Average score
    3. 86%
      Highest score
    We'll show you where this model sits on the scale so that you can see how it compares to smartwatches we've tested
    Sign up to unlock Best Buys and Don't Buys
    Full Access first month £2.99, then £9.99 per month, cancel at any time

    Put us to the test

    Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

      CompareRemove all products