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.

Philips Sonicare DiamondClean Smart HX9924/44 review

£260.00
Launched Reviewed
or

Try Which? for £1 to reveal the products that perform

Typical price

£260.00

The Philips Sonicare DiamondClean Smart HX9924/44 is the most expensive electric toothbrush we've ever tested, but you get loads of features, such as smartphone compatibility and extra brushing modes. Can this smart electric toothbrush clean your teeth a lot better than less expensive models or is it a waste of money? Find out in our full review.
Is it worth your money?
Or is it a waste of cash?

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.

Make smarter choices

We have tested 41 electric toothbrushes and found that there are 0 Don't Buys and 14 Best Buys.
Range of Electric toothbrush scores
  1. 55%
    Lowest score
  2. 73%
    Average score
  3. 87%
    Highest score
We'll show you where this model sits on the scale so that you can see how it compares to electric toothbrushes we've tested
Try Which? for £1
You can cancel at any time
  • Cleaning performance

    score is available for members only
  • Overall battery performance

    score is available for members only
  • Overall ease of use

    score is available for members only

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.

The Which? difference

As well as thousands of impartial product reviews from our Test Labs, a Which? membership also gets you:

  • Unlimited access across which.co.uk
  • Advice on the move with our apps
  • Which? magazine delivered to your door
  • The inside scoop on important issues, from scams to savings accounts

Which? can help you make good decisions

    CompareRemove all products