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Customer Ratings & Reviews

Your price for this item is $229.99

Customer reviews

Rating 4.7 out of 5 stars with 1317 reviews

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Rating by feature

  • Value

    Rating 4.4 out of 5 stars

  • Quality

    Rating 4.8 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

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Cons mentioned filter

95%would recommend to a friend

Customers are saying

Customers have good things to say about the DiamondClean Smart 9300 Rechargeable Toothbrush, especially regarding its cleaning capabilities and whitening modes. Many appreciate the toothbrush itself, the helpful app, and the long-lasting battery life. Ease of use, overall performance, and design are also frequently praised, while some customers find the price to be high and have concerns about the travel case and charging.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 27 Showing 521-540 of 1,317 reviews
  • Cons mentioned:
    Price

    Rated 4 out of 5 stars

    Still the best

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Does what it’s meant to do. It would be a 5 star were it not for the price.

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Teeth never felt cleaner

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    My teeth have never felt cleaner! I would definitely recommend this!

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Great toothbrush!

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    Posted . Owned for more than 2 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent toothbrush that has outstanding results cleaning teeth!

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Best toothbrush ever

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I love this toothbrush. My teeth have never felt so clean with minimal effort.

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Ggod

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    Posted . Owned for more than 2 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    One of the best items I ever bought. It works good and looks good.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Sonicare is the BEST

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have used a Sonicare toothbrush for years now. I love the different colors made now. They are effective, efficient and beautiful! My dentist agrees it's the best on the market. Highly recommend. 5 stars.

    I would recommend this to a friend
  • Pros mentioned:
    App

    Rated 5 out of 5 stars

    Family Purchase

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I've had other electronic toothbrushes in the past but none are as good as my Philips 9300.

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Excellent

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Really does a great job cleaning you teeth and messaging gums. Would highly recommend.

    I would recommend this to a friend
  • Cons mentioned:
    Price

    Rated 5 out of 5 stars

    Worth the money!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I love my new toothbrush. Was skeptical because of the price but after reading the reviews went for it.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Good Purchase

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I've had other electronic toothbrushes in the past but none are as good as my Philips 9300

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Great brush

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love this tooth brush, it's my first electric one, and my teeth feel so much cleaner after using it

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Nice toothbrush

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love the selection of the settings to use, very easy to use.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    .

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I recommend everyone to buy it. good product and easy to use.

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Awesome Toothbrush

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    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Wife loves it. Have had several through the years. Won’t go without one.

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Great toothbrush!

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Your teeth will instantly feel cleaner and it can get to the hard places to brush

    I would recommend this to a friend
  • Pros mentioned:
    Toothbrush

    Rated 5 out of 5 stars

    Great!!

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Really good toothbrush, highly recommend for people with braces.

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Diamonds are Forever

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This was a great toothbrush and cleans teeth really well!

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Great cleaning tool

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The Best gum and teeth cleaning tool, by far. Easy to use. Really like the smart toothbrush angle.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Great

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Best toothbrush I ever had easy to use great quality

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Clean

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    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love my toothbrush. Gets all my teeth and makes my mouth feeling fresh.

    I would recommend this to a friend