Save up to 50% on 3-Day Sale deals.Ends 12/7.Shop now

Skip to content
Gift Ideas
Main Content

Customer Ratings & Reviews

Your price for this item is $279.99
The comparable value price is $329.99

Customer reviews

Rating 4.7 out of 5 stars with 572 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.3 out of 5 stars

  • Quality

    Rating 4.8 out of 5 stars

  • Ease of Use

    Rating 4.7 out of 5 stars

Pros mentioned filter

Cons mentioned filter

94%would recommend to a friend

Customers are saying

Customers often highlight the iO Series 9 Connected Rechargeable Electric Toothbrush for its exceptional cleaning capabilities, overall performance, and ease of use. Many appreciate the long battery life, useful app, convenient travel case, and helpful pressure sensor. However, some customers find the price to be high, and others have noted differences in the iO brush heads compared to older Oral-B designs.

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 6 Showing 101-120 of 572 reviews
  • Pros mentioned:
    Overall performance

    Rated 5 out of 5 stars

    Oral

    |
    |
    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Greatest it made your mouth like you at the dentist Greatest *$

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

    Rated 5 out of 5 stars

    OralB i/o 9

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

    I thought this was just another expensive electric toothbrush but it really cleans my teeth better that any others I've used. My hygienist asked me what I was doing differently between cleanings because my teeth were much cleaner than they were at my last visit.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Rated 5 out of 5 stars

    Best Buy, my go to place for all of my tech needs

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

    BB carries the best variety products!!! The service and product are excellent. V/R, Ken H

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

    Rated 5 out of 5 stars

    Excellent

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

    The dual-action head and ergonomic design make this device worth the price. The toothbrush is easy to use and easy to clean. I haven’t even explored the advanced features yet, but basic functionality is head and shoulders above anything else I’ve used in the past.

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

    Rated 4 out of 5 stars

    iO Series 9 is wonderful.

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

    I recently had to brush my teeth with my opposite hand because I had surgery on my dominant wrist. Having never used an electrical tooth brush before, I never knew how much better it is. This Series 9 is simple to use with fantastic results. I love the pressure sensing light feature. The brush is quiet with minimum vibration. It allows me to know how long to brush using the proper force and provides a clean feeling that I never experienced. The app feature is a little over the top but it works well. If you can afford paying the higher price - you won't be disappointed with the product.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Rated 5 out of 5 stars

    You can't get a cleaner feel using another brush.

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

    $300 for a toothbrush?! Listen, if you value your dental health, you need an Oral-B. Maybe not this one soecificlally, but definitley of this series. Thie brush is a bit of a hassle at times because of the steps to get going if you want to brush along with the app, but it can be very enjoyable overall.

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

    Next level toothbrush

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

    I’ve used a sonicare toothbrush for years, and never experienced the clean I had after using this toothbrush. It truly feels like you just left the dentists office. The setup on my iPhone was super easy, and it helped me to realize I have been brushing way to hard at times, and maybe not reaching all the areas equally. It truly is next level experience. I only wish the toothbrush head had a cover like the sonicare.

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

    Awesome

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

    Awesome. Took a bit of time to link up to app but very pleased. Dentist says the difference in my teeth is noticeable. Black is so much better for cleaning as the white ones hide toothpaste residue which is unhealthy. Like the higher speed and the smiley face timer s you know you have sent right amount of time and the pressure sensor with red green and blue lights is again very useful. Recommend 100% but not cheap.

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

    Rated 5 out of 5 stars

    Best brush ever

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

    A work of art. I have used it daily since buying. It was easy to learn and the settings work out great.

    I would recommend this to a friend
  • Cons mentioned:
    Brush head

    Rated 4 out of 5 stars

    Overall pleasant experience but has flaws

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

    The toothbrush head takes a little getting used to at first. It’s larger than what I was used to so it felt abrasive on my gum line. I got the hang of it pretty quickly and have come to love my new toothbrush. The app experience could be a bit wonky at times when it doesn’t recognize where you’re actually brushing. I end up brushing the same area for longer than needed until it calibrates properly. In all honesty, the app is a gimmick and I quickly abandoned it entirely. Aside from that, the iO series 9 is a solid toothbrush and a welcomed replacement for my old Sonicare.

    I would recommend this to a friend
  • Rated 3 out of 5 stars

    Attachment Head Design Oversight

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

    Does the job but is not great when it comes to cleanliness. There’s a hole in the attachable heads that can easily collect scum with in it. If it weren’t for this design flaw, the product would be amazing

    No, I would not recommend this to a friend
  • Rated 5 out of 5 stars

    Good replacement

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

    Had to replace an older Oral b model electric toothbrush because battery was no longer holding a charge; also got a good price from BestBuy.

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

    Rated 5 out of 5 stars

    electric toothbrush

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

    Obsessed with this toothbrush! Makes my teeth feel like i just left the dentist!

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

    Rated 5 out of 5 stars

    Love my Oral B electric toothbrush

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

    I Love my Oral B electric toothbrush and would recommend.

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

    Rated 5 out of 5 stars

    Do the brush brush

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

    Easy to use and satisfying. Now just brush everyday.

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

    Rated 5 out of 5 stars

    Top of the line brush.

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

    Dont use all the options much, mostly just the teeth. After getting used to it, it consistently gives a good cleaning. I've had a regular one before this one, and after some time, I felt that i had to assist it with some manual brusging. This one has not once gave me a lack of power or ablility feeling.

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

    Rated 4 out of 5 stars

    Totally IN LOVE!

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

    Loving this toothbrush! I purchased this one to replace my Phllips. This one is so much better! I love how you can clearly choose the setting from daily clean to sensitivity etc.... it's so cute when after you are done it rewards you with either a smile of a sad face lol. But on a serious note, it does clean my teeth a lot better than it's rival. My teeth look and feel real clean! Love the way it stands on the base and it just looks very cool and modern on my counter top. Gave it a 4 star only bc I'm having an issue with the app. I cant get it to work properly. I'm sure that once I can get it to work I'll be giving it a 5 star.

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

    Rated 5 out of 5 stars

    Wow...great brush!

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

    Amazing electric toothbrush. It is a little expensive but definitely the best brush you can find

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

    Rated 5 out of 5 stars

    Very good

    |
    |
    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good prodcut. Relaible and easy to use. The app is responsive

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

    Rated 4 out of 5 stars

    Overpriced

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

    To be completely honest. The first week of using this thing it is absolutely amazing. After about two or three months, you question if it was worth it. It doesn't seem as powerful anymore, and I wish the app was better. I don't think the extra modes really do anything differently. I think it should be cheaper. You can't pause it if you need to add more toothpaste which is super annoying. The lights are really confusing too after awhile you'll realize it.

    I would recommend this to a friend