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Customer Ratings & Reviews

Your price for this item is $299.99
The comparable value price is $399.99

Customer reviews

Rating 4.5 out of 5 stars with 414 reviews

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Rating by feature

  • Value

    Rating 4.1 out of 5 stars

  • Quality

    Rating 4.6 out of 5 stars

  • Ease of Use

    Rating 4.6 out of 5 stars

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89%would recommend to a friend

Customers are saying

Customers consistently note the superior cleaning ability and ease of use of the 9900 Prestige Rechargeable Electric Toothbrush with SenseIQ, praising its accompanying app and convenient travel case. Many appreciate the long battery life and well-designed brush head, although some find the product expensive. A few users experienced issues with intensity settings and charging inconsistencies.

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 20 Showing 381-400 of 414 reviews
  • Rated 2 out of 5 stars

    Only lasted about 6 months

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    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Only lasted about 6 months..............................

    No, I would not recommend this to a friend
    • Brand response from Philips
      Posted .

      Hi, thank you for leaving a review. We are saddened to hear that you've encountered issues with the toothbrush. Feel free to contact us for more in-depth detailed troubleshooting instructions. We’re available 24/7 on Facebook and Twitter. Alternatively, you can reach out to us via the contact page on our website www.philips.com/support. One of our colleagues will then try their best to help you further. Hope to speak to you soon!

      Kind regards,
      Philips Consumer Care philipsglobal

  • Pros mentioned:
    App, Travel case
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Superb Teeth Cleaning Experience

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The Philips Sonicare 9900 Prestige is a great advancement to to an already great line of electric toothbrushes. The toothbrush alone will leave your teeth feeling like you just stepped out of the dentist office. The brush (which is better than previous brushes I’ve used on older Sonicare models), gets in hard to reach places and really leaves your teeth nice and clean. But the real advantage of this toothbrush is the companion app. The Sonicare app (which connects to the toothbrush) helps you ensure you are brushing your teeth to get the best clean. It monitors pressure, angles, and time in the zones of your mouth adjusting the brush and giving you tips on how to better brush. Over the course of a week or so, you will be using the brush to get the best teeth cleaning experience possible. The ability to charge the brush in the provided case is a nice touch for frequent travelers. The only thing I wish is that Philips would have included a second brush head for the price of this device. Overall, the Philips Sonicare 9900 Prestige will leave your teeth feeling cleaner than ever.

    I would recommend this to a friend
  • Pros mentioned:
    Travel case
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Excellent Tooth Brush

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I normally am an Oral B toothbrush user but jumped at the chance to get the Phillips Sonicare 9900 Prestige. It arrived beautifully packaged with the toothbrush, one brush head, charger with USB cord, travel case and a user manual. To get the most benefit out of the brush, you need to download the Phillips Sonicare app for your phone. The Phillips Sonicare app monitors how you brush and flashes a purple warning when you are using too much pressure. It also helps you focus on how and where you need to brush to improve your results. At first, using the toothbrush hurt until I found the right settings and got used to the way it vibrates and works. Compared to my Oral B, I thought the Phillips to be at least equal to or slightly better than my old toothbrush. This is a high-end toothbrush unit which is reflected in the toothbrush color, design, travel case and smartphone app and is priced higher than most brushes you will find. However, over time, it should pay fopr itself in dental bill savings if you use it consistenly well.

    I would recommend this to a friend
  • Pros mentioned:
    App, Overall performance
    Tech Insider Network Member

    Rated 5 out of 5 stars

    One of the best Sonicare brushes I have used!

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have used several Phillips Sonicare brushes, dating back to 2008 and they are all great toothbrushes and each had a great quality. As the brushes improved, Phillips starting implementing bluetooth into the brush heads to sync with your phone and the Phillips Sonicare app. This brush is seamless and the design is one of the best I have seen yet, simple, has a flashing light on the bottom to ensure you arent brushing too hard and the app tells you areas your missing and better ways to brush. Plus it has intricate intelligence to know when its time to change the brush heads and controls to power the right amount of pressure etc. Phillips knows how to make an intelligent toothbrush and this device comes with a leather slim case and a fancy stand mount.

    I would recommend this to a friend
  • Rated 1 out of 5 stars

    Sonicare prestige 9900

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

    It stopped working after a year. Best Buy won’t accept return or exchange.

    No, I would not recommend this to a friend
    • Brand response from Philips
      Posted .

      Hi. Thank you very much for taking the time to share your feedback with us. We're truly sorry to hear that your Sonicare Prestige stopped working after a year.
      That's certainly not the quality we aim to provide as a brand and we'd be more than happy to take a closer look at the issue your device ran into.
      Please reach out to us on Social Media. We’re available 24/7 on Facebook (http://www.facebook.com/Philips ) and Twitter (https://twitter.com/philipscare). Alternatively, you can reach out to us via the contact page on our website. One of our colleagues will then try their best to help you further.

      Hope to speak to you soon!

      Kind regards,​
      Philips Consumer Care​ philipsglobal

  • Tech Insider Network Member

    Rated 5 out of 5 stars

    Toothbrush from the Future is Here NOW!

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Wow! I got the Philips Sonicare 9900 Prestige to replace an electric toothbrush set (handle, charging base and 4 various heads) that I have had over 10 years. I mainly use an electric toothbrush for daily polishing after manual brushing and flossing to clean. Boy has technology changed! When I opened the box it contained a travel case that can actually charge your toothbrush when plugged into a USB power adapter! I would only take a manual toothbrush for travel but now I have another option. At first the whole thing may seem a little bit much. Small gold charging base that has a plastic frame that just sits on top to hold the handle in place, USB-A power adapter to plug into your electric outlet, lithium-ion battery toothbrush handle and the A3 Premium All-In-one brush head, USB-C cord for the travel case/charging unit and a plastic travel cover for the head. Instructions are a mixture of pictures on a card "Get to Know Prestige 9900" and a thick little manual in English, Spanish and French for Canada. Once you have it assembled then it can sit on the charging base while you download the Sonicare app to get the full experience. Create an account and then follow the guided setup instructions to connect via Bluetooth. You only need to make sure the Sonicare app is open on your iPhone before you turn on the brush so it can connect and track your use. My iPhone is usually on the wireless charging pad outside the bathroom to stay dry so I check to be sure the app is open before I start brushing. Once connected you can set up preferences in the app for statistics like scrubbing, pressure, choose a brush time and get feedback. Enable and disable Adaptive Intensity and Scrubbing Feedback. If you lift the brush handle off the charger while you have the app open you can adjust the settings on your iPhone screen. The instructions say most people only brush for 40 seconds which wouldn't even cover a fraction of my big mouth. On the brush handle you can manually choose 3 levels of intensity, see the battery indicator, a brush head replacement reminder, and blue lights on the end of the handle that are supposed to turn purple to alert you if you apply excess pressure. The SenseIQ will illuminate on the handle when the smart features are active. The app actually tells you how many uses the brush head has left and you can order another from inside the app or just pick one up at your local Best Buy store. Brushpacer divides the time into 6 segments and causes a little pause (hiccup) alerting you that it is time to move to another area. The app tracks your usage each day and gives feedback on your brushing. If you do multiple sessions back to back (it takes me three to do a full polish), it will give cumulative feedback. I wasn't getting any feedback one day and eventually realized that the app was no longer connecting to the handle. Tried to reconnect but it wasn't working so I had to open Bluetooth on my iPhone and Forget This Device then add it back per the instructions. So much more data and charts of my daily brushing than I actually need but interesting to see. There are even more in the app that you can pay $10 extra per report or a Complete Care report for $35. Amazing what the 9900 Prestige and the Sonicare app can do for something as common as brushing your teeth.

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning
    Tech Insider Network Member

    Rated 5 out of 5 stars

    I love this new model!

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have been using a Sonicare DiamondClean for quite a few years now. After receiving this new 9900 Prestige, I could tell after the first use that the new motor has a lot more power, and the new brush head design does a way better job. My teeth feel squeaky clean. My DiamondClean always did a great job, but there is a noticeable difference in smoothness on my teeth after using this new Prestige brush. Sonicare has always made a solid brush, but if you can swing the higher price, I can't recommend this 9900 Prestige enough. Definitely a happy customer here!

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning
    Tech Insider Network Member

    Rated 2 out of 5 stars

    Far too expensive for very little benefit

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    THE GOOD - Typical good Sonicare cleaning - Battery lasts two weeks ( but often more ) - Compatible with older Sonicare brush heads THE BAD - Very pricey - No noticeable cleaning benefit over older Sonicare brushes - Only comes with one brush head - The "Advanced" brush heads are notably pricier than the normal C, G, and W heads - "Advanced" heads not available in compact sizes - Touch buttons easy to accidentally press - Poorly designed charge base I've been using Sonicare toothbrushes for years, namely a 6100 and 9700 series, and I rather like them. They clean my teeth well, replacement heads aren't much more expensive than a good manual toothbrush when purchased in bulk, and the batteries can go weeks between charges. I was hopeful Philips' claims about the 9900 being smarter and more advanced would be a noticeable improvement, but that's not been my experience. The SenseIQ on the 9900 is supposed to be able to detect how you brush your teeth and automatically change the brushing function to get the best cleaning. If the sensors detect you not brushing certain areas of your mouth as it thinks you should, it will report such on the companion mobile application, extend the brushing timer, and instruct you to brush them again. The new A3 brush head is supposed to be an "advanced" or "all-in-one" brush head that Philips claims cleans just as well as their C heads, whitens as well as the W heads, and is better for gums than the G heads. The big downsides here is the price. Philips is asking a very large chunk of cash for the 9900. Aside from the SenseIQ, the feature set is practically identical between the three Sonicare models I've used ( minus Bluettoth for the 6100 of course ). They all will detect the brush head type in use, they all have three intensity settings, all the batteries will last weeks between recharges, and all clean my teeth really well. If the SenseIQ cleaned my teeth a lot better than the other two, I might say the price difference is justified. But really, neither me or my spouse can tell the difference. For a toothbrush costing three time as much as my 6100 and $100 more than the 9700 ( current prices ), I expect to see stellar results, and frankly I don't. The 9700 was also expensive when I got it, but at least it came with several brush heads and a tongue scrubbing paddle. The 9900 includes only one brush head in the box, and replacement A3 heads cost considerably more than the C2s I use now ( the 9900 can of course use the older brush heads, too ). As of now, there's also no compact model of the A brush head. Apart from cleaning performance, I also don't like many of the design elements of the 9900. The handle has touch sensitive areas instead of physical buttons for power and intensity, which I found easy to accidentally press while I was brushing my teeth. The charging base is also quite light, which doesn't stay planted well on the bathroom counter ( the weight of the cord alone is enough to move or prop it up when the brush handle isn't resting in it ). I also don't understand why Philips opted to give it a USB plug and adapter since you already get a USB charging travel case in the box. A fixed AC adapter wart would have been simpler and smaller. Perhaps a lab or a dentist could point out the cleaning improvement of thee 9900 over previous Sonicare models. I'm sure there are some people with uncommon but specific dental health needs that will see benefit to the 9900, or perhaps its feedback can help a lazy brushers scrub their teeth better. But I'm willing to guess most adults that already have a good tooth care regimen won't see a difference. For them, the 9900 is too much for too little.

    No, I would not recommend this to a friend
    • Brand response from Philips
      Posted .

      Hi Jaron,

      thank you for leaving this elaborate review of the Sonicare 9900 Prestige. We greatly appreciate your feedback and will take note of it to further improve our products and services in the future. Nevertheless, we're sorry to hear that this model isn't what you expected. The Sonicare 9900 Prestige offers an abundance of features that aren't included in our other models, which also explains the price of the device compared to others. Thus, it certainly has the potential to give you a great clean and provide excellent results. However, we believe that each Sonicare has something to offer and that you could achieve a great clean from any of our other models as well. The Sonicare Prestige 9900 is designed for those who would like to elevate their brushing experience with the freedom of choosing from many useful features.
      If you have any questions or concerns in the future, please feel free to get in touch via social media. We’re available 24/7 on Facebook (https://bit.ly/3yBQ1qb) and Twitter (@PhilipsCare). Alternatively, you can reach out to us via the contact page on our website. One of our colleagues will then try their best to help you further.

      Hope to speak to you soon!

      Kind regards,
      Philips Consumer Care philipsglobal

  • Tech Insider Network Member

    Rated 4 out of 5 stars

    If You Really Care About Your Dental Health

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The first thing I noticed about this Sonicare brush is it was almost 400 dollars. You can buy a Sonicare for 40 dollars. So, what is so special about THIS model? The answer is ‘plenty’ but to make it worthwhile you really need to care about your dental health, keeping track of how you brush, how well you brush, and how often. To do this, you need to install the free app on your phone. The purpose of the app is to keep track of your brushing and how well and how frequently you do. The app will give pointers and sometimes almost nag you into doing well by your teeth, pointing out if you’re ‘scrubbing’ (which you do not need to do with a Sonicare brush) and if you’re pushing the brush too hard against your teeth. It will then log each time you brush and how long into the app. Included with your Sonicare is their most premium brush head, the A3 Premium, which is designed for better plaque and stain removal than their other brushes. The brush ‘times’ your brushing with little pauses, 6 times as you brush, to remind you to move the brush to a different area. I find that helpful because in addition to making sure you brush long enough, it helps keep you from missing certain areas which you might without this feature. Also included is a simulated leather carrying case which will also charge your brush via a USB-C port when you’re on the road. The biggest negative is that sometimes I found that the app is somewhat ‘buggy.’ If you don’t remember to keep your phone nearby with the app open, it won’t record your brushing that day, and once for me even when it WAS turned on it ‘missed’ it. There’s no way to correct the information manually if it is missed. This does not seem like something that could not be corrected by an app update in the future, however. Overall it’s up to you to decide whether to spend this much on your toothbrush. If you do, there are enough premium features in this Sonicare to not make you regret your decision.

    I would recommend this to a friend
  • Tech Insider Network Member

    Rated 4 out of 5 stars

    Excellent toothbrush, one weird design choice

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This toothbrush combines everything you expect from a Philips brush (superior cleaning ability and ease of use) and adds to it in a BIG way with the charging case. The battery life on the brush is very good on its own, but the fact that the case itself doubles as a charger with a simple USB-c plug means you no longer have to worry about whether or not you can bring this on a long trip without it dying. There is one interesting quirk that many not care about but it was annoying enough for me to knock off an entire star. The tooth brush and brush head will NOT fit in the case if the hard plastic cover is on the brush head. As someone who always uses these covers (especially since they come with them equipped) I think this is a huge design oversight on a product that is placed in an absolutely premium price point. Is that enough for me to not recommend the brush? Absolutely not. It does, however, make it not perfect and worthy of 5 stars in my opinion.

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

    Rated 5 out of 5 stars

    Best toothbrush!!!

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

    Deep cleans teeth with timer to make sure you have brushed long enough. Easy to use app.

    I would recommend this to a friend
  • Pros mentioned:
    Travel case
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Great Toothbrush!

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This will be my 3rd Philips Sonicare toothbrush over the past 12 years or so and this one is by far the best one I've ever owned. It is very light, which actually took some getting used to because the previous ones were heavy and I really liked the way they felt in your hands. This one is slick...both visually and while holding it, but that is really the only bad thing I can say about it. I like the stand and the speed at which it recharges. I like the multiple settings that control the force the toothbrush uses, and allows you to use. As for the app, while it's handy and fun to use, I don't really use it. It's easy enough to brush each top and bottom third for 20 seconds however the app does have some features that people may find useful. As for me, as long as I'm brushing for two minutes twice a day...that is all the information I need. While I haven't used it yet, the carrying/travel case is sharp and I like that you can charge the toothbrush while it is in that case with any USB charger.

    I would recommend this to a friend
  • Tech Insider Network Member

    Rated 5 out of 5 stars

    Premium intelligent feature rich toothbrush

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is a high end electric toothbrush with advanced features. The handle has a sleek solid build and feels premium. It comes with one brush head, a charging base, and a compact leather travel case. The brush can be charged from the case using the USB-C cable, which comes handy during travel. Also, with USB-C, there is one less cable to carry. Make sure to charge the toothbrush fully before your first use. The A3 brush head that comes with this is an all-in-one brush head and definitely feels better compared to other compatible ones. You can still use any compatible brush head, given the A3 is on the expensive end. I wish they had included more than 1 brush head with this unit. The toothbrush comes with SenseIQ technology. You need to download Philips Sonicare app to make best use of these features. The brush communicates with the app on how much pressure you are applying, and adjusts the intensity in real time based on your brushing style. The app also provides personalized guidance on your brushing process by dividing your mouth into 6 zones and how to brush in each zone. You need to have the app open when brushing for this progress tracking and personalized recommendation. The app also lets you choose from 5 different cleaning modes. The toothbrush comes with 3 intensity settings that can be changed by pressing the intensity lights under the power button. Overall, if you are looking to upgrade your electric toothbrush, consider this intelligent toothbrush with rich features for next level brushing.

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

    Rated 5 out of 5 stars

    Exceptional Cleaning Power and User-Friendly Desig

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

    I highly recommend this product for anyone looking to upgrade their oral care routine. It combines cutting-edge technology with user-friendly features, providing a superior brushing experience.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    A little more than you want or need!!

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

    This is an excellent product….in my view though, it is to complicated. you download an ap to program certain things and it can provide feedback….too much!! I gave 4 stars because it has the best power….I still use it as a dumb toothbrush.

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Brings Tech into Brushing Teeth

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The Basics, the tooth brush is comfortable and does a great job on the teeth. You can connect it to your phone and use the app to track progress and get feedback on brushing. No complaints on this toothbrush other than the cost. If you like the tech part, this will be great.

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

    Performance expectations.

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

    This is my third Sonic brush and this model so far is the best.

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

    This Sonic Care is a winner

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

    Never thought I would enjoy an electric toothbrush. Never knew why I needed one. But when my dentist recommended this one, I thought I would try the best. I think I found it. Yes it is expensive. But it just works. It makes me look forward to brushing and with the Sonic care app, it literally coaches me how to brush properly. If it lasts the year and a half of the warranty or longer, I think it is worth it.

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

    Toothbrush is excellent

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

    Love this new toothbrush. Very powerful and app is useful. Expensive but worth it!

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

    Rated 5 out of 5 stars

    excellent care

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

    can properly and easy to use save money on dentist

    I would recommend this to a friend