Philips Sonicare Flexcare Platinum Connected vs Diamondclean Toothbrush: Differences and Specs Comparison

Philips Sonicare Flexcare Platinum Connected vs Diamondclean Smart are both ingenious electric toothbrushes that seek to redefine the user experience. Everything about these two models is literally on the higher end: the features, technology, and even pricing.

One of the most defining features of these electric brushes though is the Sonicare App, which allows the user to connect the brush to the phone for an even more convenient brushing experience.

8 Key Differences between Philips Sonicare Flexcare Platinum Connected vs Diamondclean Smart

1. Cleaning Modes

Philips Sonicare Diamondclean Smart has a higher number of cleaning modes (5) than the Sonicare Flexcare Platinum Connected (3).

They both have daily clean, gum care and whitening modes. However, the Diamondclean toothbrush has 2 more: deep clean and tongue cleaning which are lacking in the Sonicare Platinum model.

Philips Sonicare Flexcare Platinum Connected Rechargeable Toothbrush, WhitePhilips Sonicare DiamondClean Smart 9700 Rechargeable Electric Power Toothbrush, Lunar Blue, HX9957/51
Sonicare Flexcare PlatinumSonicare Diamondclean
-3 modes
-2 brush heads
-USB plus cable charger
-Standard travel case
-No brush sync feature
-5 modes
-8 brush heads
-USB plus glass charger
-Charging travel case
-Brush head mode pairing feature
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2. Brush Heads

Philips Sonicare Flexcare Platinum comes with 2 brush heads, while the Diamondclean Smart 9700 comes with eight.

3. Travel Case:

They both have a traveling case and dual voltage system. They can run on both 110v and 240v and therefore can be recharged anywhere in the world using the right socket plug.

Philips Sonicare Flexcare Platinum comes with a regular charger and travel case while the Diamondlean comes with a premium glass charger and travel case. You can charge your brush while inside the Diamondclean travel case.

4. Charging technology:

Philips Sonicare FlexCare Platinum comes only with the conventional USB plug and port charging option, however, the Soniacre Diamondclean Smart offers that option plus an additional glass charger that incorporates a wireless charging technology. All you need to do is simply place the charger in the glass and it will start charging automatically.

This innovative glass charger can not only provide a charger that can last up to 2 weeks but its design can also go a long way in adding a touch of elegance to your bathroom. For even greater convenience, the Diamondclean Smart 9500 and 9700 models come with carrying cases that have a charging station that can allow you to charge your brush handle with USB while on-the-go.

5. Intuitive technology:

Unlike the Philips Sonicare FlexCare Platinum which only works upon activating the Sonicare App, the Diamondclean Smart has a BrushSync Mode Pairing, an intuitive technology that automatically coordinates the settings with the characteristics of the brush head. That means you can confidently use any type of brush head to attain the very teeth-cleaning results you want.

6. Design and Appearance

In terms of appearance, the FlexCare Platinum looks more standard and clinical than its DiamondClean Smart counterpart.

Generally speaking, both the Flexcare Platinum and DiamondClean Smart are designed with almost the same shape and size. However, there are many visible differences when it comes to button configuration, cleaning mode layout, and color options.

7. DiamondClean Smart Design and Look:

The Diamondclean Smart’s design is more integrated, smoother and sleeker. This electric brush only has two buttons on its faceplate: an ON/OFF button and mode & intensity
settings button. The brush’s handle face also comes with LED icons that represent 5 different brush settings, which make it easier for you to know the mode you are currently using.

8. Price:

Philips Sonicare Flexcare Platinum is cheaper than the Sonicare Diamondclean Smart electric toothbrush.

Note: Sonicare Platinum used to come with a UV sanitizer but nowadays it does not include it.

You are free to choose from DiamondClean Smart’s 3 main models which include the DiamondClean Smart 9300, 9500 and 9700. There is not much difference between the three Smart series models. The key difference is the number of brush heads that are included.

Shared Features

1. The Sonicare App

This is a great feature that defines how these two lines of toothbrushes help the users brush
their teeth using Bluetooth technology. The Sonicare app basically supports such features as location sensor, touch up, scrubbing sensor and pressure status.

With this app, you can know where to begin brushing, which parts need utmost attention and
where you’ve not brushed yet. If you’re a smartphone savvy individual, then you can use this app, together with the Sonicare electric brush series, to make your brushing experience more fun and convenient.

2. High-Efficiency Teeth Cleaning

Both the Philips Sonicare Diamondclean Smart and Flexcare Platinum boast of an electric handle and brush head that deliver superb brushing efficiency. You can actually remove plaque 100 percent or lean your teeth sparkling without expending much of your energy and time. After using these brushes for a week or so, you’ll start noticing there’s a big difference between them and manual toothbrushes.

3. Customizable Brushing Modes

These lines of electric toothbrushes come with a range of customizable modes that can allow you to clean your teeth based on your unique circumstances and/or needs. You can enjoy such modes as Clean, White, Deep Clean, Health Mode and even Gum Health and Tongue Cleaning.

These modes can literally help clean and take care of any type of teeth and mouth cleaning. Their handles also offer 3 modes of intensity, which allow you to select one that’s comfortable and that can help you achieve maximum teeth cleaning.

4. Intelligent Pressure Sensor

This feature is designed to remind the user with a light up or vibration, when he or she is applying too much pressure on the gums. You can only imagine the kind of danger and risk you’re exposing yourself to when you damage your gums and are using an electric toothbrush. So the pressure sensor ensures the pressure on the teeth and gums is well balanced during brushing thus eliminating this risk.

Philips Sonicare Flexcare Platinum Review

The Philips Sonicare Flexcare Platinum Connected Rechargeable Toothbrush with UV Sanitizer boasts of a superb Bluetooth technology that features such components as a timer, pacer and Touch Up options that can help you manage and improve your brushing habits hassle-free.

On the other hand, the Diamondclean Smart is a bit more sophisticated in terms of design features and extras. It shares the same features as the FlexiCare Plus but comes with additional fancy features such as

  • more brush heads,
  • more color options and
  • premium travel case.
  • More brushing modes

The DiamondClean Smart also offers a range of comprehensive smart pairing of brushing modes to the brush head you want to use.

The Flexcare Platinum basically comes with a white handle, white brush head and silver faceplate with
a stitching embedded design. The face-plate mainly features a power button, LED lights (for showing different brushing modes and battery status) and a special button for changing brushing modes and intensity settings.

The Sonicare Flexcare Platinum connected features 3 cleaning modes: the daily clean, the deep clean and whitening modes. However, It lacks the polish, gum care and the sensitive modes when compared to the Philips Sonicare Diamondclean.

The Platinum comes with a travel charger in addition to the Travel case . It also comes with the UV Sanitizer helps keep bacteria far from your brush-head.

Additionally, a lot of clients who have reviewed this Flexcare Platinum with uv sanitizer have positively praised it saying that their dental health has greatly improved, they have gotten rid of more plaque from their teeth and more so their teeth have whitened.

Key Features:

And here is what makes this toothbrush great: The Philips Sonicare Flexcare Platinum features nine brushing options that allow you to choose from white, gum care or clean cleaning modes or even high, medium or low-intensity modes that ensure a comfortable brushing experience.

  • The HX9110/02 delivers 31000 brush strokes in one minute by using the Sonicare’s patented technology that also drives fluids deep along the gum line and also the tight spaces that are between your teeth.
  • It has a recharge indicator that reminds you when the toothbrush needs to be charged.-Since you may not need to recharge it for three weeks, you may not need its charger for a while. However, it comes with a travel case, a hygienic travel cap, a multi-voltage charger for convenience.
  • it features a quad pacer, a timing feature, that tells you when the time comes to move to another quadrant of your mouth.
  • it also has a smart timer, its automated inbuilt timer that helps you to reach that dentist-recommended time of two minutes as you brush your teeth.
  • it features a pressure sensor alert that warns you when you are brushing too hard.
  • It features long bristles that reach in between your teeth and a head that removes up to 7 times more plaque between the teeth than most manual toothbrushes.
  • Its reminder bristles usually fade from blue to white to remind you that it is time to change the brush heads.

After you charge it for 24 hours, the HX9110/02 will allow you a 3-week continuous use, after two minutes of brushing, twice in a day.

Disadvantages :

A few customers who have bought the Platinum toothbrush have complained that:-The hx9112/02 is relatively expensive and it has a bit low battery life of 13 months.

Philips Sonicare FlexCare Plus Review

The Philips Sonicare FlexCare+ sonic electric rechargeable toothbrush has been clinically demonstrated the ability to improve the health of your gums in just two weeks. This is because it washes along the gum lines stimulating the gums while removing plaque.

The FlexCare+ hx6921/04

We have reviewed over 1200 customer reviews and here is what we came up with.

  • Flexcare Plus hx6921/04 Rechargeable Electric Toothbrush uses a sonic technology that works by driving fluids to stimulate your gums to fight plaque.
  • It can clean with up to 31,000 brush strokes in one minute. These multiple strokes drive fluids into the compact spaces of your teeth and the gum line making your teeth to have less inflammation, cleaner, and healthier.
  • It has a UV sanitizer that effortlessly cleans the toothbrush to eliminate all the bacteria in 10 minutes. The UV sanitizer is affixed to the main stand in a way that enables easy cleaning and organization of your toothbrush. The hx6921/04 sanitizers that can eliminate up to 99% of viruses and bacteria away from the brush peak and out of the mouth.
  • The FlexCare Plus Li-ion battery can last up to three weeks after a 24-hour charge.
  • The hx6921/04 comes with a sturdy travel case, a travel charger, and two travel caps.
  • It has a refresh mode that you can use for touch-up cleaning and quick cleaning in between regular teeth brushings.
  • It features a sensitive mode that is extra mild for those individuals with sensitive teeth or even new users.-it features an illuminated display that lets you know which mode you are on, when it is turned off, its display becomes invisible too, giving the brush a sleek, clean look.
  • The flexcare rechargeable design gives you up to 3 weeks of power just on one charge.
  • The flexcare has a stylish new look that is quite appealing.
  • You get one year guarantee.


Some of the few things customers who have used Flexcare+ have claimed that flexcare plus has a low battery life of up to 18 months.

5 Cleaning Modes:

The Sonicare toothbrush flexcare has five modes of brushing that should cater for your dental needs and style. They range from:

  1. Clean mode: the Philips Sonicare Flexcare Plus hx6921/04 clean mode is the one most commonly used. This ensures that you regularly brush for 2 minutes as recommended by dentists. The hx6921/04 clean cleaning mode is ideal for complete full mouth cleaning
  2. The Philips flexcare plus Gum Care mode: this is mostly recommended for people with gum sensitivity. In addition to the dentist recommended 2 minutes cleaning, you get an extra 1 minute for gentle cleaning along the gumline. The flexcare plus features a gum care mode that is suitable for enhancing the health of your gums. This is the case because it gives you two minutes of complete full mouth cleaning followed by one-minute gentle cleaning the gum and other problem areas. This model promotes the gum health by decreasing recession, inflammation and even bleeding.
  3. Refresh Mode: This is for those on the go. In case you have no time to complete the dentist recommended 2 minutes cleaning, you can hit the refresh mode and you teeth cleaning will be over in just a minute.
  4. Sensitive Mode: This is tailored for those with sensitive teeth. You gentle brush strokes with this.
  5. Massage mode: This gives you gentle round motions that massage your mouth. The Philips Flexcare features a massage mode that improves your gum health by driving fluids into the teeth to stimulate the gums and fight plaque.

Overall Verdict:

As you can see, the Flexcare Plus is packed with unmistakable qualities that will no doubt increase the general health of your teeth and also whiten your teeth. You will not only save on reduced dentist appointments but your confidence will get a boost due to the whitened radiant teeth. It should, therefore, come as no surprise that I recommend the Sonicare FlexCare+.

Which is better, Philips Sonicare Diamondclean Smart or Sonicare Flexcare Platinum Connected?

Both the Philips Sonicare Flexcare Platinum Connected Rechargeable Toothbrush and the DiamondClean are great electric toothbrushes you can buy. However, while contemplating on which line of the brush is best for you, you need to consider the special features, price and convenience of use. Each of the lines has its own strengths and drawbacks. So you need to find one whose advantages overweigh the disadvantages. Otherwise, the two products can be worth your investment.

Price Comparison

Philips Sonicare Flexcare Platinum Connected Rechargeable Toothbrush, WhitePhilips Sonicare DiamondClean Smart 9700 Rechargeable Electric Power Toothbrush, Lunar Blue, HX9957/51
Sonicare Flexcare PlatinumSonicare Diamondclean
-3 modes
-2 brush heads
-USB plus cable charger
-Standard travel case
-No brush sync feature
-5 modes
-8 brush heads
-USB plus glass charger
-Charging travel case
-Brush head mode pairing feature
Check it out!Check it out!

Philips Sonicare Flexcare Platinum vs Diamondclean Smart, which is the best electric tootbrush?

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