Philips Sonicare DiamondClean Smart 9300 Rechargeable Electric Toothbrush
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- 62,000 brush movements per minute with Sonicare Fluid Action
- 4 modes (Clean, White+, Deep Clean+, Gum Health) and 3 intensities
- Bluetooth Sonicare app gives real-time feedback on pressure, motion and coverage
- Pressure-sensor light ring, BrushPacer, SmartTimer and head-replacement reminder
- Up to 14 days per charge; includes 2 brush heads, travel case and charging glass
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About the Philips Sonicare DiamondClean Smart 9300 Rechargeable Electric Toothbrush
The Philips Sonicare DiamondClean Smart 9300 is a rechargeable sonic toothbrush with app connectivity. It delivers 62,000 brush movements per minute and uses Sonicare Fluid Action to help drive fluid between teeth and along the gumline. Four modes (Clean, White+, Deep Clean+ and Gum Health) each come with three intensity levels, giving you 12 brushing settings to choose from.
Over Bluetooth it connects to the Sonicare app on compatible iPhone and Android phones, where you can get real-time feedback on pressure, motion and coverage, track your habits over time and receive personalized tips. On the handle, a pressure sensor ring lights up and the brush gives a pulsing vibration when you press too hard, while the BrushPacer and SmartTimer help you pace your brushing. A reminder tells you when to replace the brush head.
The lithium-ion battery lasts up to 14 days between charges. In the box you get the handle, an A3 All-in-One and a C3 Premium Plaque Control brush head, a travel case, and a charging base with glass and stand. Philips covers it with a 2-year limited warranty.
What reviewers say
Electric Teeth, which tested the closely related DiamondClean Smart 9500, rates the line highly for its thorough, quiet clean, premium build, long battery life and live app tracking of where you have brushed, while noting it has more features than most people need. The downsides raised are the high price and pricier smart replacement heads, the lack of a phone stand so you have to hold your phone to follow the app, and a handle with little grip and a fairly dim pressure light.
Pros
- Thorough, comfortable clean
- Live app tracking shows which areas you've brushed
- Battery often lasts two weeks or more
- Premium build with a charging glass and travel case
Cons
- Expensive, with costly smart replacement heads
- No phone stand, so you hold your phone to follow the app
- Handle has little grip and the pressure light is dim
Our summary of professional and shopper reviews published elsewhere (Electric Teeth (DiamondClean Smart review), plus Philips.com owner reviews), as of Oct 10, 2026. These are not reviews of PAPA YES.
Key specs
| Brand | Philips Sonicare |
|---|---|
| Model | HX9903 (DiamondClean Smart 9300) |
| Brush speed | 62,000 brush movements per minute |
| Modes | 4 (Clean, White+, Deep Clean+, Gum Health) |
| Intensities | 3 (low, medium, high) |
| Run time | Up to 14 days per charge |
| Battery | Rechargeable lithium-ion |
| Pressure feedback | Light ring plus vibration and pulsing sound |
| Timer | BrushPacer and SmartTimer |
| Connectivity | Bluetooth, Sonicare app (iPhone/Android with Bluetooth 4.0+) |
| Brush heads included | 1 A3 All-in-One, 1 C3 Premium Plaque Control |
| Accessories | Travel case; charging base with glass and stand |
| Voltage | 100-240 V |
| Warranty | 2-year limited |
| Category | Beauty & Personal Care |
| Term | 52 weekly payments |
| Weekly payment | $3.56 |
| Total cost | $185.21 in store credit |
| Availability | In stock |
| SKU | philips-sonicare-diamondclean-smart-9300-ffe899 |
