rabbit.reviews65Consensus score
How strongly 0 sources agree — expert labs and real owners, with community voices weighted heavier. Not one reviewer’s opinion; the pattern across all of them.
Buy it if
- Most advanced pressure and motion sensors in the Sonicare lineup
- Deep app integration with real-time brushing guidance
- Premium build quality and design
Skip it if
- Very expensive at ~$380 retail
- Most people won't use the advanced smart features enough to justify the price
- Replacement brush heads remain costly
What owners love
- Most advanced pressure and motion sensors in the Sonicare lineup
- Deep app integration with real-time brushing guidance
- Premium build quality and design
- Multiple brushing modes for every oral care need
The recurring gripe
- Very expensive at ~$380 retail
- Most people won't use the advanced smart features enough to justify the price
- Replacement brush heads remain costly
The bottom line
At $380, this is a hard sell for most people, but if you're serious about your oral health and want the most data-rich brushing experience Sonicare makes, the 9900 is it.