Expert Reviews100
The DiamondClean 9000 is a top-tier electric toothbrush that delivers an excellent cleaning performance and impressive battery life, earning it a Best Buy award.
Philips Sonicare DiamondClean 9000
4 expert reviews#2 in electric toothbrushesChecked 1 Nov 2026
Quick answer
The Philips Sonicare DiamondClean 9000 has a critic score of 86 out of 100 from 4 professional reviews, and 4 of them recommend it. It ranks #2 of 5 electric toothbrushes we score. Critics praise its performance and battery life. The most common complaint is missing features.
Reviews checked 1 Nov 2026
Image: PhilipsPremium Sonicare
Our verdict
4 professional reviewers tested the Philips Sonicare DiamondClean 9000, and 4 recommend it. Critics praise its performance and battery life. The most common complaint: missing features.
The catch: No real-time brushing feedback, and pricey heads.
Critic agreement: Low
Scores run from 70 to 100
Early score: only 4 professional reviews so far. Expect it to move as more reviews come in.
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What do critics say about the Philips Sonicare DiamondClean 9000?
Tech Advisor90
The DiamondClean 9000 is a highly effective and powerful toothbrush with excellent accessories, though its companion app is limited in its ability to actually improve brushing technique.
Good Housekeeping85
The Philips Sonicare DiamondClean 9000 is a highly recommended travel toothbrush, praised for its effective cleaning modes, long battery life, and convenient USB-charging travel case.
TechRadar70
The DiamondClean 9000 is a highly effective and well-built toothbrush that excels at cleaning, but its smart features are limited and lack the real-time feedback found in similarly priced competitors.
Scores are converted to 0–100. "est." means the outlet gave no number, so we estimated one from its verdict. How we score
What critics praise most
Performance3 of 4
Battery life2 of 4
Design2 of 4
What critics dislike most
Missing features2 of 4
Price2 of 4
Alternatives
Not sure about the Philips Sonicare DiamondClean 9000?
Image: Oral-B
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Image: PhilipsCommon questions
Is the Philips Sonicare DiamondClean 9000 worth it?
Most critics think so: 4 of 4 recommend it. No real-time brushing feedback, and pricey heads.
What do critics dislike about the Philips Sonicare DiamondClean 9000?
Missing features (2 of 4 reviews), Price (2 of 4 reviews).
What is the best alternative to the Philips Sonicare DiamondClean 9000?
The Oral-B iO Series 9 (critic score 86), most features.