Question 1

Which is better, Philips Sonicare DiamondClean 9000 or AquaSonic Black Series?

Accepted Answer

Based on our testing, the Philips Sonicare DiamondClean 9000 scores higher overall at 9.3/10. The Philips Sonicare DiamondClean 9000 scored 9.3/10 and the AquaSonic Black Series scored 9.1/10 in our Best Sonic Toothbrushes 2026 evaluation.

Question 2

Is the Philips Sonicare DiamondClean 9000 worth it over the AquaSonic Black Series?

Accepted Answer

The Philips Sonicare DiamondClean 9000 scores 9.3/10 while the AquaSonic Black Series scores 9.1/10. The Philips Sonicare DiamondClean 9000 is our "Best Overall" pick in the Best Sonic Toothbrushes 2026 category.

Philips Sonicare DiamondClean 9000 vs AquaSonic Black Series: Which to Buy?