Frequently Asked Questions What Philips Sonicare toothbrushes can I use with the app? The Philips Sonicare app is compatible with the newest Philips Sonicare Connected electric toothbrushes. Find out how to tell if you have one. Philips Sonicare Flexcare Platinum & DiamondClean Smart You can only use Philips Sonicare Flexcare Platinum Connected and DiamondClean Smart toothbrushes with the Sonicare app. This is a new product so just look for the Bluetooth symbol on the front panel of the package.