Frequently Asked Questions Can I pair my Philips Avent smart thermometer with other apps? The Philips Avent smart ear thermometer is designed to interact with the uGrow app. It might not work as well if you pair it with other apps. Technical issues We advise not to pair the Philips Avent smart ear thermometer with third party apps. Use of the thermometer with third party apps can cause technical issues and temperature readings can be lost.