Yes, it is compatible with Google Home and the Alexa app.

Google Home instructions.

Download Google Assistant from the Play Store for Android or the App Store for iOS

Link your account following the instructions in the link from google.

“Ask Tappecue Thermometer to Help Me” to login.

 “Ask Tappecue Thermometer my temperatures”

“Get Current Sessions”    

“Get TimeZone”

“Set TimeZone” “List of TimeZones”


Alexa instructions.

Search Tappecue in the Skills section of your Alexa App and link your account.

Then simply 

"Alexa, Ask Tappecue Thermometer to get temperatures"