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”
“Set TimeZone” “List of TimeZones”
Search Tappecue in the Skills section of your Alexa App and link your account.
"Alexa, Ask Tappecue Thermometer to get temperatures"