Does Voalte support the Apple Watch?

Voalte Me notifications are supported on the Apple Watch.

Voalte Me notifications on the Apple watch are expected to behave similarly to notifications for other applications. All notifications that are delivered through APNS should come to the watch when paired correctly. Voalte does not currently support any special Apple Watch functionality beyond being able to respond to an alert (requires 3.7 server). 

For details on how the Apple watch handles notifications when paired, please read this article from Apple: https://support.apple.com/en-us/HT204791.