Google Assistant is much popular for it’s easy and simple process flow. It is used in Google Home, Google Nest Hub, Google Smart Speakers, and other Android Devices. It allows vast vocabulary and robust functionality for users. On the other hand, Amazon’s Alexa is quite fast in terms of response time. It is comparatively quick and vulnerable to Google Assistant. Alexa used in Echo Show, and other Amazon’s smart devices. Both products have their cons and pros, so it’s all up to you.