Tech Giant Google unveiled its AI-based virtual assistant app called Google Assistant back in 2016. The virtual assistant initially was the part of Pixel smartphones. Later the company started rolling out the app for other Android and iOS devices as well. While Android smartphone comes with pre-installed Google Assistant app but that's not the case with iPhones and iPads. Users need to download and install it via Apple's App Store. In case you are wondering on how to download, setup and use the Google Assistant instead of Siri, here's our ready-to-use guide.