Why Google Assistant Can't Beat Siri for iPhone Users - Bloomberg

See the full article for a list of Assistant-on-iOS challenges

"Altogether, unless you are deeply in the Google ecosystem, using Google Assistant on the iPhone is a pain compared to Siri. Of course, over time, it is possible that Apple will open up more functionality to the Google Assistant. For now, however, Google Assistant on the iPhone does have one or two advantages over Siri, even for those in the Apple apps and services world. You can type into the Assistant. This is great for situations where you want to quickly get a task done without speaking out loud. And if you have a Google Home speaker, the Assistant on the iPhone integrates well with that device for controlling other connected home gadgets."

Why Google Assistant Can't Beat Siri for iPhone Users - Bloomberg