Duo doesn't require a Google account. From the article: > Duo is simple from start to finish. To get started, all you need is your phone number and you’ll be a

Duo doesn't require a Google account. From the article: > Duo is simple from start to finish. To get started, all you need is your phone number and you’ll be able to reach people in your phone’s contacts list. No separate account is required, so you can sign up in just a few steps.