What is Saint? One phone number that works as your personal secretary. How do I start? Just text me like you'd text a person. How do I save Saint to my phone? Open sa-nt.com/saint.vcf on your phone and add the card — I land in your contacts like a person, with my number and name, so I'm one tap away in WhatsApp and your dialer.. What can I actually ask for? See the full, honest list of what I do today on the product page — sa-nt.com/product.