The app will automatically update your information on other people’s devices when you update your details, and it will update your contacts directory when other people’s details change. Ĝreate & exchange your beautifully branded digital business cards with the people you meet.Scan the paper business cards you get – use it as a business card reader And.Haystack is your complete digital solution for business cards – including a business card scanner. Recipients can view & save your digital business card without installing the app!.Ğasily share your digital business cards via email, text, VCF, vCard, NFC & social media.Ĝreate your new digital business cards in seconds (create as many as you’d like).Haystack is completely free! Unlimited scans, full featured, and no ads… forever!