Snaptact allows you to add new contacts (or update existing) easily.
You can add contact with following methods.
1) Scan QR Code
2) Capture Business Card (this feature depends on a third party app, SnapBizCard, you need to have that app installed to use this feature)
3) Type contact details
To contact support, kindly send an email to firstname.lastname@example.org OR go to http://ideasquarelab.zendesk.com
Step by step instructions on how to scan business cards - https://ideasquarelab.zendesk.com/knowledge/articles/115003655529/en-us?brand_id=837089
-Login issue fix
Up to six family members will be able to use this app with Family Sharing enabled.