At $4.99, BeamME Pro isn't the cheapest option to exchange your contact info, but it might be the most convenient. Since BeamME Pro integrates with any user's existing address book on any device, and you and your vCard recipients don't need to create usernames and passwords, it's a fast and efficient way to send and share your information from your phone.
Once you have BeamME Pro installed you can customize your vCard and start sending it via email or SMS to new or existing contacts. The app also lets you share the contact info of anyone in your address book (not just your info), which makes it painless to introduce friends or help a contact reach out to someone they may not have in their address book.
BeamME Pro also comes with a few extra features that you might like, including a contact feed for a complete history of all sent cards and the option to geo-tag new contacts for contact mapping.
A scaled down free version is also available in the app store.
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