Contacts Backup + is the easiest way to backup and restore your contacts all from your phone without needing a computer or synchronization.
You can backup all your contacts with a single touch and send yourself as a .vcf attachment via email.

All contacts can then easily be restored any time by simply opening .vcf file in your mailbox.

Key Features:

•Offline Backup. No need to sync to any server. Just email the backup file to yourself.
•Easy restore. No need to any app to restore backup file. Just tap on the *.vcf backup file in the iPhone, iPod Touch or iPad mail client.
•Easily transfer contacts between iOS Devices using just email client.
•Save backup file to your computer via iTunes File Sharing feature.
•Backup Contacts as VCF (VCard) file
•No ads.