Contacts Master - Backup&Clean at Mac App Store analyse

Contacts Master is the most powerful and 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 tap and send it to yourself as a .vcf/.xlsx/.csv attachment via email,or save to a file,or share with other people. All contacts can then easily be restored any time by simply opening the .vcf file in your mailbox. Key Features: ○ Offline Backup. No need to sync to any server. Just email the backup file to yourself,or save to a file,or share with other people. ○ Easy restore. No need to use any app to restore backup file. Just tap on the *.vcf backup file in the iPhone, iPod Touch or iPad mail client. ○ Export your address book to VCARD(.vcf),Excel(.xlsx),CSV(Comma-Separated). ○ Restore contacts easily from any iOS device! ○ Find duplicate contacts and delete all from your phone.