Clean,Merge Duplicate Contacts

Cleanup & Merge & Remove Duplicate Contacts is designed to clean up your address book.
*）Easy and fast to bulk delete contacts in iPhone Address Book.
*）This app can quickly remove any duplication and useless contact information (such as empty contact name, no phone number, no content, repeated phone numbers and email addresses).
*）This app can help you quickly remove multiple duplicate contacts, and detect duplicate contacts by name, phone number and email address.
*）Cleanup groups include no contacts, duplicate name and numbers in iPhone contacts.
*）This app allows you to back up contacts to CSV (Excel) and VCF (vCard) file before merging duplicate contacts, and ensure the security of your address book.
*）Particularly, before syncing with other accounts (Gmail, Yahoo, iCloud, CardDAV, Exchange Server), you can use this app to clean up duplicate and junk contacts in the local address book and Gmail/Yahoo accounts, to avoid generating duplicate information after synchronization. 
Features:
1.Bulk deletes multiple contacts in multiple address book accounts
2.Automatically detects duplicate contacts in multiple address book accounts
3.Automatically detects duplicate or junk information in a single contact
4.Detects duplicate contacts by name, phone number and email address
5.Bulk merges or deletes any duplicate or junk contacts in your iPhone or iPad
6.In-app backups contacts to Excel or vCard
7.Easily restores backup contacts
8.Manages multiple address book sources like iCloud, Gmail, Yahoo, CardDAV, Exchange, Facebook
9.Very fast and stable, successfully tested with over 8,000 contacts
Tech Support:
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