Duplicate Contact Merger & Remover has the following options:
After merging the contacts it offers the option to synchronize it with your contact book, so when you synchronize all merged contacts will be deleted and the newly created contacts will be saved in the directory.
+ Duplicate contacts (where all contacts are the same): Here the application removes duplicate contacts.
+ Similar phone number (only phone number in all similar contacts): Here, the application merges the contacts and creates a single contact.
+ Similar name (the name of all contacts is similar): Here, the application merges the contacts and creates a single contact.