This app is combination of Duplicate Contacts Merger and Duplicate Contacts Remover and it's a complete contacts manager application for Android. Its Contacts optimizer which manage contacts and makes your phonebook clean, light, smart and user friendly and So manage contact using Duplicate Contacts Merger and it's free.Main functionalities of this Contacts Optimizer app:1. Remove duplicate contacts ( Duplicate Contact Remover )2. Merge duplicate contacts ( Merge Duplicates )3. Merge contacts with similar phone number4. Merge contacts with similar name5. Delete contacts with no name, number, email or unused from long time6. Take phonebook backup and convert contacts to vcard / vcf file7. Backup contacts and share on gmail, yahoo, outlook, etc.How app works or how to manage contacts ?1. App read complete address book and take backup of all contacts.2. Find duplicate contacts, contacts with similar name, phone number and email3. Show user option to merge duplicate contacts, merge contacts with similar name, phone number and email.4. Save merged contacts to phonebook, this will make changes in your phonebook, remove duplicate contacts and add merged contacts.How it can help you?A. Transfer contacts from old phone to new phone. How ?1. Take contacts backup in vcf file2. Share vcf file on gmail (any email)3. Download vcf file on new phone4. Open vcf file and restore contacts. It all needs 10 minutes.B. Cleanup Contacts1. Find duplicate contacts2. Delete duplicate contacts or Remove duplicate Contact by linking two or more duplicate contacts3. Optimize contacts with duplicate numbers within same contact4. Remove unused contacts5. Save merged contacts to phone bookC. Export Contacts1. Take regular backup for your contacts ( address book backup )2. Share contacts backups and you can get all your contacts within 5 minutes, whenever you need.E. Duplicate Contacts Remover ( Remove Duplicates )1. Find phonebook contacts with similar name / phone number and email2. Auto merger or selective duplicate contacts merge3. Save Merged contacts and all your duplicate contacts will be removed from address book. All functionalities of application are free and pro version is only to remove ads from application.For merging duplicate contacts following options available:1. Duplicate Contacts (where all contacts are identical) : Here app deletes duplicate contacts.2. Similar Phone number (only phone number number in all contacts similar) : Here app merges contacts and make a single contact.3. Similar Name (name in all contacts are similar) : Here app merges contacts and make a single contact.4. Inside Duplicates (Same number is stored two times in one contact) : Here app removes other numbers within contact.5. Duplicate Email (Same email id in all contacts) : Here app merges contacts and make a single contact.After merging contacts it provides option to sync it with you contact book, so when you sync all merged contacts will be removed and newly created contacts will be saved in phonebook.Using this app, you can fix your address book easily.Important note: 1. Please make sure that you review all duplicates and backup your contacts before activating the sync option.2. Different phones have different implementation of contacts due to different manufacturer and Android version. If the application is not showing your contacts or contacts reappear after deleting or merging, please let us know what phone you are using and what accounts you have. We will be happy to support it for you.App needs following permission to work properly:1. Call Phone No: To call from Contacts2. Send SMS: To SMS compose screen from contact3. Modify & Read contacts: For merge & delete process4. Internal storage & SD card read/write: To store contact backup5. Account access: To store contacts into phonebook6. Network (Internet) access: For share functionality and checking for app updates, this permission required