Remove duplicate contacts -- Support backup and merge now! 4.3

Contacts-- application offers a variety of functionalities including the ability to promptly backup your address book, eliminate duplicate contacts, and consolidate related contacts.

It achieved high rankings in various regions in March 2012:

• Ranked as the top overall app in France, Belgium, Madagascar
• Ranked fourth overall in Mali, Senegal, Tunisia
• Ranked first in productivity in Hong Kong, Taiwan
• Ranked sixteenth in productivity in the United States

Here are some reviews from users:

• "Very convenient and efficient." - Holly Lecl.
• "Simple and worked in seconds! Been having all kinds of problems because of duplicate contacts. This app deleted 8,247 duplicates within 2 minutes of downloading. Great app and simple." - G. House MD
• "Simple & easy! Loved the simple and easy design to clean up my duplicates!! Thank you!" - Sara Ranfeld
• "Great! Me and my wife share the same iTunes account so our contacts are merged. This app is perfect to quickly delete contacts rather than deleting my wife's numbers one by one." - Nicky
• "Fantastic app! Does what it says, no frills, no tricks, just works!" - Prasanna Ramachandran

Key Features:

• Support for backing up and restoring the address book
• Automatically delete duplicate contacts
• Merge related contacts seamlessly
• Manual deletion and merging of contacts supported</<]
• Option to save backup locally or export via email
• Intelligent detection of duplications and related contacts
• Merge contacts using various criteria like photo, name, company, job title, phone number, email, URL, address, birthday, social profiles, instant messages, and notes</<]
• Compatible with multiple contact sources such as iCloud, Facebook, Gmail, Yahoo!, and Exchange</<]
• Cross-device compatibility with iPhone and iPad support</<]