The app can easily merge contacts, delete duplicates, share contacts, remove zombie contacts, create contact groups and even backup and store your address book online. You can batch delete, merge and share all contacts at once or selectively, as required. What’s more, the app takes a complete backup of your contacts so you can restore them easily. If you’re looking for a fast and efficient app which can manage and optimize the contacts on your phone. Tuneup Contacts is the only one you’ll need!