This app is best way to quickly delete contacts from your address book and merge all the duplicate contacts automatically!
Moreover, you can backup and restore all your contacts directly from your iPhone!
-Delete multiple contacts of your address book at once
-Merge all the duplicate contacts of your address book with one tap
-Backup all the contacts of your address book with one tap
-Share backup files via text message, email, Dropbox, iCloud Drive, ..
-Restore contacts at any time directly from the app!
-Choose contacts to backup
-Choose contacts to restore
Compatibility with iOS 11