Fail
Tried both the free and the paid version. Of 300 contacts on the iPad, it consistently (at least its consistent) backed up and transferred 22 contacts. Interestingly, when inporting that same file into Outlook, it transferred exactly one contact (always the same one, too). Move on.
Change2 about
Contacts Backup & Transfer - Sync, copy and export your whole address book in vcard/vcf format