What are some alternatives?
When comparing X-Transfer and Lucky Patcher, you can also consider the following products
Save contacts - Save contacts app provides features through which users can select the desired data to create the backup in a variety of different formats.
Cheat Engine - Cheat Engine is an open source memory scanner/hex editor/debugger for Windows.
My Contacts by Captain Tushar - My Contacts is an app by Captain Tushar that comes up with features to help you in managing your contacts list so you can effortlessly delete or edit existing contacts.
oandbackup - Make backups of selected apps on your device and restore from those backups.
Contacts VCF - Contacts VCF app enables users to import contacts to the phone’s internal storage or to other storage devices to backup them.
leo playcard - This app is used to hack in app purchases