Is there any plugin or method to make incremental backups for wordpress?

I need to make incremental backups for my website which it's based on wordpress. I know that some Host host controll panels do this like CPanel but assume that i do not have access to controll panel. I only have access to wordpress admin panel and i can install plugins. I have found some backup plugins for it. the best one which i have tested it is wpb2d. This plugin has this functionality but this feature is not free.

Please suggest me a plugin or mechanism to do this task.