I love that you can use it both as an automated tool for all my emails or just specific ones if needed! The interface is easy enough so anyone could get used quickly without having any training required at first (at least not very in depth).
There are some other programs out there like mailchimp which also does what phraseee has done with great ease but pharsee offers more customization options such as different templates for each campaign etc.. If your looking into automation tools this one will definitely be perfect since its fairly affordable too!! It helps me automate many of our campaigns via autoresponders/automations from wordpress posts we send using their plugins ect...