I am having a confusion in choosing either Mendeley's Free version or to go ahead and purchase a paid Papers 2 application. - Mendeley's free version is limited to 1Gb of storage space while Papers 2 have unlimited space. - I prefer Papers pdf display quality on screen compared to Mendeley or even (Sente). - The whole point of having a reference manager is to store all my research papers (organised and neat) on my Mac. I will also be using the application to write some papers in the near future. I don't know how the other users of Mendeley or Papers have made a decision to choose either one and it will be useful if you could share it with me. It would certainly help me in selecting one. Thanks for your attention and time.