No you won’t. You can safely purchase 2Do from the Mac App Store and overwrite the trial version without any data loss. The database for 2Do is stored in central location, accessible to any version of 2Do installed.
Article ID: 574
Created On: Sat, Nov 17, 2012 at 8:12 PM
Last Updated On: Sat, Nov 17, 2012 at 8:12 PM
Online URL: https://www.2doapp.com/kb/article/will-i-lose-my-tasks-if-i-upgrade-from-trial-to-paid.html