Mac Platform: Intel
OS version: 10.10 or higher
GTD?, XYZ and everything in between - it can handle it all. Seriously.
2Do lets you take a completely different approach to managing your tasks. With its extremely simple-to-use interface and a comprehensive and flexible set of powerful features, it lets you focus on what's most important to you: your life. There is no wrong way of using 2Do, and unlike other to-do apps, it won't force you in adhering to a particular task management methodology.
More info: https://itunes.apple.com/us/app/2do/id477670270?mt=12