To reach true OS agnosticism 6Wunderkinder, however, relied on HTML5 -- which makes porting an app easy, but comes with its own drawbacks, including lackluster performance. (Just ask Mark Zuckerberg.) With the revamp, Wunderlist 2, the task management platform now has truly native apps for Android, iOS, OS X and Windows to compliment its web site.

ENGADGET: Wunderlist 2 debuts, ditches HTML5 for native apps on Android, Windows, iOS and Mac

With OS X, Apple has a base of stable, Unix-based code, making it easy for Apple to plop down small improvements on a regular basis.

FORBES: Why Apple Could Unleash A New OS X