It allowed users to create lists to manage their tasks from a smartphone, tablet, computer and smartwatch.

[4] In 2009, Wunderlist's CEO Christian Reber called on the social network platform XING for business partners to create a new to-do app.

[6] Initially, the program was created for desktop PCs and platforms such as Windows, Linux and Mac OS X.

Subsequently, the developers released a version prepared for the iPad with the name Wunderlist HD.

[8] In July 2014, a new major update was released under the name of Wunderlist 3, with a new real-time sync architecture.

[13] Frustrated by the perceived lack of roadmap, in September 2019, Reber began to publicly ask Microsoft-related accounts on Twitter whether he could buy Wunderlist back.

[14] Shortly afterward, however, Microsoft unveiled updates to To-Do that make it more closely resemble Wunderlist.