Todoist offers Free Trial, but Spacetime does not.
Spacetime is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Todoist is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Todoist begins at $4/Month when Billed Yearly, while pricing details for Spacetime are unavailable.
Some top alternatives to Spacetime includes Todoist, When I Work, Time bot, Wrike, Smartsheet, HeySpace, KosmoTime, ClickUp, Teamline, TimeBot, TimeSync, Timezone.io and TaskBlast.
Some top alternatives to Todoist includes Trello, Wrike, Smartsheet, Teamwork, nTask, Microsoft To Do, Remember The Milk, TickTick, Any.do, MeisterTask, ClickUp and TasksBoard.