It’s a tie. Here’s why: When it comes to task management, it’s hard to beat the tactile satisfaction of moving Trello’s cards from column to column. The kanban-centric approach Trello takes to task management makes it a straightforward option for many teams.
However, Trello’s simplicity can be a trap of sorts. Complex projects will suffer from Trello’s lack of automation capabilities and organization on the scale of Jira’s. The complexity trade-off here is one to be carefully considered before picking one management tool over the other.