Todoist and TickTick are the two most popular cross-platform to-do apps that are not tied to a specific ecosystem. Todoist is the minimalist choice — clean design, natural language date parsing, and a karma system that gamifies productivity. TickTick packs every feature imaginable — calendar view, habit tracker, Pomodoro timer, Eisenhower matrix, and notes — into a single app.
Todoist’s simplicity is its strength. Adding tasks with natural language (“buy groceries tomorrow at 5pm #personal”) creates a scheduled, categorized task in seconds. The interface never gets in your way. The karma system provides motivation through streaks and levels. But if you need a calendar view, habit tracking, or built-in time management, Todoist requires third-party integrations.
TickTick does everything. The calendar view shows tasks alongside events. The habit tracker builds routines. The Pomodoro timer focuses work sessions. The Eisenhower matrix prioritizes. But the app feels cluttered compared to Todoist, and some users will never touch half the features.
Verdict: Todoist for people who want a focused task list that does one thing perfectly. TickTick for people who want an all-in-one productivity system. At $4/month, you can afford to try both.