Dewey vs Motion

SpecialistUnmatched flexibility for custom document databases and project workflows, but requires manual scheduling rather than automated time blocking.

Free / Open-sourceOpen-source personal AI assistant that runs on your own machine and works from chat apps

Stronger automated calendar time-blocking and habit defense, but lacks built-in comprehensive project management and native task boards.

SpecialistBeautiful cross-platform note-taking and task workspace, but lacks automated calendar scheduling and priority re-optimization.

SpecialistVisual timeline-based scheduling tailored for visual planners, but lacks deep multi-user project management and task dependency features.

Excellent multi-calendar sync and daily planning interface, but offers less automated rescheduling when priorities shift unexpectedly.

An AI personal mentor for goals, clarity, habits and personal growth

Better unified inbox and command bar for collecting tasks from anywhere, but lacks Motion's fully automated rescheduling AI.

Clean unified workspace combining tasks and notes seamlessly, but features less aggressive automatic calendar optimization algorithms.

Comprehensive all-in-one work platform with AI agents, but less specialized for autonomous calendar time blocking.

A personal assistant that knows you and acts before you ask

Advanced time-blocking and priority management algorithms, but features a simpler user interface with less polished project tracking.