Capacities vs Sunsama: Comprehensive Comparison

Francesco
Francesco
Francesco
Francesco

2

minutes reading
January 5, 2026

Capacities vs Sunsama: Knowledge Management vs Daily Planning

Capacities is an object-based knowledge management system with AI and networked thinking. Sunsama is a focused daily planner combining tasks, calendars, and guided planning rituals for productivity.

Feature

Capacities

Sunsama

Primary Focus

Knowledge Management

Daily Planning

Starting Price

Free, Pro $11.99/mo

$16/mo annually

Best For

Personal knowledge base

Time-blocked planning

What is Capacities?

  • Object-based notes with custom types and bi-directional links

  • AI assistant for contextual queries and content generation

  • Visual knowledge graphs for discovering connections between ideas

  • Calendar integration with auto-creation from events and meetings

What is Sunsama?

  • Guided daily and weekly planning with time-blocking workflows

  • Calendar and task fusion with drag-and-drop scheduling

  • Focus mode with Pomodoro timers for deep work

  • Analytics on planned vs actual time for realistic planning

Feature Comparison

Feature

Capacities

Sunsama

Knowledge Graphs

Yes

No

AI Assistant

Yes

No

Time Blocking

Limited

Yes

Guided Planning

No

Yes

Calendar Integration

Yes

Yes

Focus Timers

No

Yes

Free Plan

Yes

No

Email Integration

No

Yes

Pricing

Capacities

Free: Basic features, storage limits

Pro: $11.99/month, AI features, unlimited storage

Sunsama

Single Plan: $16/month (billed annually)

Trial: 14-day free trial available

Key Considerations

Choose Capacities If:

  • You want to build a personal knowledge base

  • You need AI-powered content assistance and queries

  • You prefer networked thinking over linear planning

Choose Sunsama If:

  • You need structured daily planning with time-blocking

  • You want to consolidate tasks from multiple apps

  • You prefer guided workflows and focus sessions

Verdict

Capacities excels for knowledge workers building interconnected personal databases with AI assistance. Sunsama is superior for professionals needing structured daily planning with time-blocking and productivity workflows.

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7 days free with Aki. Cancel anytime.
Try Akiflow now for a 10x productivity boost
7 days free with Aki. Cancel anytime.
Try Akiflow now for a 10x productivity boost
7 days free with Aki. Cancel anytime.