Agenda vs Heptabase

Agenda is a date-focused note-taking application for macOS, iOS, and iPadOS developed by Momenta B.V. It organizes notes along a timeline linked to calendar events, combining note-taking with scheduling and task management. The app syncs via iCloud or Dropbox and supports rich text, attachments, tags, and collaboration.

Heptabase is a note-taking tool that visual note-taking tool that organizes notes on spatial whiteboards for learning and sense-making. It offers a paid pricing model.