Octarine vs NotePlan

NotePlan and Octarine both keep notes and tasks as markdown files. The difference is how they organize your work: NotePlan by day, Octarine by project.

NotePlan is built around your calendar. Events, scheduled tasks, and daily and weekly notes sit side by side, so you can plan the day, time-block it, and write in the same place. It runs on Mac, iPhone, iPad, and the web, with built-in AI that includes voice transcription.

Octarine is built around writing and connected notes, with Tasks for project work: projects with their own task IDs, a list or board, subtasks, optional cycles, and saved filters. A checkbox in a note can become a task, and tasks link back to notes. It runs on Windows and Linux too, and costs $79 once instead of $99 a year. If your day runs from the calendar, NotePlan does that well, and Octarine doesn't try to.