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Notes from the designer4 min read

Void Calendar vs Trello

The card is in progress, but is there time today?

Void Calendar

Trello’s board is easy to understand: work to do, work in progress, then move a card right when it is finished. For a group assignment, everyone can see who is researching and who is preparing the presentation.

I also ask whether a card moved into “In progress” has actual time in today’s calendar.

In short: When several people move a project forward together and need to see progress at a glance, Trello’s board is clear and effective, so keep the team’s collaboration there. If you want to break your own part into concrete steps on a Mac, give each one a note, and let your own AI place them into the free time in your day, your personal plan can live in Void Calendar.

At a glance

Void CalendarTrello
PlatformsmacOS (Apple silicon), public betaWeb, Mac, Windows, iOS, Android
PriceFree with every feature; Pro sync not on sale yetFree plan; Standard US$5/user/month billed yearly
AI schedulingYour own model and API key; fits tasks into free timeSmart Schedule suggests focus time (paid plans)
Calendar connectionsApple Calendar and Reminders, Google, iCloud; Outlook plannedPlanner connects Google and Outlook calendars
Tasks & notesEvery task has a note with [[ ]] linksCards with descriptions, attachments, checklists
Where data livesOn your Mac; no company cloud copyCloud boards shared with members

Competitor details checked October 8, 2026; see their official sites. Void Calendar is in public beta.

Shared progress is Trello’s strength

Cards hold descriptions, attachments, and checklists, with members maintaining status together. That is more direct than repeatedly asking for updates in a group chat.

Example board from Trello’s official guide. Source: Trello 101.

Building Void Calendar does not mean every team should leave its board. Keep a collaboration method that works.

A presentation still needs smaller working steps

A group report needs research, discussion, slides, and rehearsal. One card can communicate the whole deliverable. Starting your own part requires a more specific instruction.

Void Calendar breaks work into related tasks with a dependency graph. Each has a corresponding note for instructions, references, and discussion records. Completing the prerequisite opens the next step.

I want to schedule work such as “review three sources,” then start directly when that session arrives. Attempts and mistakes can stay with the task and inform later work.

Trello can schedule time too

Planner and Smart Schedule can link cards to focus time and offer AI proposals to accept or adjust. Power-Ups and automation extend the workflow further. See Planner and Power-Ups.

Void Calendar focuses on my whole day: classes, personal plans, Ideas, tasks, notes, and the AI I choose to work with.

“Learn photography” can stay an Idea, while a committed course report becomes project tasks and scheduled sessions. They need different states and different levels of commitment.

Which one fits

Choose Trello if:

  • You share a board with classmates or colleagues and need to see who is doing what.
  • You rely on Power-Ups and automation to connect the board to other tools.
  • Your team works across Windows, phones, and the web and needs one shared place.

Choose Void Calendar if:

  • You’re planning your own whole day, mainly on an Apple silicon Mac.
  • Your part of the work needs ordered steps, each with its own note.
  • You want AI on your own model and API key to fit tasks into free time.
  • You want undecided ideas to wait in Ideas instead of crowding your task list.

A team’s shared progress and your personal daily plan can have different homes. I want them to fit together and make starting the work easier.

Read why Ideas and tasks are separated.

Sources checked October 8, 2026: Trello pricing, Trello platforms, Planner, Power-Ups, and Trello 101.