Looking to manage your to-do lists alongside your schedule? aCalendar includes a dedicated tasks module that blends smoothly with your calendar views and provides a standalone widget. Here is how task management works and which cloud services are supported.

1

Core Features

The tasks module operates as an advanced sub-system inside aCalendar. It gives you multiple ways to organize your daily responsibilities:

✓

Full Calendar Integration

Tasks are shown directly on their due dates inside day, week, and month views. You can quickly add new items to any date or adjust whether completed tasks stay visible or get hidden.

✓

Flexible Sorting & Organization

Sort your lists alphabetically (A-Z), chronologically by due date, or manually. When using manual sort mode, you can also build multi-level subtasks to break down larger jobs.

✓

Advanced Options & Widgets

Includes support for timed tasks, recurring rules, and a dedicated, scrollable tasks homescreen widget to access your checkboxes instantly.

2

Supported Task Providers

Because aCalendar does not run its own servers, task synchronization relies on external cloud backends. The app integrates directly with these major providers:

Google Tasks

Synchronized directly through aCalendar using your Android device's main Google system account. Note: Google's official API does not support recurring rules or precise times for tasks yet, making those options incompatible with cloud sync.

CalDAV / Tasks.org

For custom servers (like Nextcloud, Owncloud, or Synology), aCalendar pairs seamlessly with the app Tasks.org. Synchronization is handled securely via DAVx⁵.

Microsoft To Do

Offers a basic, integrated synchronization module to connect and fetch tasks directly from your personal or business Microsoft accounts.

Local Tasks

Stored locally inside your phone's memory database. Includes manual import and export support using the standard VTODO file format. No cloud account required.

3

Incompatible Services

We frequently receive requests for integration with other Google productivity apps, but technical restrictions make syncing impossible:

Google Reminders & Google Keep: Google does not share or provide open programming interfaces (APIs) for these services with outside development teams. Because of this lock-in, third-party applications like aCalendar cannot read, display, or edit your Keep notes or classic Google Reminders.