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Best apps

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Things

Todoist

TickTick

Microsoft To Do

To-do lists help you remember tasks, prioritize them, and generally keep track of your work and life. Whether it's work assignments, books you want to read, or groceries you need to pick up, you won't remember them if you don't write it down.

The 6 best to-do list apps for iPhone in 2025

When your team is busy collaborating in Slack, you might find a couple to-do items that need your attention at a later time. Set up this Slack-Things integration and whenever a new message is saved in Slack, Zapier will automatically add a new to-do in your Things inbox. 

Slack

Add saved Slack messages to Things as to-dos

When working through your email inbox, you might find follow-up tasks that need your attention. Use this Zapier integration to automatically create a new to-do in your Things inbox whenever a new email in your Gmail inbox is starred. 

Gmail

Create Things to-dos from starred emails in Gmail [Business Gmail Accounts Only]

Got a lot on your hands? We can help make things less overwhelming for you with this integration. After set up, new Google Tasks will generate to-dos in Things. Everything you need done, on both the platforms you use.

Google Tasks

Create to-dos in Things from new Google Tasks

Do you need a task to correspond with your new Google Calendar events? This Google Calendar Todoist integration makes it easy to automatically create a new tasks for each new Google Calendar event.

Google Calendar

Add new Google Calendar events to Todoist as tasks

Tired of managing your to-do lists across multiple apps? Rather than having to add the same task to multiple lists, use this integration to automatically add each new Google task to Todoist. 

Add new Google Tasks to Todoist as tasks

If you find yourself using your inbox as a to-do list, there's a better way. With the help of this Zap, any time you star an email in Gmail, it will automatically create a to-do item for you in Todoist.

Add new starred emails to Todoist as tasks [Business Gmail Accounts Only]

Turn calendar events into tasks with this integration. When active, it creates a task on Microsoft To-Do for each new event added to your Google Calendar. So, if you accept an invitation for a meeting, that meeting will show up as a task on Microsoft To-Do. Simplify your life and better plan your day with this automation.

Create tasks on Microsoft To-Do from new Google Calendar events

This integration adds new tasks in Google Tasks to Microsoft To-Do.

Add new tasks in Google Tasks to Microsoft To-Do

Using Microsoft To Do to record tasks, but having trouble fitting them into your day? This integration creates a Motion task whenever a new task is added in Microsoft To Do.

Motion

Add new Microsoft To Do tasks to Motion

Want to manage your to-dos and events in TickTick at the same time? This integration will automatically create a TickTick task for every new Google Calendar event you create.

Create TickTick tasks from new Google Calendar events

Rather than having to manage tasks in multiple apps, use this integration to automatically add every new Google task to TickTick. Boost your productivity easily.

Create TickTick tasks from new Google Tasks

Make sure your to-do list stays organized and backed up with this integration. Once it’s activated, this Zap automatically adds each new task in your TickTick account as a specified database item in Notion.

The 6 best to-do list apps for iPhone in 2025

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