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All industries · head to head

Todoist vs Grammarly

Todoist logo

Todoist

All industries

The world's #1 task manager and to-do list app

From
Free
Rated
-
Full reviewWebsite
Grammarly logo

Grammarly

All industries

Great writing, simplified

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Todoist no built-in time tracking for tasks; requires third-party integration like Toggl; Grammarly occasional false positives and grammatically incorrect suggestions that can introduce errors
  • They diverge on capability: Todoist covers Natural language input, Grammarly covers Grammar checking.

Where they differ

Only the attributes on which Todoist and Grammarly actually diverge.

Attributes where Todoist and Grammarly differ
AttributeTodoistGrammarly
PlatformsWeb, iOS, Android, macOS, WindowsWeb, macOS, Windows, iOS, Android
Founded20072009

Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), user rating (Not yet rated), category (All industries).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Todoist

  • Natural language input
  • Recurring tasks
  • Projects and sub-tasks
  • Labels and filters
  • Priority levels
  • Productivity tracking
  • Templates
  • Notifications

Only in Grammarly

  • Grammar checking
  • Spelling correction
  • Punctuation
  • Clarity suggestions
  • Engagement feedback
  • Delivery insights
  • Plagiarism checker
  • Citation generator

Both cover

  • Slack
  • Gmail

What people use each for

The jobs each tool is most often brought in to do.

Todoist

  • Personal task managementnot Grammarly
  • Team project coordinationnot Grammarly
  • Goal trackingnot Grammarly
  • Habit buildingnot Grammarly
  • Daily planningnot Grammarly

Grammarly

  • Email writingnot Todoist
  • Document editingnot Todoist
  • Academic writingnot Todoist
  • Business communicationnot Todoist
  • Content creationnot Todoist

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Todoist

  • No built-in time tracking for tasks; requires third-party integration like Toggl
  • Free plan limited to 5 personal projects only
  • No Gantt charts, resource allocation, or advanced project management features for large enterprises
  • Phone support not available; email and help center only
  • Calendar view and advanced filtering only available on paid plans

Grammarly

  • Occasional false positives and grammatically incorrect suggestions that can introduce errors
  • Privacy concerns about sending text to Grammarly's servers for analysis
  • AI capabilities sometimes produce hallucinations and fabricated citations that appear grammatically correct

Pricing, plan by plan

Todoist

Free
  • BeginnerFree
    • 5 personal projects
    • Smart Quick Add
    • Task reminders
  • Pro$5/month
    • 300 personal projects
    • Calendar layout
    • Custom task reminders
  • Business$8/month
    • Everything in Pro
    • Shared team workspace
    • Up to 500 team projects

Grammarly

Free
  • FreeFree
    • Basic grammar and spelling checks
    • Tone visibility
    • 100 AI prompts per month
  • Pro$12/month
    • Sentence rewrites
    • Tone adjustment
    • Plagiarism and AI detection

Which should you pick?

Choose Todoist if

  • You need natural language input.
  • You want to start without paying.
  • You work on Web, iOS, Android, macOS, Windows.
  • You also want recurring tasks.
Todoist review

Choose Grammarly if

  • You need grammar checking.
  • You want to start without paying.
  • You work on Web, macOS, Windows, iOS, Android.
  • You also want spelling correction.
Grammarly review

Questions people ask

Is Todoist or Grammarly better?
Neither clearly leads. Todoist starts at Free and Grammarly at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Todoist or Grammarly?
Todoist starts at Free and Grammarly at Free.
Does Todoist or Grammarly run on more platforms?
Todoist runs on Web, iOS, Android, macOS, Windows. Grammarly runs on Web, macOS, Windows, iOS, Android.
Can I use Todoist for free?
Both have a free tier, so you can try either at no cost before committing.
What is Todoist best used for?
Todoist is most often used for personal task management, team project coordination, goal tracking, habit building. Of those, personal task management and team project coordination are not what Grammarly is typically brought in for.
What can Todoist do that Grammarly cannot?
Todoist covers Natural language input, Recurring tasks, Projects and sub-tasks, Labels and filters. Grammarly covers Grammar checking, Spelling correction, Punctuation, Clarity suggestions. Both handle Slack, Gmail.

Answered from the vendors’ own pages

Todoist: Does Todoist work offline?

Basic editing and task management work offline, but advanced features like syncing reminders and shared updates require internet connectivity.

Source
Grammarly: Does Grammarly have a free version?

Yes, Grammarly offers a free tier with basic spelling, grammar, and punctuation checks, tone visibility, and 100 AI prompts per month. The Pro plan ($12/month annual) adds sentence rewriting, plagiarism detection, and 2,000 AI prompts.

Source
Todoist: Does Todoist have a free plan and what does it include?

Yes, Todoist offers a free Beginner plan with 5 personal projects, Smart Quick Add, task reminders, flexible layouts, 3 filter views, and 1 week activity history. More advanced features require the Pro or Business plans.

Source
Grammarly: What platforms does Grammarly work with?

Grammarly works across 1 million+ apps including Google Docs, Microsoft Word, Outlook, Slack, Gmail, and web browsers. It also integrates with productivity tools like Asana, Jira, Monday.com, Confluence, and HubSpot.

Source
Todoist: Can I use Todoist on mobile devices?

Yes, Todoist offers native apps for both iOS and Android with over 30 million downloads. Mobile apps provide full task management functionality across devices.

Source
Grammarly: Can I use Grammarly offline?

Grammarly requires an internet connection to function, though the browser extension works with some offline text areas. For offline use, the desktop app and browser extensions sync when reconnected.

Source
Todoist: What integrations does Todoist support?

Todoist integrates with over 100 apps including Slack, Google Calendar, Outlook, Microsoft Teams, Gmail, and Toggl Track. Additional integrations are available through Zapier, Make, and IFTTT automation platforms.

Source
Grammarly: What is included in the Enterprise plan?

The Enterprise plan includes unlimited team members, dedicated support, custom roles and permissions, data loss prevention, bring-your-own-key encryption, and unlimited AI prompts. Pricing is custom and available by contacting sales.

Source
Todoist: How much does Todoist cost?

Free plan is $0. Pro plan costs $5/month (billed annually) or $7/month (monthly billing). Business plan costs $8/month per user (annual) or $10/month per user (monthly), as of December 2025.

Source
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