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Research · head to head

Mendeley vs Todoist

Mendeley logo

Mendeley

Research

The free all-in-one reference manager

From
Free
Rated
-
Full reviewWebsite
Todoist logo

Todoist

All industries

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

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Mendeley free plan is capped at 2GB storage; unlimited storage requires the MAX plan at $14.99/month or $165/year; Todoist no built-in time tracking for tasks; requires third-party integration like Toggl

Where they differ

Only the attributes on which Mendeley and Todoist actually diverge.

Attributes where Mendeley and Todoist differ
AttributeMendeleyTodoist
Pricing modelfreemiumUnknown
PlatformsWebWeb, iOS, Android, macOS, Windows
CategoryResearchAll industries
FoundedUnknown2007

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 Mendeley

Nothing recorded that Todoist does not also cover.

Only in Todoist

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

What people use each for

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

Mendeley

No use cases recorded yet. See the Mendeley review.

Todoist

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

Where each one falls short

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

Mendeley

  • Free plan is capped at 2GB storage; unlimited storage requires the MAX plan at $14.99/month or $165/year

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

Pricing, plan by plan

Mendeley

Free

No published plan breakdown. See the Mendeley review.

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

Which should you pick?

Choose Mendeley if

  • You want to start without paying.
Mendeley review

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

Questions people ask

Is Mendeley or Todoist better?
Neither clearly leads. Mendeley starts at Free and Todoist at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mendeley or Todoist?
Mendeley starts at Free and Todoist at Free.
Does Mendeley or Todoist run on more platforms?
Mendeley runs on Web. Todoist runs on Web, iOS, Android, macOS, Windows.
Can I use Mendeley for free?
Both have a free tier, so you can try either at no cost before committing.
What can Mendeley do that Todoist cannot?
Todoist covers Natural language input, Recurring tasks, Projects and sub-tasks, Labels and filters.

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
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
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
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
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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Related pages

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