Todoist todoist.com

Can AI replace Todoist?

A personal task app with projects, recurring due dates, filters, and reminders is a one-sitting/weekend build; collaboration and sync polish are the product moat.

Verdict: Bot · AI can help you build or set up a working versionBuild time: weekend

Replacing a paid app means you set it up and keep it running: hosting, updates and backups can be on you. What you give up.

Bot

01What it costs

$7/moPro, monthly
$84per year at that price

Checked Aug 14, 2026 · source: todoist.com.

PlanMonthlyBilled yearlyWhat you get
BeginnerFreeFree5 personal projects; 3 filters; 1 week of activity history; 5 MB files; 5 people/project.
Pro$7$5/mo300 personal projects; 150 filters; 100 MB files; unlimited activity history; 5 people/project.
Business$10$8/mo300 personal projects/member; 500 team projects; 250 people/team project; 1,000 members + 1,000 guests.

Hidden costs: Business charges per member; taxes can apply.

02Could AI build it for you?

The core job: Create task/project tables, natural-language due date parsing, recurring rules, reminders, filters, and local notifications.

What a working version needs:

  • local or hosted database
  • date parser
  • notification channel
  • optional mobile/desktop wrappers

Strong yes; familiar product where feature creep is the real limit.

03What you'd give up

  • native apps
  • offline sync
  • collaboration
  • reminders reliability
  • integrations
  • years of UX polish

They pay because task capture must be fast everywhere and reminders cannot miss.

04Free and cheaper alternatives

Microsoft To Dofree

A polished free task manager, paid for with a Microsoft account rather than money

Versus paying: Microsoft To Do is weaker than Todoist on labels, custom filters, natural-language recurrence, integrations, and collaborative project workflows.

microsoft.com →
Vikunjaopen-source

A capable Todoist replacement once you accept becoming its hosting department

Versus paying: Vikunja adds hosting administration and has less polished native mobile, offline, natural-language, and integration support than Todoist.

vikunja.io →
Super Productivityopen-source

A local task manager with timeboxing, Pomodoro, and no account begging to be created

Versus paying: Super Productivity is primarily a local personal tool and is weaker than Todoist for shared projects, mobile capture, recurring-date language, and integrations.

super-productivity.com →
Apple Remindersfree

Things minus the polish tax, provided every device in sight has an Apple logo

Versus paying: Apple Reminders is confined to Apple’s ecosystem and is less capable than Todoist for cross-platform collaboration, integrations, and complex filters.

apps.apple.com →

Compare the free alternatives to Todoist side by side →

Sponsor slot · openFeatured alternative to Todoist. A labeled card for one relevant tool.
Book this spot →

05The build prompt

Get the Build Kit for Todoist

The complete build prompt, plus 11 step-by-step prompts from research to launch, a design system file, a page-by-page spec, the data model and a launch checklist.

Get the Build Kit · $9 →

One-time payment. Delivered on screen and by email.

06Free open-source starting points

  • Vikunja: Open-source task/project management app suitable as a Todoist-style alternative.

Prices change; confirm on the vendor's site before you decide.