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Software · head to head

Spline vs Todoist

Spline logo

Spline

Software

3D design tool for the web

From
Free
Rated
-
Full reviewWebsite
Todoist logo

Todoist

Software

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

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Spline aI generation features produce inconsistent and often distorted results, failing at basic depth perception tasks; Todoist no built-in time tracking for tasks; requires third-party integration like Toggl
  • They diverge on capability: Spline covers 3D modeling, Todoist covers Natural language input.

Where they differ

Only the attributes on which Spline and Todoist actually diverge.

Attributes where Spline and Todoist differ
AttributeSplineTodoist
Pricing modelfreemiumUnknown
PlatformsWeb, iOS, Android, visionOSWeb, iOS, Android, macOS, Windows
Founded20202007

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

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 Spline

  • 3D modeling
  • Real-time collaboration
  • Animations
  • Interactions
  • Code export
  • React
  • Next.js
  • Webflow

Only in Todoist

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

Both cover

  • SSL encryption

What people use each for

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

Spline

  • Web 3D experiencesnot Todoist
  • Interactive prototypesnot Todoist
  • Product visualizationnot Todoist

Todoist

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

Where each one falls short

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

Spline

  • AI generation features produce inconsistent and often distorted results, failing at basic depth perception tasks
  • Limited to simpler designs - not suitable for high-poly, detailed production models
  • Performance degrades with complex scenes containing many objects and materials
  • Limited non-Apple platform coverage compared to cross-platform design tools
  • Tutorials are either too fast for beginners or too basic for advanced users

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

Spline

Free
  • FreeFree
    • Unlimited projects
    • Basic exports
    • Community support
  • Pro$9/month
    • Advanced exports
    • Custom domains
    • Password protection
  • Team$19/month
    • Team collaboration
    • Version control
    • Admin controls

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 Spline if

  • You need 3d modeling.
  • You want to start without paying.
  • You work on Web, iOS, Android, visionOS.
  • You also want real-time collaboration.
Spline 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 Spline or Todoist better?
Neither clearly leads. Spline 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, Spline or Todoist?
Spline starts at Free and Todoist at Free.
Does Spline or Todoist run on more platforms?
Spline runs on Web, iOS, Android, visionOS. Todoist runs on Web, iOS, Android, macOS, Windows.
Can I use Spline for free?
Both have a free tier, so you can try either at no cost before committing.
What is Spline best used for?
Spline is most often used for web 3d experiences, interactive prototypes, product visualization. Of those, web 3d experiences and interactive prototypes are not what Todoist is typically brought in for.
What can Spline do that Todoist cannot?
Spline covers 3D modeling, Real-time collaboration, Animations, Interactions. Todoist covers Natural language input, Recurring tasks, Projects and sub-tasks, Labels and filters. Both handle SSL encryption.

Answered from the vendors’ own pages

Spline: What is Spline's pricing?

Spline offers a Free plan with watermarked web exports, Starter at $12/month (billed annually) removing watermarks, Professional at $20/month with unlimited projects, and Enterprise with custom pricing. Viewers are unlimited on all plans.

Source
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
Spline: Can Spline export 3D models to other tools?

Spline's export/import format support is more limited compared to traditional 3D tools like Blender. It focuses on web-first exports and native app code generation.

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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