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Software · head to head

Spline vs Things 3

Spline logo

Spline

Software

3D design tool for the web

From
Free
Rated
-
Full reviewWebsite
Things 3 logo

Things 3

Software

The award-winning personal task manager

From
$9.99/one-time
Rated
-
Full reviewWebsite

The short version

  • Only Spline has a free tier, so it costs nothing to try first.
  • Each has a real cost: Spline aI generation features produce inconsistent and often distorted results, failing at basic depth perception tasks; Things 3 no team collaboration, task sharing, or task assignment features
  • They diverge on capability: Spline covers 3D modeling, Things 3 covers Today view.

Where they differ

Only the attributes on which Spline and Things 3 actually diverge.

Attributes where Spline and Things 3 differ
AttributeSplineThings 3
Starting priceFree$9.99/one-time
Pricing modelfreemiumUnknown
Free tierYesNo
PlatformsWeb, iOS, Android, visionOSmacOS, iOS, iPadOS, watchOS, visionOS
Founded20202004

Identical on both: 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 Things 3

  • Today view
  • Projects and areas
  • Quick entry
  • Tags
  • Calendar integration
  • Apple Calendar
  • Siri
  • Shortcuts

What people use each for

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

Spline

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

Things 3

  • Schedulingnot Spline
  • Appointment bookingnot Spline
  • Time trackingnot Spline
  • Resource managementnot Spline
  • Team coordinationnot 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

Things 3

  • No team collaboration, task sharing, or task assignment features
  • Apple ecosystem only, with no Windows, Android, or web version
  • No third-party app integrations beyond Apple's ecosystem
  • Cannot attach files or images to tasks, only text notes
  • No time blocking or calendar integration for scheduling tasks into specific time slots

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

Things 3

$9.99/one-time
  • iPhone/Watch$9.99/one-time
  • iPad$19.99/one-time
  • Mac$49.99/one-time

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 Things 3 if

  • You need today view.
  • You work on macOS, iOS, iPadOS, watchOS, visionOS.
  • You also want projects and areas.
Things 3 review

Questions people ask

Is Spline or Things 3 better?
Neither clearly leads. Spline starts at Free and Things 3 at $9.99/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Spline or Things 3?
Spline has a free tier; the other does not. Paid plans start at Free for Spline and $9.99/one-time for Things 3.
Does Spline or Things 3 run on more platforms?
Spline runs on Web, iOS, Android, visionOS. Things 3 runs on macOS, iOS, iPadOS, watchOS, visionOS.
Can I use Spline for free?
Yes. Spline has a free tier, so you can try it without paying. Things 3 starts at $9.99/one-time.
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 Things 3 is typically brought in for.
What can Spline do that Things 3 cannot?
Spline covers 3D modeling, Real-time collaboration, Animations, Interactions. Things 3 covers Today view, Projects and areas, Quick entry, Tags.

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
Things 3: Does Things 3 support team collaboration?

No. Things 3 is designed for individual use only with no task sharing, team workspaces, task assignment, or commenting features.

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
Things 3: What platforms does Things 3 run on?

Things 3 is exclusive to Apple devices: macOS, iOS, iPadOS, watchOS, and visionOS. There is no Windows, Android, or web version.

Source
Things 3: How much does Things 3 cost?

Things 3 uses a one-time purchase model: $9.99 for iPhone/Watch, $19.99 for iPad, and $49.99 for Mac. Total cost for all platforms is approximately $80 with no subscription required.

Source
Things 3: Does Things 3 sync across devices?

Yes. Things Cloud keeps your to-dos in sync across all your Apple devices automatically. There is no extra cost for cloud synchronization.

Source
Things 3: Can you attach files or images to tasks in Things 3?

No. Things 3 does not support attachments. You can only add notes (text) to tasks.

Source
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