At a glance

Sketch Spline
Best for Mac users who prefer native app performance over browser-based tools Designers who want 3D on the web
Starting price $10/editor/mo Free
Free tier
Open source
Free tier available
Open source
3D Design
Interactions
Libraries
Mac Native
Plugins
Prototyping
Real-Time Collab
Symbols
Web Export

Sketch

Strengths

  • Native Mac performance — fast and responsive
  • Clean, focused interface
  • Large plugin ecosystem
  • One-time purchase option still available

Weaknesses

  • Mac only — no Windows or Linux support
  • Collaboration features lag behind Figma
  • Declining market share and community momentum
  • Web viewer is limited

Spline

Strengths

  • Browser-based 3D design — no heavy software install required
  • One-click export to web formats (HTML, React, iframes) for production use
  • Free for 2 projects — generous enough for most small teams to get real work done
  • Includes interactions alongside the core feature set — fewer separate tools needed

Weaknesses

  • Free plan exists but key features are locked behind the paid upgrade
  • Fewer built-in features means you may need additional tools to cover gaps
  • Output quality depends on your design skills — templates only go so far
  • Limited team/admin features if your organization eventually scales up

The bottom line

Pricing: Spline is completely free (Free for 2 projects), which makes it the obvious pick if budget is the top concern. Sketch starts at $10/editor/mo. That cost buys you a more polished or feature-rich experience, so it comes down to whether the extras justify the spend.

Feature gaps: Sketch offers Libraries, Mac Native and Plugins that Spline lacks. Spline brings 3D Design, Interactions and Real-Time Collab that Sketch does not have.

Team fit: Both tools target small teams teams, so the decision hinges on features and workflow fit rather than scale.

Where each tool shines: Sketch's biggest strengths are: native mac performance — fast and responsive. clean, focused interface. Spline's biggest strengths are: browser-based 3d design — no heavy software install required. one-click export to web formats (html, react, iframes) for production use.

Watch out for: With Sketch, users commonly note that mac only — no windows or linux support. With Spline, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

Choose Sketch if...

  • You need a tool built for mac users who prefer native app performance over browser-based tools
  • You specifically need Libraries and Mac Native
  • You care about clean, focused interface

Choose Spline if...

  • You need a tool built for designers who want 3d on the web
  • Budget is a hard constraint — Spline is free, Sketch is not
  • You specifically need 3D Design and Interactions
  • You care about one-click export to web formats (html, react, iframes) for production use
  • The free tier works for you: free for 2 projects

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