Choose SketchUp if you want
Architecture and interior modeling.
Push-pull modeling that is quick to learn, with web and iPad apps and a desktop app. Subscriptions are per user, and it is less precise for engineering parts than CAD tools.
Choose Spline if you want
Browser 3D for web visuals.
A browser-based 3D tool with real-time collaboration and interactive web export, described as free to use. It handles simpler scenes better than detailed characters or film work.
The main differences
- Spline can be used for free; SketchUp requires payment.
Side by side
 SketchUp |  Spline | |
|---|---|---|
| Score | 84.5 | 77.5 |
| Rank in list | #3 of 6 | #6 of 6 |
| Price | SubscriptionPer-user subscriptions; free for K-12 schools with school Google or Microsoft accounts | FreeDescribed by the site as free 3D design software |
| Free to use | No | Yes |
| Open source | No | No |
| Platforms | WebiPadOSWeb, iPadOS | WebWeb |
| Made by | Trimble | Not stated |
| Best for | Architecture and interior modeling | Browser 3D for web visuals |
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| Limits |
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| Links | Visit site | Visit site |
Questions about SketchUp vs Spline
- Is SketchUp better than Spline?
- SketchUp ranks higher in our list of 3D modeling software (#3 against #6, score 84.5 against 77.5). SketchUp is best for: architecture and interior modeling. Spline is best for: browser 3D for web visuals.
- Which is cheaper, SketchUp or Spline?
- SketchUp: Per-user subscriptions; free for K-12 schools with school Google or Microsoft accounts. Spline: Described by the site as free 3D design software.
- Do SketchUp and Spline run on the same platforms?
- SketchUp supports Web, iPadOS. Spline supports Web.