Spline
A collaborative, browser-based 3D design tool for interactive web scenes.
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About Spline
Spline is a 3D design tool that runs in the browser and is aimed at designers rather than 3D specialists. You build scenes from primitives, extruded shapes and imported models, add materials, lighting and physics, then animate them with states, events and transitions so objects react to hovers, clicks and scrolling. Finished scenes can be embedded on websites through a lightweight viewer, exported to code or to iOS and Android apps, and edited with teammates in real time much like Figma. It also offers AI generation of 3D models and textures using credits. It is not designed for production modeling, sculpting or rendering for film. Spline has a free plan, with paid Hobby, Pro and team plans per seat that add unlimited files, video export, extra credits and app export, cheaper when billed annually.
Best for: Product and web designers adding interactive 3D to sites and apps.
Pros and cons
What works
- Runs in the browser with real-time collaboration
- Interactive states and events without code
- Easy embedding on websites and export to apps
Why people leave
- Not suited to production modeling or high-end rendering
- Useful features and AI credits need paid plans
- Complex scenes can be heavy for web visitors
Top Spline alternatives
See all 4- 1
Blender77.6Free full 3D suite for heavier modeling, then export glTF for the web.
- 2
Cinema 4D74.6For rendered motion-design video rather than real-time web scenes.
- 3
Vectary66.5Browser-based 3D with AR sharing and product configurators.
- 4
Womp57.2Free browser modeling with soft SDF shapes and striking materials.
Why people left Spline
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Reviews
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Spline: common questions
Is Spline free?
Spline has a free plan and paid plans. Free plan: Yes (checked on Spline's own site).
Is Spline open source?
No, Spline is not open source. Open-source alternatives include Blender.
What platforms does Spline run on?
Spline is available for Web, macOS and Windows.
What are the best alternatives to Spline?
The highest-ranked Spline alternatives right now are Blender, Cinema 4D and Vectary. See the full ranked list for pricing, platforms and verified facts.