Octopus.do vs Spline
Updated June 2026 · A structured head-to-head comparison.
Real-time visual sitemap builder.
The verdict
Both Octopus.do and Spline are credible ui ux design tools, and the right pick comes down to your priorities.
Octopus.do — Real-time visual sitemap builder.
Choose Spline if you'd rather have broader platform coverage. 3D design in the browser.
Octopus.do vs Spline: side by side
| Dimension | Octopus.do | Spline |
|---|---|---|
| Starting price | Free – $10/mo | Free – $9/mo |
| Free plan | Yes | Yes |
| Pricing model | Freemium | Freemium |
| Best for | Web Designers, Agencies | Designers |
| Platforms | Web | Web, Mac, WindowsWinner |
| Rating | 4.5/5 | 4.6/5 |
Octopus.do key facts
- Vendor
- Octopus.do
- Pricing
- Freemium — Free – $10/mo
- Free tier
- Yes
- Platforms
- Web
- Best for
- Web Designers, Agencies
- Editor rating
- 4.5 / 5
- Founded
- 2016
- Headquarters
- Vilnius, Lithuania
Spline key facts
- Vendor
- Spline
- Pricing
- Freemium — Free – $9/mo
- Free tier
- Yes
- Platforms
- Web, Mac, Windows
- Best for
- Designers
- Editor rating
- 4.6 / 5
- Founded
- 2020
- Headquarters
- Remote
Frequently asked questions
Is Octopus.do better than Spline?
Neither is universally better — Spline edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is Octopus.do or Spline cheaper?
Octopus.do is the more affordable of the two to get started, at free – $10/mo. Octopus.do starts at free – $10/mo; Spline starts at free – $9/mo.
Can Octopus.do replace Spline?
Yes for most teams — both are ui ux design tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.