L
LRelume vs Spline
Pricing, features, platforms and who each one suits — side by side.
R
Choose Relume if…
- you work on Figma
- you're in its core audience: web designers, design agencies
S
Choose Spline if…
- you work on iOS, Android
- you're in its core audience: web designers, product designers
Side by side
Feature Relume Spline
Pricing modelFreemiumFreemium
Starting price$12/mo$12/mo
Free plan
Free trial
API
Open source
Trains AI on your content—Yes, unless you opt out
Data retention—Personal info kept while account exists, or as law/backup policies require
Security and compliance—SOC 2 Type II, ISO 27001, GDPR
Updates, last 90 days—3
Code export—
Built-in hosting—
Custom domain—
Figma import/export—
MCP server—
PlatformsWeb, Figma, APIWeb, iOS, Android, API
CategoryApp & Website Builders3D & Interiors
CompanyRelume Tech Pty Ltd.Spline, Inc.
Based inAustraliaUnited States
Founded——
Part of——
Key features
R Relume
- Generates sitemaps, wireframes and style guides from notes or documents
- Library of 1,000+ responsive human-designed components
- Export to Figma, Webflow or React with Tailwind
- Hosting with SSL, custom domains and global CDN
- SEO controls: robots.txt, sitemap.xml, JSON-LD, 301 redirects
- Studio (beta) for on-brand imagery
- MCP integration for use inside AI tools
- Unlimited client and teammate editors
S Spline
- Modeling with primitives, booleans and sculpting
- AI 3D model generation
- Layered materials, lights and post-processing
- States, keyframes, events and physics for interaction
- Real-time multiplayer collaboration in shared files
- Spline MCP for Claude, ChatGPT, Cursor and Codex agents
- Export to web embed, code, SwiftUI/Xcode and Android
- React and runtime API via npm
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Relume
FreeFree
Launch hostingFrom $12
Pro (Build)From $14
Starter (Site Builder)From $18
Team (Site Builder)From $36
Pro (Site Builder)From $40
EnterpriseCustom
Spline
Free$0
Hobby$12/mo billed yearly ($15 monthly)
Pro$25/mo billed yearly ($30 monthly)
Max$60/mo billed yearly ($70 monthly)
EnterpriseCustom
Strengths and limitations
Relume
- Free plan needs no card
- Exports to Figma, Webflow and React
- No per-seat charge for client and teammate editors
- API and MCP integration available
- Free hosting always shows the Relume badge and caps traffic at 1,500 monthly page views
- Component library, AI builder and hosting are billed as separate plans
- The Starter trial isn't available once you've signed up for the Free plan
Spline
- Free plan with unlimited viewers
- Exports to web, iOS and Android
- MCP integration with major AI agents
- Runs in the browser with real-time collaboration
- Free plan has no AI credits and watermarks web exports
- Apple and Android exports require the Pro plan or higher
- AI credits do not roll over between billing cycles
More comparisons
Other options to consider
LL
Free, from $25/mo
L
Build, host and run web apps by chatting with AI, with a built-in backend
App & Website BuildersFree planAPI
R
RR
Free, from $18/mo
R
Build and publish apps and websites by describing them in plain language
App & Website BuildersFree plan
F
FAI design agent and prompt-to-app tool built into Figma for product teams
Free, from $3/mo
F
Free, from $3/mo
F
AI design agent and prompt-to-app tool built into Figma for product teams
UI & Product DesignFree planAPI
G
GG
See site
U
UU
Free, from $12/mo
U
AI UI design tool that turns text prompts and screenshots into app mockups
UI & Product DesignFree plan
V
VV
Free, from $14/mo
V
AI wireframes, mockups and prototypes for non-designers and product teams
UI & Product DesignFree plan
Built from each vendor's public website; we haven't tested them hands-on. Editorial policy