proto-io vs Spline
Side-by-side comparison of features, pricing, and integrations.
Quick Verdict
proto-io offers fewer features (41 vs 56) and more integrations (30 vs 10). Starting price: proto-io at $49/mo vs Spline at $5/mo. proto-io has 40 unique features while Spline has 55 unique features, with 1 features in common.
| proto-io | Spline | |
|---|---|---|
| Category | Design & Prototyping | Design & Prototyping |
| Total Features | 41 | 56 |
| AI-Powered Features | 5 | 5 |
| Starting Price | $49/mo | $5/mo |
| Pricing Tiers | 4 | 5 |
| Integrations | 30 | 10 |
| Shared Features | 1 | |
| Shared Integrations | 2 | |
| Data Quality | 71% | 95% |
Feature Comparison by Category
AI (0 vs 5)
| Feature | proto-io | Spline |
|---|---|---|
| AI 3D Generation | ||
| AI Image Generation | ||
| AI Style Transfer | ||
| AI Texture Generation | ||
| Spline AI |
AI Features (2 vs 0)
| Feature | proto-io | Spline |
|---|---|---|
| AI-Powered Layout Suggestions | ||
| Auto-Generate Content |
Administration (0 vs 1)
| Feature | proto-io | Spline |
|---|---|---|
| Centralized Licensing and Billing |
Analytics (1 vs 0)
| Feature | proto-io | Spline |
|---|---|---|
| Analytics Dashboard |
Animation (0 vs 2)
| Feature | proto-io | Spline |
|---|---|---|
| Interactivity & Motion | ||
| Timeline Animation |
Collaboration (5 vs 4)
| Feature | proto-io | Spline |
|---|---|---|
| Collaboration Comments | ||
| Comments & Feedback | ||
| File Version History | ||
| Multi-Team Organization | ||
| Prototype Sharing | ||
| Real-time Collaboration | ||
| Shared Libraries | ||
| Unlimited Viewers |
Community (0 vs 1)
| Feature | proto-io | Spline |
|---|---|---|
| Community Platform |
Data Integration (0 vs 3)
| Feature | proto-io | Spline |
|---|---|---|
| Unlimited Variables, APIs & Webhooks | ||
| Variables & Data | ||
| Variables Local Storage |
Design (13 vs 0)
| Feature | proto-io | Spline |
|---|---|---|
| Advanced Interactions | ||
| Animation Library | ||
| Color Management | ||
| Design System Management | ||
| Icon Management | ||
| Interactive Components | ||
| Interactive Prototypes | ||
| Responsive Design Preview | ||
| Responsive Grid System | ||
| Smart Templates | ||
| Typography System | ||
| Voice Prototyping | ||
| Wireframing Tools |
Design Tools (0 vs 9)
| Feature | proto-io | Spline |
|---|---|---|
| 3D Design Editor | ||
| 3D Primitives & Modeling | ||
| Color & Strokes | ||
| Frames & Auto Layout | ||
| Hana - 2D Editor | ||
| Infinite Canvas | ||
| Multi-Scenes | ||
| Snapping | ||
| Vector Networks |
Effects (0 vs 1)
| Feature | proto-io | Spline |
|---|---|---|
| Visual Effects |
Export (0 vs 12)
| Feature | proto-io | Spline |
|---|---|---|
| Android Export | ||
| App Generation | ||
| Code Export | ||
| GLTF Export with Color & Texture | ||
| High Resolution Image Exports | ||
| Multi-platform Exports | ||
| No Watermark on Web Exports | ||
| Self-Hosted Export | ||
| USDZ & STL Export | ||
| Video Export | ||
| Web Export | ||
| iOS Export |
Integration (1 vs 1)
| Feature | proto-io | Spline |
|---|---|---|
| API Access | ||
| Spline Viewer Component |
Interactivity (0 vs 2)
| Feature | proto-io | Spline |
|---|---|---|
| Game Controls | ||
| States & Events |
Learning (0 vs 2)
| Feature | proto-io | Spline |
|---|---|---|
| Academy - Video Tutorials | ||
| Documentation |
Libraries (0 vs 2)
| Feature | proto-io | Spline |
|---|---|---|
| Material & Audio Library | ||
| Template Library |
Materials (0 vs 1)
| Feature | proto-io | Spline |
|---|---|---|
| Layer-based Materials |
Media (0 vs 2)
| Feature | proto-io | Spline |
|---|---|---|
| Audio Upload | ||
| Video Upload |
Organization (3 vs 1)
| Feature | proto-io | Spline |
|---|---|---|
| Bulk Asset Management | ||
| Custom Branding | ||
| Team Workspaces | ||
| Unlimited Folders and Projects |
Quality (3 vs 0)
| Feature | proto-io | Spline |
|---|---|---|
| Accessibility Checker | ||
| Design Audit | ||
| Performance Metrics |
Rendering (0 vs 1)
| Feature | proto-io | Spline |
|---|---|---|
| Real-time Rendering |
Research (1 vs 0)
| Feature | proto-io | Spline |
|---|---|---|
| User Testing |
Security (1 vs 1)
| Feature | proto-io | Spline |
|---|---|---|
| Password Protected Links | ||
| SAML Single Sign-On |
Services (0 vs 1)
| Feature | proto-io | Spline |
|---|---|---|
| Spline Expert Partners |
Simulation (0 vs 1)
| Feature | proto-io | Spline |
|---|---|---|
| Physics & Particles |
Support (0 vs 3)
| Feature | proto-io | Spline |
|---|---|---|
| Custom Onboarding and Training | ||
| Legal and Security Onboarding | ||
| Priority Support |
Testing (1 vs 0)
| Feature | proto-io | Spline |
|---|---|---|
| Mobile App Preview |
Workflow (10 vs 0)
| Feature | proto-io | Spline |
|---|---|---|
| Activity Timeline | ||
| Batch Operations | ||
| Data Binding | ||
| Design Tokens Export | ||
| Developer Handoff | ||
| Export Options | ||
| Keyboard Shortcuts | ||
| Offline Mode | ||
| Search & Replace | ||
| Version Control |
Unique Features
Only in proto-io (40)
AI-Powered Layout Suggestions
Auto-Generate Content
Analytics Dashboard
Collaboration Comments
Comments & Feedback
Prototype Sharing
Shared Libraries
Advanced Interactions
Animation Library
Color Management
Design System Management
Icon Management
Interactive Components
Interactive Prototypes
Responsive Design Preview
Responsive Grid System
Smart Templates
Typography System
Voice Prototyping
Wireframing Tools
+ 20 more unique features
Only in Spline (55)
Centralized Licensing and Billing
AI 3D Generation
AI Image Generation
AI Style Transfer
AI Texture Generation
Spline AI
Interactivity & Motion
Timeline Animation
File Version History
Multi-Team Organization
Unlimited Viewers
Community Platform
Unlimited Variables, APIs & Webhooks
Variables & Data
Variables Local Storage
3D Design Editor
3D Primitives & Modeling
Color & Strokes
Frames & Auto Layout
Hana - 2D Editor
+ 35 more unique features
Want to build your own alternative to proto-io or Spline?
Analyze it with Reap