21st.dev vs Feng‑GUI

Comparing the features of 21st.dev to Feng‑GUI

Feature
21st.dev
Feng‑GUI

Capability Features

Accuracy Validated by MIT
92% accuracy
AI Chat UI Components
AI Creation
AI Variant Generation
Analysis for Multiple Media Types
websitesadsvideosprintshelf layoutssignagepackaging
Attention Heatmaps
Attention Prediction Algorithm
Component Categories
ShadersHerosFeaturesAI Chat ComponentsCalls to ActionButtonsTestimonialsPricing SectionsText Components
Component Customization
Component Popularity Metrics
Component Preview
Component Search
Favorites Canvas
Instant Results
Large Component Library
No Hardware Required
No Installation Needed
No Pixel Pushing Needed
Optimized for Agencies and Brands
Predictive Eye Tracking
Report Generation
Right Click Menu
Supports Concept and Live Designs
UI Inspiration Library
Upload Image, Webpage, or Video
imagewebpagevideo
Visual Analytics

Integration Features

API Integrations
Integrated Partners
50

Limitation Features

No API Access
No Export Functionality Stated
No Free Tier
No Mentioned Collaboration
No Mentioned Integrations
No Pricing Information
No Public Pricing Listed
No User Limit or Quota Stated
Sign In Required

Pricing Features

Free Tier
Free Trial Period