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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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Napkin AI
✓ verifiedFreemium
Turns written text into editable business visuals—diagrams, flowcharts, mind maps and charts—without prompting.
1.8M visits/mo63K saves
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AI invitation generator
✓ verifiedFreemium
AI invitation generator from Greetings Island for custom invites, cards and save-the-dates across occasions.
2.0M visits/mo785 saves
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Vectorizer AI
✓ verifiedPaid
AI-powered online converter that traces raster images (PNG/JPG/WebP) into clean, editable SVG, EPS, DXF, or PDF vector files.
2.0M visits/mo7.4K saves
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Spline
✓ verifiedFreemium
Browser-based collaborative 3D design tool for building and exporting interactive 3D/2D experiences to web, iOS and Android.
818K visits/mo12K saves
Pricing
No public pricing
No public pricing
No public pricing
Free: $0/month (limited files, watermarked web exports)
Starter: $12/seat/month billed annually or $15/month billed monthly (unlimited files, no watermark)
Professional: $20/seat/month billed annually or $25/month billed monthly (video/code export, unlimited variables/APIs), plus optional AI add-on at +$5/seat/month for 2,000 AI credits
Core features
- ✦Text-to-visual generation without prompts
- ✦Editable diagrams, charts and mind maps
- ✦Full color and element customization
- ✦Export to PPT, PNG, PDF, SVG
- ✦Team collaboration and real-time editing
- ✦60+ languages
- ✦AI-generated invitations and greeting cards
- ✦Large theme library across occasions
- ✦Photo upload and custom design
- ✦'Magic invite' AI creation and message composer
- ✦Save-the-dates, RSVP and announcement cards
- ✦AI-based full-color image tracing with deep learning and classical algorithms
- ✦Full shape fitting for circles, ellipses, rounded rectangles, and stars
- ✦Support for straight lines, arcs, and quadratic/cubic Bezier curves
- ✦Automatic corner detection and cleanup for natural-looking edges
- ✦Symmetry detection to improve consistency of vectorized shapes
- ✦Adjustable color palette control for output simplification
- ✦Sub-pixel precision using anti-aliasing data
- ✦Exports to SVG, EPS, DXF, and PDF
- ✦Real-time collaborative 3D editor with primitives and modeling tools
- ✦Layer-based materials and a ready-made material library
- ✦Interactivity/animation via states, events and physics
- ✦Multi-platform export to web, iOS and Android
- ✦2D design canvas (Hana) with vector networks and effects
- ✦AI 3D generation, texture generation and style transfer add-on
- ✦Variables, APIs and webhooks for dynamic data
Use cases
- →Building presentation slides
- →Illustrating blog posts and docs
- →Creating social media graphics
- →Visualizing concepts for teaching
- →Making invitations for weddings and parties
- →Creating birthday and baby-shower cards
- →Designing save-the-dates and announcements
- →Producing business event invites
- →Designers converting scanned logos into clean vector files
- →Print shops preparing artwork for large-format or cut printing
- →CNC/CAD users needing DXF paths from raster images
- →Developers integrating vectorization into automated design pipelines
- →Designers adding interactive 3D elements to websites
- →Product teams prototyping 3D UI or product visualizations
- →Brand/marketing teams creating animated 3D visuals
- →Agencies building AR/XR or gamified web experiences
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