Side by side
Ilus AI vs PatentFig AI
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Generate stylistically consistent AI drawings in minutes
Generate USPTO-compliant patent figures from photos or sketches with AI.
Primary task
Sketches
Patent drawings
Pricing
Paid · from $9
Freemium · Free + from $20/mo
Pricing details
from $9
Free + from $20/mo
Billing cycle
One-time
Monthly
API access
Not documented
Not documented
Platforms
Web
Web
Integrations
Not documented
Not documented
Source rating
4.3 / 5 · 3 ratings
3.0 / 5 · 1 ratings
Catalog views
1.5k
421
Estimated monthly traffic
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Catalog imported
30 Aug 2026
31 Aug 2026
Listed strengths
- Generates stylistically consistent images
- Supports INK, doodle and flat illustration styles
- Aids uniform brand identity
- Allows fine-tuning of styles
- Facilitates consistent character creation
- USPTO-compliant figures
- Multi-office support
- Automated 3D renderings
- Multi-View flowcharts
- Block diagrams
Listed limitations
- Limited to three styles
- No real-time style updates
- Minimalist designs only
- Requires 5-35 example images
- Doesn't support 3D illustrations
- Limited file export formats
- No collaborative features
- Tiered pricing restrictive
- Limited to standard workflows
- No integrations with CAD tools