Venngage vs OnUML
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Venngage starts at $19/mo and OnUML starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- AI infographic generator
- Smart diagrams
- Accessibility checker
- Brand kit
- PowerPoint export
- Text or image to diagram
- Mermaid and PlantUML editors
- Draw.io canvas mode
- Editable mind maps
- AI code repair
- MCP server
| Feature | Venngage | OnUML |
|---|---|---|
| Best for | Infographic and diagram maker with AI generators | AI diagram maker for Mermaid, PlantUML, Draw.io and mind maps |
| Category | Design | Design |
| Pricing model | Freemium | Freemium |
| Starting price | $19/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Venngage | OnUML |
| Based in | Canada | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Venngage starts at $19/mo and OnUML starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Premium
$19/mo
- 160 daily AI credits
- Unlimited designs
- PNG and hi-res PNG export
Business
$49/mo
- Per user
- 1,600 daily AI credits
- PDF and PowerPoint export
- Brand kits
Enterprise
From $499/mo
- Minimum 10 members
- Dedicated account manager
- Live onboarding and training
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Venngage
- Wide range of infographic templates
- Accessibility checks built in
- Auto-adjusting diagrams
- Free plan has few downloads
- Editor can lag on long documents
OnUML
- Four diagram formats in one place
- Fixes broken diagram code
- Free daily credits
- Pricing hidden behind sign-in
- Daily free credits are small
- Formal UML still needs some know-how
Which one should you choose?
Choose Venngage if you want:
- Wide range of infographic templates
- Accessibility checks built in
- Auto-adjusting diagrams
Watch out: free plan has few downloads.
Choose OnUML if you want:
- Four diagram formats in one place
- Fixes broken diagram code
- Free daily credits
Watch out: pricing hidden behind sign-in.
Venngage vs OnUML FAQ
What is the difference between Venngage and OnUML?
Venngage: Infographic and diagram maker with AI generators. OnUML: AI diagram maker for Mermaid, PlantUML, Draw.io and mind maps. Both are design tools.
Is Venngage or OnUML cheaper?
Venngage starts at $19/mo and OnUML starts at See pricing page. Check both pricing pages for current plans.
Do Venngage and OnUML have free plans?
Venngage: Yes. OnUML: Yes.
Who makes Venngage?
Venngage is made by Venngage, based in Canada.
Who makes OnUML?
OnUML is made by OnUML.
Which should I choose, Venngage or OnUML?
Choose Venngage if you value wide range of infographic templates and accessibility checks built in. Choose OnUML if you value four diagram formats in one place and fixes broken diagram code.