kitio.aiWhimsical vs SiteForge
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Whimsical starts at See pricing page and SiteForge 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 flowcharts from a prompt
- AI mind maps
- AI wireframes
- Infinite canvas boards
- Docs alongside diagrams
- Desktop apps
- AI sitemap generator
- AI wireframe generator
- Branded SEO copy
- Drag-and-drop restructuring
- Section regeneration
| Feature | Whimsical | SiteForge |
|---|---|---|
| Best for | Whiteboard for flowcharts, mind maps and wireframes with AI generation | AI sitemap, wireframe and copy generator for new websites |
| Category | Design | Design |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Whimsical | SiteForge |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Whimsical starts at See pricing page and SiteForge starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 50 board objects per month
- 50 doc blocks per month
- Watermark on exports
- 7-day version history
Pro
$10/editor/mo billed yearly
- Per user
- Unlimited board objects and blocks
- No export watermark
- 90-day version history
Business
$20/editor/mo billed yearly
- Per user
- Private teams
- SAML SSO and SCIM
- Unlimited version history
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Whimsical
- Clean, fast diagramming interface
- AI drafts editable diagrams
- Viewers are always free
- SOC 2 Type 2 compliant
- Free plan caps board objects monthly
- Watermark on free exports
- Priced per editor
SiteForge
- Sitemaps, wireframes and copy in one tool
- Custom layouts instead of templates
- Brand tone options
- Output is wireframes, not a live site
- Plan details are not shown
- Little information on export options
Which one should you choose?
Choose Whimsical if you want:
- Clean, fast diagramming interface
- AI drafts editable diagrams
- Viewers are always free
Watch out: free plan caps board objects monthly.
Choose SiteForge if you want:
- Sitemaps, wireframes and copy in one tool
- Custom layouts instead of templates
- Brand tone options
Watch out: output is wireframes, not a live site.
Whimsical vs SiteForge FAQ
What is the difference between Whimsical and SiteForge?
Whimsical: Whiteboard for flowcharts, mind maps and wireframes with AI generation. SiteForge: AI sitemap, wireframe and copy generator for new websites. Both are design tools.
Is Whimsical or SiteForge cheaper?
Whimsical starts at See pricing page and SiteForge starts at See pricing page. Check both pricing pages for current plans.
Do Whimsical and SiteForge have free plans?
Whimsical: Yes. SiteForge: Yes.
Who makes Whimsical?
Whimsical is made by Whimsical.
Who makes SiteForge?
SiteForge is made by SiteForge.
Which should I choose, Whimsical or SiteForge?
Choose Whimsical if you value clean, fast diagramming interface and ai drafts editable diagrams. Choose SiteForge if you value sitemaps, wireframes and copy in one tool and custom layouts instead of templates.