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Design Tools

Draw.io vs Principle: Pricing Comparison 2026

Side-by-side pricing comparison of Draw.io and Principle. See all plans, features, and costs at a glance.

Bottom line: Draw.io starts at Custom pricing and Principle starts at Custom pricing. Compare all 3 pricing tiers side by side.

Last updated: July 6, 2026

Data compiled by Arthur Jacquemin
Updated July 6, 2026
Try Draw.io freeTry Principle freeUpdated this monthPrice updated 11d ago
Best Value

Draw.io - Draw.io offers a free plan, offers 2 tiers vs 1.

Draw.io vs Principle: Quick Pricing Facts

FeatureDraw.ioPrinciple
Starting PriceCustom pricingCustom pricing
Number of Plans21
Free TierYesNo
Pricing Modelopen-sourceflat
Annual DiscountN/AN/A

Draw.io and Principle are both priced at Custom pricing, making them equally accessible Design Tools. Together they offer 3 pricing plans with 4 features compared, so the best choice comes down to which features match your needs.

Draw.io stands out with a free plan for getting started. Draw.io uses open-source pricing while Principle uses flat pricing, which may affect your total cost at scale.

Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Design Tools needs.

Pricing Plans
Draw.io
Draw.io
Try free
Principle
Principle
Try free
Tier 1
Free
$0/monthCheapest
Includes
  • No login or registration required
  • Diagram generation uses OpenAI
Start with Free
See For Yourself
Custom pricing
Start with See For Yourself
Tier 2
ProPopular
Custom pricing
Includes
  • Collaborate with shared cursors in real-time
  • Powerful features for professional diagramming
Start with Pro
-

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Draw.io

Free open-source diagramming tool that works in the browser

View all Draw.io plans

Principle

macOS app for animated and interactive UI design prototypes

View all Principle plans

Frequently Asked Questions: Draw.io vs Principle

How many pricing plans does Draw.io have vs Principle?
Draw.io offers 2 pricing plans, while Principle offers 1 plan. More plans typically means more flexibility to match your exact needs and budget.
Does Draw.io or Principle offer a free plan?
Draw.io offers a free plan, while Principle does not. If budget is a concern, Draw.io lets you get started at no cost.
What is the most popular Draw.io plan?
The Pro plan is Draw.io's most popular tier, priced at Custom pricing. Key features include Collaborate with shared cursors in real-time, Powerful features for professional diagramming.
Does Draw.io or Principle offer custom enterprise pricing?
Yes, both Draw.io and Principle offer custom enterprise pricing tiers with quote-based pricing. Contact each vendor for a tailored quote.
What pricing models do Draw.io and Principle use?
Draw.io uses a open-source pricing model, while Principle uses flat pricing. The right model depends on your team size and usage patterns.
How do Draw.io and Principle compare for Design Tools?
Both Draw.io and Principle are Design Tools. Draw.io offers 2 plans starting at Custom pricing, while Principle offers 1 plan starting at Custom pricing. Review the feature breakdowns above to see which better fits your Design Tools needs.
AI Recommendations

Sources

  1. Draw.io Official Pricing- Vendor pricing page
  2. Principle Official Pricing- Vendor pricing page

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