Lunacy vs Principle: Pricing Comparison 2026
Side-by-side pricing comparison of Lunacy and Principle. See all plans, features, and costs at a glance.
Bottom line: Lunacy starts at $8/mo and Principle starts at Custom pricing. Compare all 5 pricing tiers side by side.
Last updated: March 16, 2026
Lunacy vs Principle: Quick Pricing Facts
| Feature | Lunacy | Principle |
|---|---|---|
| Starting Price | $8/mo | Custom pricing |
| Number of Plans | 4 | 1 |
| Free Tier | Yes | No |
| Pricing Model | freemium | flat |
| Annual Discount | N/A | N/A |
Lunacy and Principle are both priced at $8/mo, making them equally accessible Design Tools. Together they offer 5 pricing plans with 21 features compared, so the best choice comes down to which features match your needs.
Lunacy stands out with a free plan for getting started. Lunacy uses freemium 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 |  Lunacy Try it free |  Principle Try it free |
|---|---|---|
| Tier 1 | Free $0/monthCheapest Includes
| See For Yourself Custom pricing |
| Tier 2 | Pro $12/monthCheapest $1 / year Includes
| — |
| Tier 3 | Business $9/monthCheapest $1 / year Includes
| — |
| Tier 4 | Enterprise $8/monthCheapest $1 / year Includes
| — |
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Lunacy
Lunacy offers a free plan, offers 4 tiers vs 1.
Based on pricing data only. Review the full comparison below for your specific needs.
Best value: Lunacy
Try Lunacy freeWhich Should You Choose?
Choose Lunacy if:
- •You need a free plan with Full single user license, Cross-platform—Lunacy offers no-cost access with no credit card required
- •You need 4 pricing tiers for flexible team sizing—more options mean less overpaying for features you don't need
- •You want more features built-in—Lunacy offers 21 additional features across its plans
Choose Principle if:
- •Your team needs custom enterprise pricing—Principle offers negotiated terms for large deployments
- •You prioritize Principle's user experience and interface over price (both tools are similarly priced)
- •You prefer Principle's flat model with its single-tier structure
Lunacy offers a free plan [1], eliminating the cost barrier for evaluation, while Principle requires paid subscription from the start. This gives Lunacy a significant advantage for teams with budget constraints or extended trial periods. Once you outgrow Lunacy's free tier, upgrading to a paid plan at approximately $8/mo provides substantial additional functionality. Compare this pricing path against Principle's tiering starting at Custom pricing to assess total cost of ownership over 12 months. Lunacy's 4 tiers provide flexibility at different budgets, while Principle's 1 tier structure may force you into higher-cost plans than necessary for your use case. If evaluation cost matters to your decision, Lunacy is the obvious starting point with zero financial commitment. Use the free tier to validate core functionality before committing to paid plans from either tool.
Frequently Asked Questions: Lunacy vs Principle
How many pricing plans does Lunacy have vs Principle?
Does Lunacy or Principle offer a free plan?
Can I save money by paying annually for Lunacy or Principle?
Does Lunacy or Principle offer custom enterprise pricing?
What pricing models do Lunacy and Principle use?
How do Lunacy and Principle compare for Design Tools?
Sources
- Lunacy Official Pricing— Vendor pricing page
- Principle Official Pricing— Vendor pricing page
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