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Principle vs Zeplin: Pricing Comparison 2026

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

Bottom line: Principle starts at Custom pricing and Zeplin starts at $12/mo. Compare all 5 pricing tiers side by side.

Last updated: March 16, 2026

Data compiled by Arthur Jacquemin
Updated March 16, 2026

Principle vs Zeplin: Quick Pricing Facts

FeaturePrincipleZeplin
Starting PriceCustom pricing$12/mo
Number of Plans14
Free TierNoYes
Pricing Modelflatfreemium
Annual DiscountN/AN/A

Principle and Zeplin are both priced at Custom pricing, making them equally accessible Design Tools. Together they offer 5 pricing plans with 19 features compared, so the best choice comes down to which features match your needs.

Zeplin stands out with a free plan for getting started. Principle uses flat pricing while Zeplin uses freemium 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
Principle
Principle
Try it free
Tier 1
See For Yourself
Custom pricing
Start with See For Yourself
Free
$0/monthCheapest
Includes
  • 1 project
  • Unlimited users
  • Plenty of screens to start (100)
  • AI Beta: Limited usage
Start with Free
Tier 2
Basic
$14/monthCheapest
$14 / year
Includes
  • 1-12 projects
  • Unlimited users
  • Practically unlimited screens (1,000 per project)
  • AI Beta: Basic usage
Start with Basic
Tier 3
Advanced
$12/monthCheapest
$12 / year
Includes
  • 50 projects
  • Unlimited screens
  • Flow Boards
  • Advanced user permissions
  • Unlimited reviewers
Start with Advanced
Tier 4
Enterprise
Custom pricing
Includes
  • Unlimited projects
  • Single sign-on, MFA, and SCIM
  • Invoiced billing (Bank transfer)
  • Activity Logs
  • Success Manager
  • 24-hour support SLA
Start with Enterprise

Swipe to compare plans →

Principle

macOS app for animated and interactive UI design prototypes

View all Principle plans

Zeplin

Design handoff and collaboration tool for designers and developers

View all Zeplin plans
Our Pick

Zeplin

Zeplin 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: Zeplin

Try Zeplin free

Which Should You Choose?

Choose Principle if:

  • You prioritize Principle's user experience and interface over price (both tools are similarly priced)
  • Principle's flat pricing lets you match exact team size without tier gaps
  • You value Principle's specific feature progression from free to advanced tier levels

Choose Zeplin if:

  • You need a free plan with 1 project, Unlimited users—Zeplin 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—Zeplin offers 19 additional features across its plans

Zeplin offers a free plan [1], eliminating the cost barrier for evaluation, while Principle requires paid subscription from the start. This gives Zeplin a significant advantage for teams with budget constraints or extended trial periods. Once you outgrow Zeplin's free tier, upgrading to a paid plan at approximately $12/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. Zeplin'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, Zeplin 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.

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Frequently Asked Questions: Principle vs Zeplin

How many pricing plans does Principle have vs Zeplin?
Principle offers 1 pricing plan, while Zeplin offers 4 plans. More plans typically means more flexibility to match your exact needs and budget.
Does Principle or Zeplin offer a free plan?
Zeplin offers a free plan, while Principle does not. If budget is a concern, Zeplin lets you get started at no cost.
Can I save money by paying annually for Principle or Zeplin?
Both Principle and Zeplin offer annual billing options. Check each plan's yearly pricing for potential savings compared to monthly billing.
Does Principle or Zeplin offer custom enterprise pricing?
Yes, both Principle and Zeplin offer custom enterprise pricing tiers with quote-based pricing. Contact each vendor for a tailored quote.
What pricing models do Principle and Zeplin use?
Principle uses a flat pricing model, while Zeplin uses freemium pricing. The right model depends on your team size and usage patterns.
How do Principle and Zeplin compare for Design Tools?
Both Principle and Zeplin are Design Tools. Principle offers 1 plan starting at Custom pricing, while Zeplin offers 4 plans starting at $12/mo. Review the feature breakdowns above to see which better fits your Design Tools needs.

Sources

  1. Principle Official PricingVendor pricing page
  2. Zeplin Official PricingVendor pricing page

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