Principle vs Spline: Pricing Comparison 2026
Side-by-side pricing comparison of Principle and Spline. See all plans, features, and costs at a glance.
Bottom line: Principle starts at Custom pricing and Spline starts at $12/mo. Compare all 5 pricing tiers side by side.
Last updated: July 6, 2026
Spline - Spline offers a free plan, offers 4 tiers vs 1.
Principle vs Spline: Quick Pricing Facts
| Feature | Principle | Spline |
|---|---|---|
| Starting Price | Custom pricing | $12/mo |
| Number of Plans | 1 | 4 |
| Free Tier | No | Yes |
| Pricing Model | flat | freemium |
| Annual Discount | N/A | N/A |
Principle and Spline are both priced at Custom pricing, making them equally accessible Design Tools. Together they offer 5 pricing plans with 0 features compared, so the best choice comes down to which features match your needs.
Spline stands out with a free plan for getting started. Principle uses flat pricing while Spline 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.
Ready to get started? Try either tool free — no credit card required.
Frequently Asked Questions: Principle vs Spline
How many pricing plans does Principle have vs Spline?
Does Principle or Spline offer a free plan?
Does Principle or Spline offer custom enterprise pricing?
What pricing models do Principle and Spline use?
How do Principle and Spline compare for Design Tools?
Sources
- Principle Official Pricing- Vendor pricing page
- Spline Official Pricing- Vendor pricing page
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