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Design Tools

ProtoPie vs Spline: Pricing Comparison 2026

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

Bottom line: Spline starts at $12/mo, making it $35/mo cheaper than ProtoPie ($47/mo). Spline offers a free plan.

Last updated: July 6, 2026

Data compiled by Arthur Jacquemin
Updated July 6, 2026
Try ProtoPie freeTry Spline freeUpdated this monthPrice updated 11d ago
Best Value

Spline - Spline offers a free plan, starts at $35/mo lower ($12/mo vs $47/mo), offers 4 tiers vs 3.

ProtoPie vs Spline: Quick Pricing Facts

FeatureProtoPieSpline
Starting Price$47/mo$12/mo
Number of Plans34
Free TierNoYes
Pricing Modelper-seatfreemium
Annual DiscountN/AN/A

Spline is the more affordable option, starting at $12/mo compared to ProtoPie's $47/mo. Both are Design Tools with 7 combined pricing plans and 23 features compared.

Spline stands out with a free plan for getting started. ProtoPie uses per-seat 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.

Pricing Plans
ProtoPie
ProtoPie
Try free
Spline
Spline
Try free
Tier 1
Add-ons:Popular
$251/month
Includes
  • ProtoPie AI Credits Beta
  • No watermark
  • 20 prototypes, saved in Cloud
  • 10 scenes per prototype
  • 500 MB Cloud storage
  • 1 handoff recording
  • $ Connect Core
Start with Add-ons:
Free
$0/monthCheapest
Start with Free
Tier 2
Basic features, plus:Popular
$47/month
Includes
  • ProtoPie AI Credits Beta
  • Unlimited prototypes
  • Unlimited handoff recordings
  • 5GB cloud storage per team
  • Local prototype saving
  • Team libraries
  • $ Connect Core
  • $ User testing (Annual-only)
Start with Basic features, plus:
Starter
$12/monthCheapest
Start with Starter
Tier 3
Pro features, plus:Popular
Custom pricing
Includes
  • ProtoPie AI Credits Beta
  • Private server & service admin rights
  • Dedicated training & support
  • Custom hardware integrations
  • Custom fonts
  • ISO Compliance
  • Enterprise-grade security & SSO
  • $ User testing
Start with Pro features, plus:
Professional
$20/monthCheapest
Start with Professional
Tier 4
-
Enterprise
Custom pricing
Start with Enterprise

← Swipe to compare plans →

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Try ProtoPie freeFrom $47/moTry Spline freeFree plan available
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ProtoPie

Advanced interactive prototyping tool with sensor interactions

View all ProtoPie plans

Spline

Browser-based 3D design tool with real-time collaboration

View all Spline plans

Frequently Asked Questions: ProtoPie vs Spline

Which is cheaper, ProtoPie or Spline?
As of July 2026, Spline starts at a lower price point. ProtoPie starts at $47/mo while Spline starts at $12/mo. However, the best value depends on the features you need at each tier.
How many pricing plans does ProtoPie have vs Spline?
ProtoPie offers 3 pricing plans, while Spline offers 4 plans. More plans typically means more flexibility to match your exact needs and budget.
Does ProtoPie or Spline offer a free plan?
Spline offers a free plan, while ProtoPie does not. If budget is a concern, Spline lets you get started at no cost.
What is the most popular ProtoPie plan?
The Add-ons: plan is ProtoPie's most popular tier, priced at $251/mo. Key features include ProtoPie AI Credits Beta, No watermark, 20 prototypes, saved in Cloud.
Does ProtoPie or Spline offer custom enterprise pricing?
Yes, both ProtoPie and Spline offer custom enterprise pricing tiers with quote-based pricing. Contact each vendor for a tailored quote.
What pricing models do ProtoPie and Spline use?
ProtoPie uses a per-seat pricing model, while Spline uses freemium pricing. The right model depends on your team size and usage patterns.
How do ProtoPie and Spline compare for Design Tools?
Both ProtoPie and Spline are Design Tools. ProtoPie offers 3 plans starting at $47/mo, while Spline offers 4 plans starting at $12/mo. Review the feature breakdowns above to see which better fits your Design Tools needs.
AI Recommendations

Sources

  1. ProtoPie Official Pricing- Vendor pricing page
  2. Spline Official Pricing- Vendor pricing page

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