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Design · head to head

ProtoPie vs Subframe

ProtoPie logo

ProtoPie

Design

Create advanced interactive prototypes

From
Free
Rated
-
Full reviewWebsite
Subframe logo

Subframe

Design

The AI-native design tool built for code

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: ProtoPie the free plan allows 2 prototypes, 8 scenes per prototype and 50MB of cloud storage; Subframe free plan limited to 1 project and 10 pages
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ProtoPie and Subframe actually diverge.

Attributes where ProtoPie and Subframe differ
AttributeProtoPieSubframe
PlatformsWindows, Macos, Web, Ios, AndroidWeb
Founded2013Unknown

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Design).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in ProtoPie

  • Interactive prototyping
  • Data binding
  • Advanced interactions
  • Animation
  • Collaboration
  • Cloud sharing
  • Device testing
  • Code export

Only in Subframe

Nothing recorded that ProtoPie does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

ProtoPie

  • Interactive prototype designnot Subframe
  • User testing and handoff managementnot Subframe
  • Team design collaborationnot Subframe

Subframe

  • Creating production-ready interfaces without static mockupsnot ProtoPie
  • Syncing design components with code as single source of truthnot ProtoPie
  • Building responsive designs with auto layoutnot ProtoPie
  • Real-time multiplayer collaboration with layer commentingnot ProtoPie
  • Exporting Radix UI and Tailwind CSS code via CLInot ProtoPie

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

ProtoPie

  • The free plan allows 2 prototypes, 8 scenes per prototype and 50MB of cloud storage
  • Free prototypes carry a watermark and shareable links require the Basic plan
  • Saving prototypes locally requires the Pro plan
  • Team libraries and handoff recordings require the Pro plan
  • Basic caps storage at 500MB and prototypes at 20
  • Single sign on, private servers, custom fonts and custom hardware integrations are Enterprise only
  • Enterprise requires a minimum of 3 seats and is priced by quote
  • Connect Core is a paid add on at $20 per user per month

Subframe

  • Free plan limited to 1 project and 10 pages
  • Free plan includes limited AI features compared to Pro
  • Pro plan billed per editor, not per team

Pricing, plan by plan

ProtoPie

Free
  • FreeFree
    • 2 prototypes
    • 8 scenes per prototype
    • 50MB cloud storage
  • Basic$25/month
    • 20 prototypes
    • 10 scenes per prototype
    • 500MB storage
  • Pro$47/month
    • Unlimited prototypes
    • Unlimited handoff recordings
    • 5GB team storage

Subframe

Free
  • FreeFree
    • 1 project
    • Up to 10 pages
    • 2 prototypes
  • Pro$29/month
    • Unlimited projects
    • Unlimited pages
    • Unlimited prototypes

Which should you pick?

Choose ProtoPie if

  • You need interactive prototyping.
  • You want to start without paying.
  • You work on Windows, Macos, Web, Ios, Android.
  • You also want data binding.
ProtoPie review

Choose Subframe if

  • You want to start without paying.
Subframe review

Questions people ask

Is ProtoPie or Subframe better?
Neither clearly leads. ProtoPie starts at Free and Subframe at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ProtoPie or Subframe?
ProtoPie starts at Free and Subframe at Free.
Does ProtoPie or Subframe run on more platforms?
ProtoPie runs on Windows, Macos, Web, Ios, Android. Subframe runs on Web.
Can I use ProtoPie for free?
Both have a free tier, so you can try either at no cost before committing.
What is ProtoPie best used for?
ProtoPie is most often used for interactive prototype design, user testing and handoff management, team design collaboration. Of those, interactive prototype design and user testing and handoff management are not what Subframe is typically brought in for.
What can ProtoPie do that Subframe cannot?
ProtoPie covers Interactive prototyping, Data binding, Advanced interactions, Animation.

Answered from the vendors’ own pages

ProtoPie: How much does ProtoPie cost?

ProtoPie offers a free plan ($0/month), Basic at $25/month, and Pro at $47/month per editor. Annual billing offers up to 26% savings. Enterprise pricing is custom for minimum 3 seats.

Source
Subframe: Is there a free version of Subframe?

Yes, Subframe offers a free plan with 1 project, up to 10 pages, 2 prototypes, unlimited team members, and limited AI features.

Source
ProtoPie: Is there a free version of ProtoPie?

Yes. The free plan includes 2 prototypes, 8 scenes per prototype, and 50MB cloud storage. Perfect for trying the platform.

Source
Subframe: How is the Pro plan priced?

Subframe Pro costs $29 per editor per month, with unlimited projects, pages, prototypes, and AI usage.

Source
ProtoPie: What is included in the Pro plan?

Pro plan at $47/month includes unlimited prototypes, unlimited handoff recordings, 5GB team storage, local saving, and team libraries per editor.

Source
Subframe: Are viewer seats free?

Yes, Subframe offers free viewer seats across all pricing plans, allowing team members to view without an editor license.

Source
ProtoPie: What add-on products does ProtoPie offer?

Connect Core ($20/month per user), Connect Enterprise and Connect Embedded (custom pricing), and User Testing (custom pricing, annual-only for Pro plan users).

Source
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