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Design

ProtoPie

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Panel rating · 6 judges · How to read the stars

Category median

Sovereignty: 1 of 6 dimensions proven

0–5 in half steps. 5 means the rubric's top anchor is met on the evidence.

by ProtoPie Inc. · www.protopie.io

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ProtoPie: AI-assisted analysis on whats-best.ai ProtoPie: AI-assisted analysis on whats-best.ai (dark)

Add ?theme=dark to the image address for dark backgrounds. The badge shows the category and the month of the latest evaluation, and EU-Made where that is the product’s provenance. It never shows a score.

ProtoPie at a glance

Vendor
ProtoPie Inc.
Headquarters
Not stated on the vendor’s pages as of 3 Nov 2026
Data hosting
Outside the EU by default source, captured 3 Nov 2026
Free plan
Yes, per the vendor’s own page source, captured 3 Nov 2026
Panel verdict
The AI panel rates ProtoPie 2/5, the mean of 6 judges. ProtoPie, from Studio XID, is an interaction prototyping tool. how scores are made
As of
Vendor pages captured 3 Nov 2026; evaluated by the panel 4 Nov 2026. all sources

ProtoPie alternatives, European ones first →

Read this page as one judge. Each weighs the same scores by what they care about.

The Skeptic

Weighted verdict

Has read "free for viewers", "commercially safe AI" and "export anytime" on every page in this category. Reads instead for the click that turns a reviewer into a billed editor, the plan the IP indemnity actually covers, and whether the export keeps a single component.

Same scores as the panel view — this lens weights them the way this judge cares.

Scored by The Skeptic

Panel median The Skeptic This judge’s scores over the panel median. Each label opens its reasoning below.
Scores per criterion, in stars out of 5
Criterion Panel median The Skeptic
Design, prototyping & design systems 3 of 5 3 of 5
Collaboration, review & developer handoff 2 of 5 2 of 5
Brand assets & governance 0.5 of 5 1 of 5
Files, formats & portability 2 of 5 2 of 5
AI features & rights to the work 3 of 5 3 of 5
European sovereignty 0.5 of 5 0.5 of 5

Design, prototyping & design systems

How this is scored

The making itself: vector and layout tools, interactive prototypes, and the shared components, styles and tokens that keep a company's products and materials consistent — judged on what the feature and help pages document, not on showcase images.

0 — Not a design tool: a file viewer, a stock library or a single-purpose converter in which nothing is laid out or drawn.

3 — A canvas or editor with templates, shapes, text and images; reusable components, shared styles and prototyping are basic or not described.

5 — Reusable components or styles shared across files, responsive or auto layout, and clickable prototypes or presentations linking screens.

8 — A design system managed in the tool: team libraries that update where they are used, variables or tokens for colour, type and spacing with modes or themes, component variants and properties, prototypes with transitions and conditional logic, and library changes published with versions.

10 — The design system is a governed product: library releases versioned and reviewable, token export in a documented format for development, usage analytics per component, and accessibility checks such as contrast built into the editor.

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The Skeptic

The component engine is the real thing — main components, instances that update, overrides that survive main-component edits, instance swap and overridable variables — with Figma import keeping variants and reimport updating layers while preserving ProtoPie edits, plus Auto Layout and scene-linked prototypes with transitions and conditional logic. The documented library is the user's local library, though: we found no public information on team libraries published with versions, or colour, type and spacing tokens with themes or modes. 1 2 3 6

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Collaboration, review & developer handoff

How this is scored

Working on the same files with colleagues, clients and developers: comments and review, permissions for internal and external people, and the handoff that gives engineering measurements, assets and code rather than screenshots.

0 — A single-user tool: files are worked on alone and passed on as exports.

3 — Files shared by link with comments or real-time co-editing; guest access, permissions and a developer view are basic or not described.

5 — Real-time co-editing, comments with mentions, sharing with view or edit rights per file or project, and an inspect or developer view with measurements and asset export.

8 — Guests and reviewers who comment without a paid seat, version history with restore, branching or review of changes before they reach the main file, a developer mode that links components to code, a documented API and plugins, and named integrations with issue trackers and code tools.

10 — Handoff is a contract between design and code: component properties mapped to code components, token and asset export automated through the API, an audit log of access and sharing, and external access governed by domain, expiry and admin policy.

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The Skeptic

Sharing controls are genuinely documented — view-or-download choice, password protection, team-space restriction, per-scene links, and Enterprise-only link expiry of one day, three days or one week — and handoff to engineers is documented as interaction recordings and interaction specifications. We found no public information on co-editing, comments with mentions, or an inspect view giving developers measurements and asset export. 1 4 5

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Brand assets & governance

How this is scored

Keeping a brand usable and correct across a company: a central library for logos, images and templates, brand guidelines people can find, locked templates that let non-designers produce material, and rights and expiry metadata on every licensed asset.

0 — No shared assets of any kind; the product has no library, kit or template that a team uses together.

3 — A shared folder, brand kit or template set with logos, colours and fonts; locking, guidelines and asset metadata are basic or not described.

5 — A central brand kit or library with logos, colours and fonts, team templates that non-designers can fill, and the ability to lock brand elements or restrict who edits templates.

8 — Brand guidelines published in the tool, tagging and search across assets, approval workflows for new assets and template output, version control on assets, rights, usage and expiry metadata with warnings on expiry, and access per team, market or partner.

10 — Brand governance is auditable: every asset carries its licence, owner and permitted use, usage of each asset is tracked across files and channels, distribution to external partners is logged, and the whole library with metadata is exportable in a documented format.

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The Skeptic

The shared library the help pages document holds prototype components and their variants — design reuse, not brand management. We found no public information on a brand kit of logos, colours and fonts, guidelines, locked templates for non-designers, or licence, usage and expiry metadata on assets. 2 6

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Files, formats & portability

How this is scored

Whether the work can leave: open or documented file formats, export that keeps layers, vectors and components, offline or self-hosted options, and what happens to files after a downgrade, a removed seat or a cancelled contract.

0 — Work cannot leave the product: no export or download of designs is offered.

3 — Export of designs as images or PDF per page or frame; export of whole files with structure and access after cancellation are basic or not described.

5 — Export to PNG, PDF and SVG with vectors and text kept, whole files downloadable to a local copy, and files of a downgraded or cancelled account addressed in the help centre or terms.

8 — An open or publicly documented file format, import from and export to other named tools documented, bulk export of a team’s files, an API that reads full file structure, files of removed users transferred to the organisation by policy, and a stated retention and deletion timeline after the contract ends.

10 — Portability is built in: an open-source or openly specified format, self-hosting or a local-first option, round-trip export without loss of components and prototypes, and the customer’s ownership of all files and their export rights written into the terms.

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The Skeptic

Getting work in is documented in depth — Figma import with a property list, components with full variant support, and reimport that updates layers while preserving ProtoPie edits — and the share dialog controls who can download the prototype. We found no public information on a documented file format or export out of ProtoPie with structure preserved, or on what happens to files after a downgrade or cancelled contract; the AI terms name an Enterprise On-premise plan but the captured pages do not say what it includes. 5 6 8

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AI features & rights to the work

How this is scored

What the vendor's AI does with the customer's files and what the customer may do with the AI's output: training on customer content and the opt-out, the models and where they run, commercial use of generated images, stock licences and indemnity.

0 — The terms state that customer files train the vendor’s models with no opt-out, or that generated output may not be used commercially.

3 — AI features described on an AI or help page with a general statement on responsible use or data handling; training on customer files, admin controls and output rights are basic or not described.

5 — A statement on whether customer content trains the models (excluded, or with a documented opt-out), AI features that an admin can switch off for the organisation, and commercial use of generated output addressed in the terms or AI page.

8 — Training excluded by default for business plans, model providers and the processing location of AI features stated, generated content labelled or carrying content credentials, stock and template licences stated per asset type, and an IP indemnity for generated output on a named plan.

10 — AI is governed in writing: a per-feature list of models, providers and locations, admin controls per team and feature, a log of AI use, training exclusion and output ownership in the contract terms, and indemnity and licence limits published in full.

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The Skeptic

The AI terms go further than most in this category: named providers with locations, ProtoPie's 90-day and the providers' 30-day retention, immediate deletion for China users, and "you own the Outputs" with rights retained on inputs. Against that, for Basic and Pro users ProtoPie AI "may use the Inputs you submit or make available to improve our Services" with no opt-out on any captured page, the admin switch is organisation-level and Enterprise only, and outputs are provided "as is" with all faults — we found no indemnity on any plan. 1 8

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European sovereignty

How this is scored

Who the contracting entity is, where design files, brand assets and AI prompts are stored and processed, and which subprocessors touch them. Independently sourced by the sovereignty pipeline.

0 — Proven non-EU on every dimension the evidence covers: non-EU contracting entity and non-EU hosting, with no EU option stated.

3 — One European element proven: an EU contracting entity or EU representative, EU data residency (even if only on an enterprise plan), or a published DPA, with the rest of the chain unstated.

5 — EU hosting stated for files as standard or selectable and an EU contracting entity or EU representative, with a DPA offered; the subprocessor chain (AI, rendering, support) is unstated or partly non-EU.

8 — EU contracting entity, files, assets and backups stored in the EU on named infrastructure, subprocessor list published with locations and purposes, and the processing location of AI features stated.

10 — Sovereign end to end and evidenced: European ownership, EU entity, every hosting, AI and support subprocessor European or optional, self-hosting or a European cloud offered, and certifications published.

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The Skeptic

The only dimension these pages prove runs against Europe: AI processing goes through Anthropic PBC in the United States, and "data residency selections" are listed among unsupported options. Studio XID's jurisdiction, where stored prototypes are hosted, and any data processing agreement are unstated, and no European element appears on any captured page. 1 8

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Pricing transparency not rated — the vendor publishes no price

How this is scored

Whether a buyer can compute the annual cost for their team from public pages alone — which seat types exist and what each may do, how viewers and guests are billed, how seats are added and trued up, AI credits, and the plan where SSO, admin controls and brand features begin.

0 — No public prices at all; every plan is a sales conversation.

3 — A public "from" price or one priced plan, per seat or flat.

5 — Per-seat prices public for the main plans with the billing period stated and the main features per plan listed.

8 — Every plan and seat type priced, free viewers and guests stated with their limits, how and when added seats are billed explained, AI credits and storage priced or included explicitly, the plan that unlocks SSO and admin controls named, and VAT treatment stated.

10 — Complete cost computability: annual cost derivable for a given mix of editors, viewers and guests, true-up and auto-upgrade rules published, every add-on priced publicly, and contract term, renewal and downgrade conditions stated.

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The Skeptic

The captured pages name Free, Perpetual, Individual, Basic, Pro (Plus), Enterprise and Enterprise On-premise plans, and document AI credit pooling by team or organisation with resets on each user's billing anniversary — but we found no price figure on any captured page, so a buyer cannot begin to compute a year's cost from the public information we read. 1 4 8

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European sovereignty — proven facts

1 of 6 dimensions proven

Built only from facts shown on the vendor's own pages. A dimension we could not prove is left open, not scored as zero.

Hosting location Outside the EU ⚠ unverified 0/4 pts 8 Report an error
Hosting options Not determined ⚠ unverified — uncited Report an error
Open source Not determined — uncited Report an error
Data processing agreement Not determined — uncited Report an error
Transfer impact assessment Not determined — uncited Report an error

Questions about ProtoPie

Is ProtoPie European?

Not determined: the vendor’s pages as captured do not say where ProtoPie is based.

Where does ProtoPie store data?

ProtoPie stores customer data outside the EU by default, per the vendor’s page captured 3 Nov 2026.

Does ProtoPie have a free plan?

Yes. ProtoPie has a free plan, per the vendor’s page captured 3 Nov 2026.

What are the best alternatives to ProtoPie?

As of 4 Nov 2026, the panel rates Penpot (3.5/5), Sketch (3/5) and Collaboard (3/5) highest among the other 21 Design products evaluated. Ratings that look equal are rounded to half stars; the order uses the unrounded rating, then the name. The highest-rated European alternative is Penpot (EU-Made). Ratings are the AI panel’s opinion, formed from public evidence: how scores are made. The full list, with European products first: ProtoPie alternatives.

Where this could be wrong

What we left out

A claim that does not survive our checks costs us the claim, not the page. This is what was taken off this one.

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Sources (8)

The pages every claim on this page was read from — each one checked, dated, and kept verifiable.

  1. 1 Vendor page www.protopie.io Checked 3 Nov 2026 Details →
  2. 2 Design, prototyping & design systems — found from sitemap www.protopie.io Checked 3 Nov 2026 Details →
  3. 3 Design, prototyping & design systems — found from sitemap www.protopie.io Checked 3 Nov 2026 Details →
  4. 4 Collaboration, review & developer handoff — found from sitemap www.protopie.io Checked 3 Nov 2026 Details →
  5. 5 Collaboration, review & developer handoff — found from sitemap www.protopie.io Checked 3 Nov 2026 Details →
  6. 6 Files, formats & portability — found from sitemap www.protopie.io Checked 3 Nov 2026 Details →
  7. 7 Files, formats & portability — found from sitemap www.protopie.io Checked 3 Nov 2026 Details →
  8. 8 AI features & rights to the work — found from sitemap www.protopie.io Checked 3 Nov 2026 Details →