Comparison

MockFlow vs Pencil Project

On the evidence we track, MockFlow leads this comparison with a composite score of 74/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
MockFlow74
Pencil Project35
Score
Vioscale score
MockFlow74 / 100medium · 55%
Pencil Project35 / 100low · 8%
Pricing
Free tier
MockFlow
Pencil Project
Model
MockFlowfreemium
Pencil Projectopen_source
Price level
MockFlowlow
Pencil Projectfree
Transparent
MockFlow
Pencil Project
Integrations
Count
MockFlow32
Pencil Project1
Security
Certifications
Pencil Project
Iso27001
MockFlow
Pencil Project
Soc2
MockFlow
Pencil Project
Trust center
Pencil Project
Market
Availability
Pencil Project

Capabilities

Feature-by-feature on the axes that matter for wireframing. “-” means undocumented, not absent.

Capabilities
Architecture model
MockFlowManaged cloud saas browser
Pencil ProjectDesktop local application
Enforced low fidelity sketch rendering aesthetic
MockFlow
Pencil Project-
Pre built ios android web UI component library
MockFlow
Pencil Project
AI generation from text prompts or napkin sketches
MockFlow
Pencil Project-
Drag and drop click through user flow linking
MockFlow
Pencil Project
Real time multiplayer crdt cursor sync
MockFlow
Pencil Project-
Confluence and jira native iframe embedding
MockFlow
Pencil Project-
Export to high fidelity tools figma sketch
MockFlow
Pencil Project-
Click heatmap and basic usability testing integration
MockFlow-
Pencil Project-
Offline editing mode
MockFlow
Pencil Project
SOC2 type ii
MockFlow
Pencil Project-
ISO 27001
MockFlow
Pencil Project-
Pricing model
MockFlowPer editor seat monthly
Pencil Project-

What each one is

The product in its own terms, so the numbers below have context.

MockFlow

Leader

A cloud-based design and brainstorming platform enabling teams to create wireframes, flowcharts, user flows, and architectural diagrams with integrated AI assistance. Features production code export via Build mode, 20+ business tool integrations, offline desktop apps, and real-time team collaboration.

Independently observed

Pencil Project

A freely available desktop tool for creating wireframes and mockups with built-in templates for web, mobile, and desktop user interfaces. Includes diagram drawing, interactive prototyping, and multi-format export capabilities.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

MockFlow

Leader
HybridFree tier

Free plan available. Paid plans at per-editor-seat pricing, billed monthly or yearly.

  • BasicFree
    • Wireframing and prototyping
    • Diagrams, mindmaps, flowcharts, moodboards, storyboards
    • WireframePro UI design tool
    • All templates and component libraries
    • Brainstorming with AI assistance
    • +3 more
  • PlusPer editor seat, billed monthly or yearly
    • All Basic features
    • Live polls, voting, spinners, timers for workshops
    • Connectors to 20+ business apps
    • SSO, SAML, SCIM authentication
    • Offline desktop app for Windows and macOS
    • +4 more
  • MaxPer editor seat with production-ready code generation
    • All Plus features
    • Build mode: export to React, iOS, Android, and other frameworks
    • Figma export
    • Custom team UI kits
    • Offline desktop app
    • +2 more
as of verify ↗

Pencil Project

Open sourceFree tier

Free and open-source

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
MockFlow
Pencil Project
macOS
MockFlow
Pencil Project
Windows
MockFlow
Pencil Project
Linux
MockFlow
Pencil Project
Deployment
Cloud / SaaS
MockFlow
Pencil Project
Hybrid
MockFlow
Pencil Project

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

MockFlow

Leader
32 total
  • Slack
  • Microsoft Teams
  • Gmail
  • Outlook
  • Office 365
  • Jira
  • Confluence
  • Trello
  • Linear
  • Asana
  • Notion
  • Google Drive
  • Google Docs
  • Google Sheets
  • Airtable
  • GitHub
  • HubSpot
  • Google Analytics
  • Mixpanel
  • Amplitude
  • PostHog
  • Fathom
  • Google Calendar
  • Claude
  • +8 more
Independently observed

Pencil Project

1 total
  • OpenClipart.org
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.

MockFlow vs Pencil Project: an evidence-based comparison · Vioscale