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Head-to-head · UI Design Tools

Mockplus vs Proto.io

  • Updated Oct 2026
  • Both researched from official sources
  • 9 checks side by side
Higher score Mockplus #2 in UI Design Tools 9.2/10 Free plan Free plan✓ 7 of 7 features Visit Mockplus
Proto.io #16 in UI Design Tools 7.8/10 Free plan · 15-day trial Free planFree trial✓ 4 of 7 features Visit Proto.io

Mockplus leads on 2 checks, Proto.io on 0, and 7 are even. Who comes out ahead on the 9 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMockplus · 9.2/10
  • Lowest starting priceMockplus · $5.95/user/mo
  • Free planboth
  • Free trialonly Proto.io
  • Most featuresMockplus · 7 of 7

Mockplus scores higher on our rubric for ui design tools: 9.2 against 7.8 out of 10; our editors rank them #2 and #16.

Mockplus is cheaper to start at $5.95/user/mo against $29/user/mo. Mockplus offers desktop app; Proto.io doesn't.

Mockplus is the better fit for budget-conscious cross-platform teams. Proto.io is the better fit for teams needing many sharing controls.

  • Mockplus fits best

    Budget-conscious cross-platform teams

  • Proto.io fits best

    Teams needing many sharing controls

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Mockplus 9.2/10 Visit ↗ Proto.io 7.8/10 Visit ↗
At a glance
Editor score 9.2 7.8
Ranking #2 in UI Design Tools #16 in UI Design Tools
Best for Budget-conscious cross-platform teams Teams needing many sharing controls
Pricing model Free plan + paid Free plan + paid
Starting price $5.95/user/mo (best) $29/mo
Free plan ✓ ✓
Free trial — 15 days
Deployment Cloud, Self-hosted, Desktop, Mobile Cloud, Mobile
Platforms Web, Windows, macOS, iOS, Android Web, iOS, Android
Support Email, Community, Docs · 24/7 Live chat, Tickets, Docs
Compliance GDPR ISO 27001, GDPR, SSO/SAML
Integrations 9 integrations 9 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Mockplus 7/7 · Proto.io 4/7
Real-time collaboration ✓ (best) Not checked yet
Interactive prototyping ✓ ✓
Design systems ✓ ✓
Developer handoff ✓ (best) Not checked yet
Variables or design tokens ✓ ✓
Desktop app ✓ (best) —
Prototype sharing ✓ ✓
Our review
Pros
  • Free Basic plan supports up to 10 users and unlimited designs
  • Real-time co-editing, interactive prototypes, and revision history
  • Imports Figma, Sketch, Photoshop, Adobe XD, and Axure files
  • Variables, reusable components, and design-system support
  • Multiple preview modes, including offline mobile preview
  • Detailed sharing links, comments, threads, and user-testing links
Cons
  • Pro pricing is billed annually at $4.95 per user per month
  • Enterprise uses custom features and pricing arrangements
  • Its broad feature set may exceed the needs of simple prototype projects
  • Concurrent editing is unavailable
  • The product is web-based rather than a desktop app
  • Plan limits vary by users and active projects
Our verdict

Mockplus is a product design platform for UX/UI designers, developers, product managers, and stakeholders. It combines UI design, wireframing, interactive prototyping, feedback, collaboration, design-system management, and developer…

Read the review →

Proto.io is a web-based UI prototyping platform for UX designers, product managers, entrepreneurs, marketers, students, and product teams. Its drag-and-drop editor supports interface construction with component libraries and templates,…

Read the review →
  1. MockplusUI Design Tools 9.2Free plan
  2. Proto.ioUI Design Tools 7.8Free plan · 15-day trial

Strengths and trade-offs

  • Mockplus — where it wins

    • Free Basic plan supports up to 10 users and unlimited designs
    • Real-time co-editing, interactive prototypes, and revision history
    • Imports Figma, Sketch, Photoshop, Adobe XD, and Axure files

    Where it doesn't

    • Pro pricing is billed annually at $4.95 per user per month
    • Enterprise uses custom features and pricing arrangements
    • Its broad feature set may exceed the needs of simple prototype projects

  • Proto.io — where it wins

    • Variables, reusable components, and design-system support
    • Multiple preview modes, including offline mobile preview
    • Detailed sharing links, comments, threads, and user-testing links

    Where it doesn't

    • Concurrent editing is unavailable
    • The product is web-based rather than a desktop app
    • Plan limits vary by users and active projects
  • Mockplus9.2/10 · Free plan

    A broad UI design suite with cross-platform access and a low-cost annual Pro tier.

    Visit MockplusFull verdict →
  • Proto.io7.8/10 · Free plan · 15-day trial

    A feature-rich prototyping tool with extensive sharing controls but no concurrent editing.

    Visit Proto.ioFull verdict →

More comparisons

All UI design tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update