Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Visual Regression Testing Software

Happo vs SmartUI

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Happo #4 in Visual Regression Testing Software 8.8/10 Free plan Free plan✓ 3 of 3 features Visit Happo
SmartUI #7 in Visual Regression Testing Software 8.5/10 Free plan Free plan✓ 3 of 3 features Visit SmartUI

Happo leads on 1 check, SmartUI on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreHappo · 8.8/10
  • Lowest starting priceHappo · $149/mo
  • Free planboth

Happo scores higher on our rubric for visual regression testing software: 8.8 against 8.5 out of 10; our editors rank them #4 and #7.

Happo is cheaper to start at $149/mo against $199/mo. On visual diff modes, SmartUI gives you Ai-assisted where Happo offers Pixel.

Happo is the better fit for teams testing web and mobile interfaces. SmartUI is the better fit for AI-assisted cross-platform visual testing.

  • Happo fits best

    Teams testing web and mobile interfaces

  • SmartUI fits best

    AI-assisted cross-platform visual testing

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 Happo 8.8/10 Visit ↗ SmartUI 8.5/10 Visit ↗
At a glance
Editor score 8.8 8.5
Ranking #4 in Visual Regression Testing Software #7 in Visual Regression Testing Software
Best for Teams testing web and mobile interfaces AI-assisted cross-platform visual testing
Pricing model Free plan + paid Free plan + paid
Starting price $149/mo (best) $199/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud
Platforms Web, iOS, Android Web, iOS, Android
Support Email, Docs Email, Live chat, Community, Docs · 24/7
Compliance SSO/SAML SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS, SSO/SAML, 2FA
Integrations 10 integrations 120+ integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Happo 3/3 · SmartUI 3/3
Cross-browser capture ✓ ✓
CI/CD integrations ✓ ✓
Approval workflow ✓ ✓
Specs
Visual diff modes Pixel Ai-assisted
Project limit Not checked yet Not checked yet
Browser count 2 browsers Not checked yet
Our review
Pros
  • Supports visual and accessibility regression testing
  • Integrates with Storybook, Playwright, Cypress, and CI tools
  • Captures screenshots across browsers, responsive views, iOS, and Android
  • AI comparison with rendering-noise filtering and Smart Ignore
  • Web, mobile, PDF, and Figma visual testing coverage
  • Git-aware baselines, review workflows, and broad CI integrations
Cons
  • Paid plans begin at $149 per month
  • Advanced browser coverage is limited to higher paid tiers
  • No AI features or open-source offering
  • Free plan is limited to 2,000 screenshots for a lifetime
  • Build history is limited to one month on the Free plan
  • Paid visual regression testing starts at $199 per month, billed annually
Our verdict

Happo is a cloud-based platform for visual and accessibility regression testing across web, iOS, Android, and API workflows. Development teams can capture interface screenshots through Storybook, Playwright, Cypress, or custom API…

Read the review →

SmartUI is TestMu AI’s visual regression testing product for development and QA teams that need to compare interfaces across browsers, devices, viewports, operating systems, and document formats. It supports web, iOS, Android, and API…

Read the review →
  1. HappoVisual Regression Testing Software 8.8Free plan
  2. SmartUIVisual Regression Testing Software 8.5Free plan

Strengths and trade-offs

  • Happo — where it wins

    • Supports visual and accessibility regression testing
    • Integrates with Storybook, Playwright, Cypress, and CI tools
    • Captures screenshots across browsers, responsive views, iOS, and Android

    Where it doesn't

    • Paid plans begin at $149 per month
    • Advanced browser coverage is limited to higher paid tiers
    • No AI features or open-source offering

  • SmartUI — where it wins

    • AI comparison with rendering-noise filtering and Smart Ignore
    • Web, mobile, PDF, and Figma visual testing coverage
    • Git-aware baselines, review workflows, and broad CI integrations

    Where it doesn't

    • Free plan is limited to 2,000 screenshots for a lifetime
    • Build history is limited to one month on the Free plan
    • Paid visual regression testing starts at $199 per month, billed annually
  • Happo8.8/10 · Free plan

    A broad visual testing platform with a free tier and paid plans from $149 monthly.

    Visit HappoFull verdict →
  • SmartUI8.5/10 · Free plan

    A broad visual testing suite with AI comparison, useful free coverage, and a costly paid tier.

    Visit SmartUIFull verdict →

More comparisons

All visual regression testing software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update