Argos vs BackstopJS
Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.
Entry price
From $100 per month (Pro, usage-based, 35k screenshots included)
Free tierFree and open source
Open sourceWhat drives the bill
The metric that actually scales your invoice.
Pro is usage-based from $100/month including 35,000 screenshots, with extras at $0.004 each ($0.0015 for Storybook). SSO is a paid add-on: $50/month for GitHub, $200/month for SAML.
Free and open source. You pay in engineering time and CI minutes.
Free tier
Hobby plan is free forever with up to 5,000 screenshots; free for open-source projects.
Everything, self-hosted
Open source
MIT
MIT
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Emerging
Argos · since 2017
Established
OSS community · since 2015
Strengths
- Clean, fast PR review experience.
- Genuinely affordable, with a workable free tier.
- Open source, so self-hosting is a real fallback.
- Free with no snapshot quota — run it as often as you like.
- Baselines stay in your repository, which suits regulated or air-gapped environments.
- Simple JSON configuration that a junior engineer can extend.
Limitations
- Fewer integrations than Percy or Applitools.
- Small team behind it.
- Limited cross-browser rendering options.
- Pixel-diff comparison means font rendering differences between machines cause false failures; Docker is effectively mandatory.
- No hosted review or approval workflow — approving means committing new images.
- Reference images bloat the Git repository over time.
Best for
Small and mid-sized teams wanting visual review in PRs at a sane price.
Teams that need visual testing without a SaaS vendor or a per-snapshot bill.
All of these integrate with: Playwright.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.