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Testing · head to head

Percy vs QA Wolf

Percy logo

Percy

Testing

Visual regression testing owned by BrowserStack, with a permanent free tier for low screenshot volume

From
Free
Rated
-
Full reviewWebsite
QA Wolf logo

QA Wolf

Testing

Managed end to end test coverage where the vendor writes and maintains your Playwright suite

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Percy has a free tier, so it costs nothing to try first.
  • Each has a real cost: Percy pixel-based diffing generates more false positives from font rendering and anti-aliasing noise than Applitools' AI-based comparison, which trains some teams to start ignoring diff alerts over time.; QA Wolf it costs materially more than any tool licence in this category because you are paying for engineering labour, so the comparison is against a salary rather than against Playwright being free.
  • They diverge on capability: Percy covers Screenshot diffing, QA Wolf covers Tests written for you.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Percy and QA Wolf actually diverge.

Attributes where Percy and QA Wolf differ
AttributePercyQA Wolf
Starting priceFreeOn request
Pricing modelFreemium, paid tiers by screenshot volumequote
Free tierYesNo
PlatformsWebWeb, iOS, Android

Identical on both: user rating (Not yet rated), category (Testing).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Percy

  • Screenshot diffing
  • Framework integrations
  • Responsive and cross-browser snapshots
  • Review workflow
  • Build history
  • BrowserStack platform integration

Only in QA Wolf

  • Tests written for you
  • Human failure triage
  • Parallel hosted execution
  • Coverage targets
  • Portable Playwright output
  • CI and issue integration

What people use each for

The jobs each tool is most often brought in to do.

Percy

  • A team already on BrowserStack for device testing that wants to add visual regression without a separate vendor relationshipnot QA Wolf
  • A low-traffic project that can run indefinitely on the 5,000-screenshot free tier without paying anythingnot QA Wolf
  • A team wanting a lower cost per screenshot than Applitools and willing to tolerate more manual false-positive triagenot QA Wolf
  • A Cypress or Playwright test suite adding visual checks without changing its existing test runnernot QA Wolf

QA Wolf

  • A startup with no QA function that needs regression coverage before a release cadence moves to dailynot Percy
  • Engineering teams where developers currently spend a day a week fixing broken end to end testsnot Percy
  • Companies that tried a record and replay tool and abandoned it when maintenance overtook the benefitnot Percy
  • Organisations that want automated coverage but cannot recruit automation engineers in their marketnot Percy

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Percy

  • Pixel-based diffing generates more false positives from font rendering and anti-aliasing noise than Applitools' AI-based comparison, which trains some teams to start ignoring diff alerts over time.
  • It is billed separately from core BrowserStack device testing, and stacking Percy with other BrowserStack modules such as Accessibility Testing materially increases total contract value beyond the headline device testing price.
  • Paid tier pricing above the free tier is not transparently published as a fixed number, requiring a quote to know actual cost at scale.
  • The free tier's 5,000-screenshot cap is easy to exceed for any team running visual tests across multiple browsers and viewports on every commit, pushing many active projects into a paid tier faster than the free number suggests.
  • As part of a larger acquired portfolio, Percy's roadmap priority within BrowserStack's broader product strategy is less certain than it would be as a standalone company's sole focus.

QA Wolf

  • It costs materially more than any tool licence in this category because you are paying for engineering labour, so the comparison is against a salary rather than against Playwright being free.
  • An external team writes tests against a product they do not use daily, so coverage follows documented flows and misses the edge cases your own staff would have thought to check.
  • Every new feature needs to be communicated to the vendor before it can be covered, which adds a coordination step to your release process that an in house suite does not have.
  • Test runs happen on QA Wolf infrastructure, so testing an environment behind a corporate VPN or with strict data residency rules requires negotiation and may not be possible.
  • The service assumes a reasonably stable application; a product still changing its core flows every sprint will burn the maintenance allowance quickly and prompt a repricing.

Pricing, plan by plan

Percy

Free
  • FreeFree
    • 5,000 screenshots a month
    • Unlimited users and projects
    • 30-day build history
  • Percy$undefined/month
    • Priced by screenshot volume above the free tier
    • Sold separately from core BrowserStack device testing plans
    • Get a current quote before assuming bundled pricing with other BrowserStack products

QA Wolf

On request
  • QA Wolf$undefined/year
    • Annual contract quoted on the number of tests maintained and the coverage target agreed
    • Priced as a service, not a licence, so the figure is closer to headcount than to tool spend

Which should you pick?

Choose Percy if

  • You need screenshot diffing.
  • You want to start without paying.
  • You also want framework integrations.
Percy review

Choose QA Wolf if

  • You need tests written for you.
  • You work on Web, iOS, Android.
  • You also want human failure triage.
QA Wolf review

Questions people ask

Is Percy or QA Wolf better?
Neither clearly leads. Percy starts at Free and QA Wolf at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Percy or QA Wolf?
Percy has a free tier; the other does not. Paid plans start at Free for Percy and On request for QA Wolf.
Does Percy or QA Wolf run on more platforms?
Percy runs on Web. QA Wolf runs on Web, iOS, Android.
Can I use Percy for free?
Yes. Percy has a free tier, so you can try it without paying. QA Wolf starts at On request.
What is Percy best used for?
Percy is most often used for a team already on browserstack for device testing that wants to add visual regression without a separate vendor relationship, a low-traffic project that can run indefinitely on the 5,000-screenshot free tier without paying anything, a team wanting a lower cost per screenshot than applitools and willing to tolerate more manual false-positive triage, a cypress or playwright test suite adding visual checks without changing its existing test runner. Of those, a team already on browserstack for device testing that wants to add visual regression without a separate vendor relationship and a low-traffic project that can run indefinitely on the 5,000-screenshot free tier without paying anything are not what QA Wolf is typically brought in for.
What can Percy do that QA Wolf cannot?
Percy covers Screenshot diffing, Framework integrations, Responsive and cross-browser snapshots, Review workflow. QA Wolf covers Tests written for you, Human failure triage, Parallel hosted execution, Coverage targets.

Answered from the vendors’ own pages

Percy: Is Percy free?

Yes for up to 5,000 screenshots a month with unlimited users and projects; beyond that it is a paid, quote-priced module.

QA Wolf: Do we own the tests?

Yes. They are standard Playwright and customers can take the repository, which is the main protection against lock in here.

Percy: Is Percy included if I already pay for BrowserStack device testing?

No, it is billed separately by screenshot volume, not bundled into core device testing plans.

QA Wolf: Is eighty per cent coverage of the whole product?

It is of the flows agreed during onboarding, not of the code. Confirm what is in scope before signing.

Percy: How does it compare to Applitools?

Percy uses pixel-based diffing, which is generally cheaper per screenshot but produces more false positives than Applitools' AI-based perceptual comparison.

QA Wolf: Does this replace our QA team?

It replaces automation maintenance. Exploratory testing, release judgement and edge case design still need someone who uses the product.

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